• Expert CNO Software Engineer

    ManTech (Hanover, MD)
    **MANTECH** seeks a highly experienced and mission-focused **Expert Software Engineer ** to join our CNO team in **Hanover, MD.** As an Expert Software Engineer ... design, development, documentation, testing, and debugging of applications software and systems + Apply expert knowledge of security concepts and network… more
    ManTech (01/01/26)
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  • Lead CNO Software Engineer

    ManTech (Hanover, MD)
    **MANTECH** seeks a highly experienced and mission-focused **Lead CNO Software Engineer ** to join our CNO team in **Hanover, MD.** As a Lead Software Engineer on ... design, development, documentation, testing, and debugging of applications software and systems + Apply expert knowledge of security concepts and network… more
    ManTech (10/21/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... us and make a difference in National Security!** **Job Summary:** As a Test Engineer on this program, you will have the opportunity to perform software development… more
    Leidos (10/31/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    …a degree. + 5-8+ years of hands-on experience administering and securing Linux systems in an enterprise environment. + Active TS /CI government security clearance ... at Leidos currently has an opening for a Security Engineer to work in our Lorton, VA office. This...(eg, FISMA, FedRAMP, PCI-DSS, HIPAA, SOX). + Familiarity with Windows server hardening and cross-platform vulnerability management. + Experience… more
    Leidos (12/11/25)
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  • Network Engineer

    Jacobs (Chantilly, VA)
    Knackworks, a Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support our government customer's global ... a modern service provider network architecture. The job duties of the Network Engineer (CAN/LAN) are as follows: * Interpret customer requirements and apply standard… more
    Jacobs (12/12/25)
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  • Architecture Network Engineer

    Leidos (Chantilly, VA)
    …Modernization Sector at Leidos** **has an opening for a** **Network** ** Engineer (Campus Area Network/Local Area Network (CAN/LAN))** to support global enterprise ... modern service provider network architecture. **The job duties of the Network Engineer (CAN/LAN) are as follows:** + Interpret customer requirements and apply… more
    Leidos (12/09/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …seeking a **Network Engineer 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (10/10/25)
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  • Cybersecurity Engineer

    SAIC (Washington, DC)
    **Description** SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and ... award, with an anticipated decision expected by fall 2025.** The Cybersecurity Engineer responsibilities include, but are not limited to: + Design, implement, and… more
    SAIC (12/06/25)
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  • Platform Engineer (Level 2)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    …security missions. Requirements:* Must have experience implementing, integrating, and maintaining systems within Citrix, Windows , UNIX, and Linux environments.* ... Kaizen Approach is currently seeking a Platform Engineer (Level 2) to support enterprise hosting environments and enhanced Virtual Desktop Infrastructure (eVDI) … more
    Kaizen Approach, Inc (11/07/25)
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  • Software Test Engineer

    KBR (Chantilly, VA)
    …and regression testing for existing applications + Strong experience using Unix or Windows + Experience using tracking systems for issues and problems such ... Title: Software Test Engineer Belong. Connect. Grow. with KBR! KBR's National...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (12/31/25)
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