Laurel, MD 20724 • (33.4 miles) • Full Time • 8/23/2025

Mantech seeks a motivated and career-oriented Windows Systems Administrator to join our team in Laurel, MD.You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organizationthe foundation of all Enterprise Information Technology (EIT) for MPO.Responsibilities include, but are not limited to:Support the implementation, troubleshooting, and maintenance of IT systemsProvide Tier 1 (Help Desk) and Tier 2/3 (Escalation) support for problem identification, diagnosis, and resolutionIdentify and resolve performance and capacity issues in Windows systems, and support hardware-related problem resolution and dispatchi

Annapolis Junction, MD 20701 • (35 miles) • Full Time • 8/23/2025

Mantech seeks a highly motivated and collaborative DevOps Engineer to join our team in Annapolis Junction, MDThis position will support the development, deployment, and sustainment of secure backend and infrastructure services in a mission-driven enterprise environment. You will be part of the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s foundational Enterprise Information Technology (EIT) platform, enabling enterprise-wide capabilities for a global user base.Responsibilities include, but are not limited to:Design, deploy, and maintain scalable and secure infrastructure in Kubernetes environments using GitOps workflows with Flux, Kudectl, and KustomizeIntegrate and manage service mesh technologies such as Istio for secure traffic flow and observabilitySupport

Hanover, MD 21076 • (39.9 miles) • Full Time • 9/13/2025

ManTech seeks a motivated, career- and customer-oriented Cloud Engineer to join our team in Hanover, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)the backbone platform for all enterprise users.Responsibilities include, but are not limited to:Manage and maintain server infrastructure in a hybrid environment (on-premises and AWS cloud).Administer and troubleshoot Linux (Amazon Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems.Configure and manage core services such as Active Directory, DNS, and Group Policy.Utilize automation and scripting tool

Hanover, MD 21076 • (39.9 miles) • Full Time • 9/9/2025

ManTech seeks a motivated, career- and customer-oriented SrCloud System Administrator to join our team in Hanover, MD.Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)the backbone platform for all enterprise users.Responsibilities include, but are not limited to:Provide administration and support for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems.Architect, deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premise server infrastructure.Develop, implement

Hanover, MD 21076 • (39.9 miles) • Full Time • 9/9/2025

ManTech seeks a motivated, career- and customer-oriented Cloud System Administrator to join our team in Hanover, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)the backbone platform for all enterprise users.Responsibilities include, but are not limited to:Provide administration and support for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems.Architect, deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premise server infrastructure.Develop, implement

Hanover, MD 21076 • (39.9 miles) • Full Time • 9/3/2025

MANTECH seeks a motivated, career and customer-orientedCNO System Administratorto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Develops and executes plans for new technologies to enhance security capabilities including, perimeter security protections, firewalls, proxies, load balancers, monitoring tools, and data analytics and analysis.Provide support for implementation, troubleshooting, and maintenance of IT systems.Provide Tier 1 problem identification, diagnosis, and resolution of problems.Provide day to day systems support including maintenance, monitoring, and problem resolution.Optimize system operations and resource utilization and perform system capacity analysis and planning.Minimum Qualifications:Bachelor’s Degree and 5+ years of system a

Hanover, MD 21076 • (39.9 miles) • Full Time • 9/8/2025

MANTECH is seeking a motivated, career and customer-oriented ExpertCNO Software Developer to join our team in Hanover, MD. As a valued member of our organization, you will play a pivotal role in developing advanced cyber capabilities while delivering exceptional service to our clients.Responsibilities include, but are not limited to:Design and develop new hardware or software based CNO capabilities.Manage the designing, developing, documenting, testing, and debugging of applications software and systems.Apply expert knowledge of security concepts and networks.Communicate status with leadership and customers.Ensure software standards are met.Minimum Qualifications:Bachelor's degree and 8+ years of relevant experience, OR 10+ years of relevant experience if no degree.Proficiency in Python an

Hanover, MD 21076 • (39.9 miles) • Full Time • 8/26/2025

ManTech seeks a motivated, career and customer-oriented Software Test Engineer to join our team in Hanover, MD.This team 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:Leading the development of Software Assurance Analysis methodologies, formulating, and validating testing scores, creating, and validating test cases that support Software Assurance (SwA) tool analysis.Provide technical expertise in the testing of client software and providing remediation recommendations with clients.Mentoring junior Software Assurance Evaluation Engineers providing advice, guidance, consultation and teaching state-of-the-art software assurance testing a

Hanover, MD 21076 • (39.9 miles) • Full Time • 8/23/2025

Mantech seeks a motivated, career and customer-oriented Cloud DevOps Engineer to join our team in Hanover, MD.In this role you will be working as a cloud Engineer utilizing cloud computing platforms and developing full stack web application interfacing with AWS services. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation.Responsibilities Included but are not limited to:Responsible for building new and improving existing CI/CD pipelines.Responsible for performing operations on end-user virtual machine provisioning/de-provisioning (VMWARE, and Amazon AWS platforms) supporting the automation of Active Directory security group manipulations.Will perform daily development using .Net framework with C#, Pyth

Hanover, MD 21076 • (39.9 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, career and customer-orientedLead CNO Software Engineerto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Coding and development with Python, Java and Groovy.Performing data analytics on logs, images, and other formats.Working with Databases and General Troubleshooting (tuning and optimization, deadlocks, keys, normalization) in any Relational Database Engines (MySQL, PostgreSQL, Oracle, SQL Server).Using streaming technologies (e.g. Kafka), including customization of data flows.Log analysis and General Troubleshooting (tuning and optimization, Search and Indexing Operations, mapping, monitoring).Working with Elastic Stack (Elastic, Logstash, Beats, Kibana, Fluent etc.) and Opensearch APIs.Perform system and subsystem definit

Hanover, MD 21076 • (39.9 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, career and customer-orientedCNO SoftwareEngineer to join our team in the Hanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Develop and code in Python, Java and XML, ensuring software standards are metPerform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a systemResearch requirements for a product, including CNO deployment environment, performance criteria, and competitive issuesDesign for new capabilities or recommendations for improvements to existing capabilitiesDetermining computer user needs; analyzes system capabilities to resolve problems on

Springfield, VA 22150 • (4.2 miles) • Full Time • 8/29/2025

MANTECH is seeking a motivated, career and customer-oriented Software Engineer to join our team in the Springfield, VA area.Responsibilities include, but are not limited to:Provide expert guidance on Enterprise Asset Management; Identify, recommend, and implement agreed upon leading industry practices, process methodologies, new technologies, and streamlined approaches that afford the client the ability to improve system performance.Provide support to maintain IBM's Maximo to ensure that all Maximo Users have a stable platform to perform daily operations; support reporting capabilities and requirements that streamline and reduce where possible, the manual input of existing data.Provide technical and business-level assistance, incident resolution, and daily support to the Maximo user commun

Alexandria, VA 22314 • (11.6 miles) • Full Time • 9/17/2025

MANTECH seeks a motivated, career and customer-oriented Data Drive UI Engineer to join our team in Alexandria, VA. As part of the position, you will act as a Software Engineer designing and implementing services and components for AI applications.Responsibilities include but are not limited to:Designs and builds User Interfaces using modern UX/UI standards.Develops, implements, and maintains full-stack software solutions for AI-enabled applications.Works closely with the Software Architect to understand project requirements and translate them into technical specifications.Develops and integrates AI and ML capabilities on a cloud-hosted data platform that supports significant market adoption, high performance, and strict access control and governance.Stays current with advancements in AI, m

Quantico, VA 22134 • (19.3 miles) • Full Time • 8/30/2025

ManTech seeks a motivated, career and customer-oriented Simulation Developer to join our team in Quantico, VAResponsibilities include but are not limited to:Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sourcesIntegrates simulations into larger system architectures and supports Naval Capabilities Integration Process (NCIP) efforts for interoperability testingCollaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracyImplements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platformsLeads and supports planning, coordination, and documentation activities for simulation projects, incl

Annapolis Junction, MD 20701 • (35 miles) • Full Time • 8/24/2025

MANTECH seeks a motivated, career and customer-oriented Senior Capability Developer to join our team in Annapolis Junction, Maryland.We're looking for a Senior Capability Developer to join our elite team. In this role, you'll apply your deep technical expertise to analyze, reverse-engineer, and develop mission-critical capabilities that directly support national security objectives. You will be a key player in a fast-paced environment, tackling unique challenges at the intersection of hardware, software, and embedded systems.Responsibilities include but are not limited to:Develop custom software tools and applications using Python, C, and Assembly, focusing on embedded and resource-constrained systems.Conduct rigorous code reviews to ensure the quality, security, and performance of develop