Hanover, MD 21076 • (41.6 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 • (41.6 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 • (41.6 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 • (41.6 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 • (41.6 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 • (41.6 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, mission-focused Software Test Engineer to join our team in Hanover, MD. As part of a dynamic team, you will support software development initiatives for a mission-critical organization within the Intelligence Community, focused on secure and reliable data dissemination.Responsibilities include, but are not limited to:Analyze source code using automated Software Assurance (SwA) tools and collaborate with team members on assessment results.Develop and execute test methodologies, scoring criteria, and test cases to support SwA tool analysis.Perform software testing and interface with clients to recommend effective remediation strategies.Create technical documentation and comprehensive test reports.Utilize, fine-tune, and evaluate the suitability of SwA tools for spe

Hanover, MD 21076 • (41.6 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 • (41.6 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

Annapolis Junction, MD 20701 • (39.4 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