Description Leidos has a career opportunity for a Night Shift Linux System Administrator in the Ft. Meade area, MD.An active TS/SCI with Polygraph is required to be considered for this role. Program SummaryLeidos is a preferred subcontractor on a large, multi-year contract that develops, integrates deploys, and sustains large collection systems.Significant requirements include Mission Management, Operations, and Sustainment activities. The team will provide 24x7x365 support to multiple Operations Teams and will feature 1st/2nd/3rd Party Partner Engagement.Job SummaryThe team supports a vital collection mission, providing 24x7 support monitoring, troubleshooting, and managing the health and status of mission systems. Team members must have Linux administration, basic networking knowledge, excellent customer service experience, SSH familiarity, event logging documentation experience, and accurate execution of scripts. Opening is for a NIGHT SHIFT position.Required QualificationsActive TS/SCI with PolygraphBS in a technical discipline and 5+ years of Linux Systems Administration experience OR 10+ years of Linux Systems Administration experience without a degree on a technical field CWIP Certification Compliance with IAT Level I is required. (i.e. security+)KQWCONMDOriginal Posting Date:2024-09-03While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $68,900.00 - $124,550.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented Software Assurance Evaluation Engineer to join our team in Hanover, MD. The position is part of a team that provides software development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Responsible for working with a team to analyze source code using automated Software Assurance (SwA) tools.Contributes to developing testing methodologies, formulates testing scores and creates test cases that support SwA tool analysis.Supports testing of client software and interfaces with clients to define recommended remediation.Creates reports and documentation.Using and tuning source code analysis tools, evaluating the strengths and weaknesses and determining the suitability for a given software/customer environment.Designing and testing source code SwA analysis processes.Interpreting, prioritizing and using source code SwA tools results to remediate potential vulnerabilities in software.Experience in programming in Python or other scripting languagePerforming statistical analysis and reporting on multiple variables in a SwA environment.Written communication skills in writing technical reports.Surveying industry to identify new source code SwA tools and methodologies.Professional teaching and demonstrated experience creating or presenting technical briefingsMinimum Qualifications:Bachelor’s Degree in software engineering, computer science or electrical engineering and 12 years’ experience in systems security engineering, software vulnerability assessment. Or (8 with a Master’s Degree in software engineering, computer science or electrical engineering)Five (5) years of experience using and tuning source code analysis tools, evaluating the strengths their strengths on weaknesses.Three (3) years of experience designing and testing SwA Analysis Processes.Three (3) years of experience interpreting, prioritizing, and using source code SwA Tools results to remediate potential vulnerabilities in software.Three (3) years of experience in Python programming (or some other scripting language)Five (5) years of experience preparing and presenting briefings and written reports on software assurance issues.Two (2) years of experience performing statistical analysis.Minimum of five (5) years of experience programming in Java, C, C++, or C#.Preferred Qualifications:Experience with some or all the below technologies:KlockworkCodePeerFortran-LintCodeSonarSecurity FortifyIDA ProMATLABSecurity Clearance Requirements:Current/active TS/SCI w/ PolygraphFor all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureWe are looking for a skilled AWS Developer working in a Kubernetes environment to join our dynamic team. In this role, you will be responsible for designing, building, and maintaining next-generation cloud-based systems using Kubernetes. You will work closely with our development team to ensure system consistency and improve user experience. You will also be responsible for integrating new system features, improving functionality, and providing technical support.ManTech is currently looking forCloudSoftware Engineers to join our teamin theFt. Meade, MD area. In this role, you will develop, maintain, and enhance complex and diverse Big-Data cloud systems based upon documented requirements.requirements.Responsibilities include, but are not limited to:Perform requirements analysis, software development, installation, integration, evaluation, testing, and problem diagnosis/resolutionModify software and algorithms designed for traditional environments to operate in cloud environmentsProvide support to platforms and services based on Amazon Web Services (AWS) or other commercial cloud hosting environmentsProvide support to platforms and services running in Kubernetes Orchestration PlatformSupport the transition of operational systems and applications from traditional platforms to containerized/serverless environmentsMaintain and integrate software into Continuous Integration / Continuous Deployment (CI/CD) pipelines.Support operational systems utilizing Kubernetes Orchestration PlatformMinimum Qualifications:Bachelor's Degree from an accredited college or university in Computer Science or related discipline from an accredited college or university is required Or 4 additional years may be substituted in lieu of a degree.7 years of software engineering experience on projects with similar software processesPerform requirements analysis, software development, installation, integration, evaluation, testing, and problem diagnosis/resolutionModify software and algorithms designed for traditional environments to operate in cloud environments.Must have experience or knowledge with Kubernetes.Certification requirements:One or more of the following or must be able to obtain one:AWS Certified Solutions Architect AssociateAWS Certified SysOps AdministratorAWS Certified Solutions Architect ProfessionalAWS Certified DevOps Engineer ProfessionalCertified Kubernetes Application DeveloperCertified Kubernetes Administrator Clearance Requirements:Must have current/active TS/SCI w PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.7.1.LB.INCA.SW23For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented Software Engineer - Tester to join our team in Hanover, MD. The position is part of a team that provides systems engineering in the Hanover/Linthicum location and will be part of a team that provides Cybersecurity Analysis and Cryptographic Engineering technical expertise.Responsibilities include, but are not limited to:The Software Engineer (Tester) is responsible for developing, maintaining, testing, and enhancing complex and diverse software systems based upon documented requirements working individually or as part of a team.Reviewing and testing software components for adherence to the design requirements and documenting test results.Resolving software problem reports utilizes software development and software design methodologies appropriate to the development environment.Providing specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-The-Shelf (COTS)/Government Off-The-Shelf (GOTS) in place of new development, andrequirements analysis and synthesis from system level.Analyze user requirements to derive software design and performance requirementsDevelop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areasConfer with system engineers and hardware engineers to derive software requirements and to obtain information on project· limitations and capabilities, performance requirements and interfacesProvide recommendations for improving documentation and software development process standardsAssist with developing and executing test procedures for software componentsIntegrate existing software into new or modified systems or operating environmentsDevelop simple data queries for existing or proposed databases or data repositoriesDesign or implement complex database or data repository interfaces/queriesDevelop or implement algorithms to meet or exceed system performance and functional standardsDesign, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of designImplement recommendations for improving documentation and software development process standardsOversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular projectCoordinate software system installation and monitor equipment functioning to ensure operational specifications are met Analyze user requirements to derive software design and performance requirementsDevelop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areasBasic Qualifications:Bachelor’s degree in Computer Science or related discipline from an accredited college or university and fourteen (14) years experience.In lieu of a degree, four (4) years of additional experience on projects with similar scope may be substituted.Security Clearance Requirements:Current and active TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented Database Administrator to join our team in the Annapolis Junction, Maryland. This position is part of a team that provides engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh, reengineer, and secure the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure.Basic Qualifications:Bachelor’s degree and 5 years of experience or in lieu of degree, 9 years of relevant experienceExperience in maintaining the integrity, security and availability of database(s)Experience in administering, maintaining, and implementing policies and procedures for ensuring the security and integrity of the databaseExperience organizing and formatting data for efficient query and storage processes.Experience establishing and maintaining database user accountsExperience performing disaster recovery, performance analysis and tuning, index maintenance, and monitoring of dataExperience in the development of policies and procedures for ensuring the security and integrity of the database(s)Experience evaluating requirements and recommends available DBMS productsExperience performing database and software life-cycle activities ensuring highest level of system performance and availabilityExperience providing server administration with a variety of database products which could include Oracle, SQL Server, Postgres, and SYBASEPreferred Qualifications:Experience with Oracle, Postgres, or SYBASESecurity Clearance Requirements:Current and active TS/SCI with polygraph based upon a SSBIFor all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented System Administrator 2 to join our team in the Columbia and Hanover, MD area.The ideal candidate for the System Administrator 2 position will fit the following:Provide support for implementation, troubleshooting and maintenance of IT systemsProvide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problemsManage the daily activities of configuration and operation of IT systemsProvide assistance to users in accessing and using IT systemsProvide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problemsProvide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.Provide support for the escalation and communication of status to agency management and internal customersOptimize system operations and resource utilization, and perform system capacity analysis and planningProvide in-depth experience in trouble-shooting IT systemsProvide detailed analysis and feedback to agency management and internal customers for escalated ticketsProvide support for the dispatch system and hardware problems and remains involved in the resolution processConfigure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performanceMinimum Requirements:Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.Bachelor’s degree in a technical discipline from an accredited college or university is required.Five (5) years of additional SA experience may be substituted for a bachelor’s degree.Preferred Qualifications:Meet IAT Level II – ex. Security+ (Sec+) OR be able to secure Sec+ certification or higher.Basic router and switch and switch configuration knowledge, necessary for configuration and/or system hardening and compliance scanning requirement.Elastic (ELK) Stack configuration and user experienceSecurity Clearance Requirements:Current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of timeConstantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerAbility for clear communication with co-workers, management and customers, which may involve delivering presentationsFor all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated Senior Systems Administrator to join our team in Annapolis Junction, MD.Responsibilities include, but are not limited to:Providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.Management of IT system infrastructure and any processes related to those systemsProviding support to IT systems including day-to-day operations, monitoring, and problem resolution for client/server/storage/network devicesProviding problem identification, diagnosis, and resolution of problems.Implementing operating systems enhancements improving reliability and performance.Providing detailed analysis and feedback to customers.Basic Qualifications:Bachelor’s Degree in a technical discipline from an accredited college or university is required OR 5 years of additional Systems Administration experience may be substituted for a bachelor’s degree.Must have 15 years’ experience as a Systems Administrator or related experience in programs and contracts for similar scope, type and complexity is required.Preferred Qualifications:At least (7) years’ experience deploying Microsoft Windows-based servers, including Active Directory and email OR at Least two (2) years’ experience deploying Microsoft Windows-based servers, including Active Directory and email with Microsoft Certified Systems Engineer (MCSE) certificationAt Least seven (7) years’ experience deploying Linux-based and Solaris-Based ServersAt Least five (5) years’ experience PC hardware troubleshootingShall have demonstrated experience in maintaining lab system infrastructure, including desktop workstations, the lab computer network, server computers, backup systems, power and cooling systems, IT asset management systems, printers, scanner and other peripherals.Security Requirements:An active TS/SCI with polygraph clearance is requiredPhysical Requirements:Must be able to remain in a stationary position 50%Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentationsWorking with DataMove about freely in a laboratory settingRepetitive MotionsFor all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented SeniorSystem Administrator to join our team in theFort Meade, MD. This position is part of a team that provides engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh, reengineer, and secure the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure.Responsibilities include, but are not limited to:Providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.Management of IT system infrastructure and any processes related to those systemsProviding support to IT systems including day-to-day operations, monitoring, and problem resolution for client/server/storage/network devicesProviding problem identification, diagnosis, and resolution of problems.Configuration and management of Windows operating systems and installing/loading operating system softwareAdministering and securing network switching and routing devicesManaging and maintaining network security through the use of access controls and path managementBasic Qualifications:Bachelor’s degree in a technical discipline and 10 years of experienceOR in lieu of degree, 15 years of related experience.Preferred Qualifications:Experience with:Windows Operating System (Server & Desktop)Exchange / Active DirectoryBasic network administration (Cisco routers/switches)Atlassian tool suite (e.g., JIRA, Confluence)Working within a software development environmentAgile methodologySecurity Clearance Requirements:Currently hold an active TS/SCI with polygraphFor all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented System Administrator to join our team in the Columbia and Hanover, MD area.Responsibilities include but not limited to:Linux sys admin functions (including OS loading, patching, LDAP, DNS, DHCP, Samba, SSH, VNC, user/group management, etc.)Setting up Linux servers and be able to share data between them and other computers often times Windows-based)Assessing system vulnerabilities (SecScan, Nessus, etc.), hardening systems (manually and applying hardening scripts) and performing system/application-level regression testingImplementing and administrating virus scanning applicationsShell scripting (Bash, other) to help make system administration, troubleshooting and automation tasks more efficientWindows sys admin functions (including OS loading, patching, Active Directory, Remote Desktop, virus scanning applications, Policy changes/implementation, etc.)Setting up Windows servers (Server 2019, Server 2022, etc.) and clients (e.g., Win7, Win8, Win10, Win11) and ensure data can be shared between them and Linux serversAssessing system vulnerabilities (DirtScan, dirty word searches, Nessus, etc.), hardening systems (manually and applying hardening scripts), and performing system/application-level regression testingBasic Qualifications:Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.Preferred Qualifications:Meet IAT Level II – ex. Security+ (Sec+) OR be able to secure Sec+ certification or higher.Basic understanding of the Risk Management Framework (RMF) requirements and processesBasic router and switch and switch configuration knowledge, necessary for configuration and/or system hardening and compliance scanning requirement.Elastic (ELK) Stack configuration and user experienceExperience using Power shell scripting experience to help make system administration, troubleshooting and automation tasks more efficientExperience installing, integrating, and troubleshooting GOTS/COTS Software/Applications on Windows and Linux servers (e.g., ability to take provided applications, install, and troubleshoot installation/running on the server)Security Clearance Requirements:Current and active TS/SCI with PolygraphFor all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureJoin a new and exciting opportunity to protect national security and provide premier mission focused IT services for a dynamic and growing program. Currently, ManTech is seeking a motivated, career and customer-oriented Linux System Administrator to join our team near Ft. Meade, MD or San Antonio, TX.In this role, you will provide support for implementation, troubleshooting and maintenance of IT systems and manage IT system infrastructure as well as any processes related to problem identification, diagnosis and resolution of problems.Responsibilities include, but are not limited to:Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.Provide support for the escalation and communication of status to agency management and internal customers.Optimize system operations and resource utilization, and perform system capacity analysis and planningAnalyze and resolve complex problems associated with server hardware, applications, and software integration. Configure and manage UNIX and Windows operating systems and installs/loads operating systems software, troubleshoot , maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.Basic Qualifications:Bachelor’s degree in a technical discipline from an accredited college or university. Five (5) years of additional related experience may be substituted for a degree.5-15 years' of related experience.LINUX experience.IAT Level II certification.Preferred Qualifications:Knowledge of Linux and modern automation/configuration tools.RedHat certification.Knowledge of technologies including, but not limited to:KubernetesDockerAWS(C2S)PostGresSolarisVMWareSecurity Clearance Requirements:Current/Active TS/SCI with PolygraphPhysical Requirements:Sedentary work, speaking, standing, talking, walking, working with computers, working with data, working with numbers and figures, ability to handle stress & work under pressure, ability to use MS Office and a PC, analytical or critical thinking skills, leadership and listening skills, multi-tasking, ability, negotiating skills, oral & written communication skills, presentation skills, project management ability and skills, computer operating skills, and team building skills6.26.BP.SH.AB.AL.23For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse teams that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. It is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT. Currently, ManTech is seeking a motivated, career and customer-oriented System Administrator to join our team in Laurel, Maryland.Responsibilities:Ability to analyze user’s requirements and high-level system architectures to develop system requirements.Provide Tier 1 (Help Deck) problem identification, diagnosis, and resolution of problems.Provide support for implementation, troubleshooting and maintenance of IT systems.Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all the client/server/network devices.Provide support for the patching systems and hardware problems and remains involved in the resolution process.Configure systems to meet the organization operational needs.Create and maintain detailed system documentation, including configurations, procedures, and change management logs.Work with team members to build applications for customers.Provide support and troubleshooting services for customers.Monitoring systems for potential security threats or usability concerns.Write scripts to automate tasks.Ability to upgrade systems with new releases and models.Oversee the development and deployment of windows software and hardware systems.Minimum Qualifications:Shall have a minimum of fifteen (15) years’ experience as a SA in programs and contracts of similar scope, type, and complexity is required.A bachelor’s degree from an accredited college or university in technical discipline is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.Experience with Windows scripting installing software and hardware.Must be able to work at late during patching days and cover a 6am-6pm shift.Preferred Qualifications: Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)Clearance Requirements: Must have a current/active TS/SCI with PolygraphMust be a US CitizenPhysical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk. The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.6.26.BP.SH.AB.AL.23For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureThe Summary: Become an integral part of a diverse teams that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. It is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT. Currently, ManTech is seeking a motivated, career and customer-oriented Linux System Engineer to join our team in Laurel, Maryland.Responsibilities include but are not limited to:Overseeing the development and deployment of Linux software and hardware systemsConfiguring systems to meet the organization operational needs.Creating and maintaining detailed system documentation, including configurations, procedures, and change management logs.Working with team members to build applications for customers.Provide support and troubleshooting services for customers.Must write scripts to automate tasks.Must be able to create accounts.Must be able to work at late during patching days, and cover a 6am-6pm shift.Minimum Qualifications: OR Required Qualifications (5 to 7 bullets)Required - TS/SCI with full scope polygraph.Shall have a minimum of fifteen (20) years’ experience as a SE in programs and contracts of similar scope, type, and complexity is required.A bachelor’s degree from an accredited college or university in technical discipline is required. (Possibly Waived)Experience with LINUX scripting installing software and hardware.Preferred Qualifications: Ability to analyze user’s requirements and high-level system architectures to develop system requirements.Support the planning and test analysis of the DoD Certification/Accreditation Process.Provide technical direction for the development, engineering, interfacing, integration, and testing of hardware/software systems.Configure and manage LINUX operating systems and installs/loads operating systems software, troubleshoot maintain integrity of and configure network components, along with working all SNOW tickets assigned.Clearance Requirements: Must have a current/active TS/SCI w/Full Scope Polygraph)Must be a US CitizenPhysical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk. The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureJoin a new and exciting opportunity to protect national security and provide premier mission focused IT services for a dynamic and growing program. Currently, ManTech is seeking a motivated, career and customer-oriented System Administrator to join our team in Laurel, MD. In this role, you will provide support for implementation, troubleshooting and maintenance of IT systems and manage IT system infrastructure and any processes related to these systems.Responsibilities include, but are not limited to:Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems.Manage the daily activities of configuration and operation of IT systems.Provide assistance to users in accessing and using IT systems.Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.Provide support for the escalation and communication of status to agency management and internal customers.Optimize system operations and resource utilization, and perform system capacity analysis and planningAnalyze and resolve complex problems associated with server hardware, applications, and software integration. Configure and manage UNIX and Windows operating systems and installs/loads operating systems software, troubleshoot , maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.Basic Qualifications:Bachelor’s degree in a technical discipline from an accredited college or university. Five (5) years of additional related experience may be substituted for a degree.15 years' of related experience.LINUX experience.Kubernetes experience.IAT Level I certification.Security Clearance Requirements:Current/Active TS/SCI with PolygraphPhysical Requirements:Sedentary work, speaking, standing, talking, walking, working with computers, working with data, working with numbers and figures, ability to handle stress & work under pressure, ability to use MS Office and a PC, analytical or critical thinking skills, leadership and listening skills, multi-tasking, ability, negotiating skills, oral & written communication skills, presentation skills, project management ability and skills, computer operating skills, and team building skills6.26.BP.SH.AB.AL.23For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Secure our Nation, Ignite your FutureCurrently, ManTech is seeking a motivated, career and customer-oriented Linux System Administrator to join our team in the Hanover, Maryland location.Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Also, become an integral part of a diverse teams that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. It is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.The Linux System Administrator needs skilled resources from industry to provide the following: Configure and manage Linux and Solaris operating systems and installs/loads operating systems software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.Responsibilities include but are not limited to:Design, deploy and administer virtualized platforms, using VMWare. Build, install and configure infrastructure related software. The ability to troubleshoot higher-level problems and resolve complex technical issues where documentation is either lacking or non-existent.Minimum Qualifications: Minimum of fifteen (15) years’ experience as a SA in programs and contracts of similar scope, type, and complexity is required.A Bachelor’s degree from an accredited college or university in technical discipline is required or relevant experience may be considered.Analyze and resolve complex problems associated with server hardware, applications, and software integration.Preferred Qualifications: Associates degree with fifteen (15) years of relevant experience or bachelor’s degree with twelve (12) years of relevant experienceExperience in implementing solutions with PKI-controlled access is desired.Understanding networking components is desired.Clearance Requirements: • TS/SCI with polygraphPhysical Requirements: • Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data, ability to handle stress & work under pressure, ability to use MS Office, ability to use a PC, analytical or critical thinking skills, interpersonal & people skills, leadership skills, listening skills, multi-tasking ability, oral & written communication skills, organizational skills.6.26.BP.SH.AB.AL.23 For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.