• Mission Modeling and Simulation Analyst…

    SAIC (Alexandria, VA)
    …effectively to both technical and non-technical stakeholders. **Qualifications** **Required Clearance :** + Active TS/SCI. + US citizenship. **Required Education:** + ... and simulation analyses / studies to assess performance, trade-offs, and impacts of systems or technology within defense or military areas. + 3 years using… more
    SAIC (08/22/25)
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  • Detection Engineer

    Nelnet (Richmond, VA)
    …servicer that's grown into a fiber internet pioneer, real estate investor, and software provider. But that's just the beginning. With 6,500 associates and growing, ... any applicant for this position must complete the United States Government security clearance . Effective June 1, 2018, ED has informed Nelnet that security … more
    Nelnet (09/26/25)
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  • Staff Software Tech Lead (Active TS/SCI…

    Northrop Grumman (Fairfax, VA)
    …of our mission! Northrop Grumman Space Systems (NGSP) is seeking an experienced ** Software Engineer ** to join our team in the Payload and Ground Systems ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (09/30/25)
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  • Electronics Engineer IV (A)

    SimIS Inc. (Virginia Beach, VA)
    …professional who will serve as the technical authority for electronic systems design, development, and integration, working with sophisticated test equipment ... selected candidate will lead the design and development of advanced electronic systems , including RF/microwave circuits, digital signal processing systems , and… more
    SimIS Inc. (09/11/25)
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  • Cyber Software Engineering Intern

    Lockheed Martin (Herndon, VA)
    …responsibility\. Your Mission is Ours\. Lockheed Martin Space is seeking a Summer 2026 Software Engineer Intern\. In this role, you will focusing on software ... least one of these skill areas: C, C\+\+, python, Reverse Engineering, Operating Systems , Software Design, Software Development and Implementation, … more
    Lockheed Martin (10/03/25)
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  • Linux Engineer (TS/SCI with Polygraph…

    General Dynamics Information Technology (Warrenton, VA)
    **Req ID:** RQ208194 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... infrastructure. Project infrastructure includes virtual and physical servers and software resources. **QUALIFICATIONS** + Bachelor's Degree in Computer Science, IT,… more
    General Dynamics Information Technology (10/03/25)
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  • Project Engineer (Future Openings)

    In-Q-Tel, Inc. (Mclean, VA)
    …deployment, maintenance, and support of a range of hardware and software technologies. These can include cloud infrastructure, AI/ML applications, geospatial ... analytic tools, data analytics platforms, large-scale data systems , multilingual translation tools, additive manufacturing tools, autonomous platforms, supply chain… more
    In-Q-Tel, Inc. (07/08/25)
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  • Network Engineer Team Manager

    SAIC (VA)
    …and Database Software . + Familiarity with one of the following systems is a plus: CANES, ADNS, CENTRIXS, ISNS/ORT, ONE-NET, SCI-Networks, SUB-LAN, VIXS, WRBS, ... requirements. + Assist Coordinators with managing credentialing and information systems accounts necessary for SMEs to perform their duties....a US Citizen. + Must have an Active Secret Clearance to start. + Minimum of 4 years of… more
    SAIC (10/01/25)
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  • Software Developer C++ TS/SCI/ Poly

    Parsons Corporation (Centreville, VA)
    …right now. We've got what you're looking for. **Job Description:** Are you a ** software engineer ** looking to improve and enhance mission-critical software ... software capabilities, and identify improvements to existing software systems . **What You'll Be Doing:** +...protocols, and tools such as Wireshark + **Top Secret Clearance with Poly** **What Desired Skills You'll Bring:** +… more
    Parsons Corporation (08/08/25)
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  • Mid-Level Software Developer

    Koniag Government Services (Winchester, VA)
    Arlluk Technology Solutions, LLC a Koniag Government Services company **,** is seeking a Mid Software Engineer with a Top-Secret clearance to support ATS and ... with Public Law 88-352_** **Job Details** **Job Family** ** Software and Systems Development** **Job Function** ** Software Engineer ** **Pay Type**… more
    Koniag Government Services (09/30/25)
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