• System Engineer Cisco PBX (VoSIP)

    TekSynap (Arlington, VA)
    …the voice infrastructure up to date with patches, upgrades, and security /compliance requirements. + Continuously monitor voice systems' performance, report on ... full operational capability. + Maintain and update all as-built design and O&M manuals for equipment, ensuring compliance with...a Secret clearance **Overview** We are seeking a System Engineer Cisco PBX (VoSIP) to join our team supporting… more
    TekSynap (01/06/26)
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  • Citrix Engineer

    System One (Vienna, VA)
    Job Title: Citrix Engineer Location: Vienna or Winchester, VA; Pensacola, FL; or San Diego, CA Hybrid: onsite 2-3 days a week Pay Rate: Open to Both W2 or 1099 ... of professional experience working in the US. Description: To research, evaluate, design , implement, and maintain system and product solutions, applying knowledge of… more
    System One (01/06/26)
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  • Junior Software Engineer - TS/SCI with Poly

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a motivated **Junior Software Engineer ** to join our team in developing and maintaining modern web applications using React.js. ... in lieu of degree. + US Citizen with an active TS/SCI with Poly security clearance + Basic proficiency in JavaScript (ES6+), HTML5, and CSS3. + Fundamental knowledge… more
    Leidos (01/01/26)
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  • Systems Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …activities at Chantilly, VA. At GDIT, people are our differentiator. As a Systems Engineer supporting the customer, you will be trusted to solve complex IT issues ... to work as part of a team to architect, design , and build a new system to replace an...independently and in a team environment ​DESIRED SKILLS: + ** Security clearance:** TS/SCI with Polygraph + **Desired Technologies/Tools:** +… more
    General Dynamics Information Technology (12/31/25)
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  • Hardware Reverse Engineer , Senior

    CACI International (Sterling, VA)
    Hardware Reverse Engineer , Senior Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... Opportunity:** Come be part of a unique team solving wide-ranging national security cyber and hardware challenges. Use your skills in interesting projects involving… more
    CACI International (12/29/25)
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  • Cryptologic Test Engineer

    KBR (Chantilly, VA)
    Title: Cryptologic Test Engineer Belong. Connect. Grow. with KBR! As a part of KBR's Intel group, you work on some of the toughest, most interesting problems. You ... be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. Key Responsibilities: + Troubleshoot:… more
    KBR (12/29/25)
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  • Systems Engineer (On-site)

    G2 Ops, Inc. (Dahlgren, VA)
    …Documents (ICDs) Years of Industry Experience: 5 + years of relevant experience Security Clearance Requirement: Must be able to obtain and maintain Active DoD Top ... launching the next phase: AI playbooks, secure tooling aligned with government security protocols, and real-time support for hands-on use across all departments. At… more
    G2 Ops, Inc. (12/21/25)
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  • Network Engineer (Intelligence Center)

    The MITRE Corporation (Chantilly, VA)
    …+ MITRE's Space Intelligence Systems is looking for a Principal Network Engineer role that will be supporting multiple classified infrastructures as well as ... + This role will require knowledge of implementing and maintaining NIST 800-53 Security Controls / RMF compliance in each environment along with additional … more
    The MITRE Corporation (12/20/25)
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  • Senior Network/Systems Tools Engineer

    Leidos (Chantilly, VA)
    …Modernization Sector at Leidos has an opening for an a Senior Network/Systems Tools Engineer to support the Intelligence Sector. **The job duties are as follows:** + ... System Architecture: Design , implement, and maintain the OpenText Network Operations Management...enterprise network management, performance monitoring, and compliance reporting. + Security & Compliance: Provide SME support and guidance to… more
    Leidos (12/20/25)
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  • Mechanical Engineer / Weapon Systems…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** Mechanical Engineer / Weapon Systems Modeler (DETO-2025-24351): Bowhead seeks new team members in their support to the Navy's Weapons Systems Munitions ... Weapon System effectiveness analyses. The position will interface with weapons design analysts, other subject matter experts, and technical personnel model targets… more
    UIC Government Services and the Bowhead Family of Companies (12/20/25)
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