ManTechseeks a motivated, career and customer-orientedEnterprise IT Support Officer (EITSO) – Equipment and Telephony Installer to join our team inHerndon, VA. In this role, you support a Dedicated Support Team supporting the Voice Program Recap Office (VPRO) installing network equipment, telephones (VoIP, analog, ISDN), voice media gateways and associated service modules.Responsibilities include, but are not limited to:Performing high quality installations and troubleshooting a variety of telephones, running and terminating cables to voice switch equipment.Dressing cabling appropriately according to industry and Sponsor standards.Mounting voice and network equipment in racks, running and connecting both power and service cabling as appropriate.Performing surveys as necessary to collect or validate information for the engineering or VSIT personnel.Local travel will be required between customer buildings.Minimum Qualifications:BA/BS and 7+ years of experiences, or a combination of education and work experience equivalent to 11+ years.Minimum 10 years of experience with implementation of the following infrastructure networks:Sponsor's classified LAN infrastructure (including scripting, configuration, cutover and troubleshooting)Sponsor's unclassified LAN infrastructure (including scripting, configuration, cutover and troubleshooting).Minimum 10 years of experience installing and troubleshooting telephone instruments and media gateways on the Sponsors classified and unclassified networks.Experience in a variety of cabling areas including 110 type cross connections, RJ45 patch panels, wire wrap terminals, copper cable terminations, DSX Panel T-1 cabling, fiber terminations.Excellent knowledge of various cabling methodologies, industry standards, troubleshooting techniques, and reading/understanding cable run lists.Preferred Qualifications:Experience with implementation on the Sponsor's new unclassified network LAN infrastructure.Special non-commercial systems administrator experience (access management/file transfer)VoIP Telephone Installation experience.Related work experience in IT hardware and cabling installation.Clearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50 pounds or more, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTech seeks a motivated, career and customer-oriented Windows Cloud Systems Engineer to join our team in Herndon, VA The Windows Cloud Systems Engineer will be responsible for engineering, supporting, and troubleshooting various Windows and Microsoft technologies, as well as automating processes and managing Azure environments.Responsibilities include but are not limited to:Engineer, support, and troubleshoot Microsoft Azure Active Directory and Group Policy, Microsoft Defender, including reporting and patching, and Windows 10 (and higher) desktop operating systems, including developing new build and deployment methods for Windows workstations.Support and troubleshoot Windows Server 2019 technologies.Conduct and review Rapid 7 scans.Automate tasks and configuration items using PowerShell.Support and troubleshoot desktop applications, including Microsoft 365 products and classification management tools.Document all new system changes and ensure existing documentation is current, as well as monitor and administer the Azure Virtual Desktop environment.Provide support to Tier 1 and Tier 2 personnel on user issues, including application assistance, network troubleshooting, and other user-related tasks.Minimum Qualifications:Bachelor’s degree in computer science or related field with 6+ years of experience in the Information Technology fieldExperience with core Microsoft Windows platforms, services, and tools, including:Windows 10 (and up) Desktop Operating SystemsWindows 2019 (and up) Server Operating SystemsActive DirectoryGroup PolicyDNS, DHCPMicrosoft PowerShell scriptingStrong verbal communication and documentation skills.Excellent troubleshooting skills.Preferred Qualifications:Experience with Agile Methodology.Familiarity with Terraform.Experience with Visual Studio Code and Git.Knowledge of KQL/SQL Queries.Experience with DevOps practices.Certifications: Microsoft AZ-900 and MS-900.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under desks and in server closets.

ManTech seeks a motivated, career and customer-oriented Senior Windows Cloud Systems Engineer to join our team in Herndon, VA The Systems Engineer will provide troubleshooting and engineering support at the Tier 3 and Tier 4 levels for Windows 10 (and higher) desktop operating systems, including establishing new build and deployment methods for Windows workstations.Responsibilities include but are not limited to:Troubleshoot and support Microsoft Azure Active Directory and Group Policy, desktop applications, including M365 products and classification management tools, and Windows Server 2019 (and higher) technologies.Monitor and administer Azure Virtual Desktop (VDI) environments.Engineer, support, and troubleshoot Microsoft Defender, including utilization for reporting and patching.Support other Tier 3 and Tier 4 personnel with user issues, including application assistance, network troubleshooting, and other user assistance tasks as needed.Create and deliver briefings to customers at various levels.Create processes to automate tasks and configuration items using PowerShell.Conduct and review Rapid7 scans, updating the system and clearing vulnerabilities.Minimum Qualifications:Bachelor’s degree in computer science or related field with 11+ years of experience in the Information Technology fieldSignificant engineering experience supporting Windows platform environments, including:Windows 10 (and higher) desktop operating systems.Windows Server 2019 (and higher) operating systems.Active Directory.Group Policy.DNS, DHCP.Strong written and verbal communication skills.Robust troubleshooting and documentation skills.Preferred Qualifications:Experience with Microsoft M365 and Microsoft Azure.Working knowledge of Virtual Desktop Infrastructure (VDI).Familiarity with Azure DevOps, GIT Hub, PowerBI, and Visual Studio Code.Microsoft KQL knowledge.InTune Administration and Configuration expertise.Experience with Terraform and Agile Methodology with the ability to create/modify MS PowerShell scripts.Certifications: Microsoft Certifications, Microsoft AZ-900, and MS-900.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech seeks a motivated, career and customer-oriented SeniorWindows Cloud Systems Engineer to join our team in Herndon, VA. The Senior Windows Cloud Systems Engineer will be responsible for providing problem resolution, supporting existing infrastructure services, and integrating new capabilities within the scope of required skills.Responsibilities include but are not limited to:Provide troubleshooting and engineering support at the Tier 3 and Tier 4 levels for Windows 10 (and higher) desktop operating systems, including establishing new build and deployment methods for Windows workstations.Troubleshoot and support Windows Server 2019 (and higher) technologies, Azure Active Directory and Group Policy, and desktop applications, including M365 products and classification management tools.Monitor and administer Azure Virtual Desktop (VDI) environments.Engineer, support, and troubleshoot Microsoft Defender, including utilization for reporting and patching.Support other Tier 3 and Tier 4 personnel with user issues, including application assistance, network troubleshooting, and other user assistance tasks as needed.Create processes to automate tasks and configuration items using PowerShell.Conduct and review Rapid7 scans, updating the system and clearing vulnerabilities.Minimum Qualifications:Bachelor’s degree in computer science or related field with 11+ years of experience in the Information Technology fieldSignificant engineering experience supporting Windows platform environments, including:Windows 10 (and higher) desktop operating systems.Windows Server 2019 (and higher) operating systems.Active Directory.Group Policy.DNS, DHCP.Strong troubleshooting and documentation skills.Preferred Qualifications:Experience with Microsoft M365 and Microsoft Azure.Working knowledge of Virtual Desktop Infrastructure (VDI).Familiarity with Azure DevOps, GIT Hub, PowerBI, and Visual Studio Code.Microsoft KQL knowledge.InTune Administration and Configuration expertise.Experience with Terraform and Agile Methodology.Ability to create/modify MS PowerShell scripts.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development.Responsibilities include but are not limited to:Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the futureAnalyzing user needs and software requirements to determine feasibility of design within time and cost constraintsCollaborating with teammates, other service providers, vendors, and users to develop new program featuresDeveloping unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correctCorrecting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced. As well as, reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issuesParticipating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.Deploying code to development, test, and production environments using existing DevOps infrastructure/toolsMinimum Qualifications:High School Diploma/GED with 7+ years of experience in the Information Technology fieldStrong Java programming/development skills, with hands-on experienceExperience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably AngularExperience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPAExperience with Git branching and merging within a team to manage source codePreferred Qualifications:Strong ability to manage competing priorities and communication to multiple stakeholdersExperience with, or knowledge of, ElasticsearchExperience with, or knowledge of, best practices for developing secure web applicationsClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the time