• Network Emulation Engineer

    CACI International (Chantilly, VA)
    …Emulation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Percentage of Travel Required : None Type of Travel: None * * *...server, and network security troubleshooting; supporting network communications, cabling, software , routing, and data backups; and** **Atlassian Confluence wiki-based… more
    CACI International (10/28/25)
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  • Splunk Engineer - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …notifications + Familiarity with DoD Risk Management Framework + Top Secret/SCI clearance with the ability to obtain a Counter-Intelligence polygraph + HS diploma ... competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project… more
    ENS Solutions (12/27/25)
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  • Hardware Reverse Engineer

    Parsons Corporation (Centreville, VA)
    …and documentation **Security Clearance Requirement:** An active Top Secret security clearance is required for this position.​ This position is part of ... develop tools and systems. Our teams design and code software components, units, and modules to meet product specifications...target systems + Performing vulnerability research on hardened systems ** Required Skills:** + Must have a **Top Secret or… more
    Parsons Corporation (01/08/26)
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  • Software Engineering - CTJ - TS

    Microsoft Corporation (Reston, VA)
    **Overview** We are seeking a ** Software Engineer II** who demonstrates independence and ownership, ready to tackle broader technical challenges for government ... with a special focus on government clouds. As a Software Engineer II, you will work autonomously...Background Investigation (SSBI) with Polygraph is preferred but not required . Software Engineering IC3 - The typical… more
    Microsoft Corporation (01/16/26)
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  • Space Reconnaissance Engineer /Technical…

    National Reconnaissance Office (NRO) (Chantilly, VA)
    …more at nro.gov. Basic Eligibility For A Position With The NRO + US Citizenship is required + You must be able to obtain and maintain a TS/SCI security clearance ... Systems Engineering (including operations research) + Mechanical Engineering + Software Engineering (including AGILE development) The work involves planning,… more
    National Reconnaissance Office (NRO) (11/17/25)
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  • Systems Engineer IV

    Battelle Memorial Institute (Stafford, VA)
    …dissemination of CBRN defense information. We are looking for a Senior Systems Engineer to perform the following activities in conjunction with this mission space. + ... experience in a related field. + Must have DoD Secret security clearance . **Location: Government site in Stafford, VA** **Preferred Qualifications** The individual… more
    Battelle Memorial Institute (01/16/26)
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  • RF Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a highly skilled and motivated RF Systems Engineer to serve as a critical member of our team supporting a dynamic government ... goals + Support systems assessments, design, and testing as required , ensuring effective integration with mission objectives + Build...experience + Must currently hold a TS/SCI and Poly clearance + A minimum of 12 years of relevant… more
    SAIC (01/15/26)
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  • Information System Security Engineer

    SAIC (Mclean, VA)
    **Description** SAIC is seeking an **Information System Security Engineer (ISSE)** to provide information security support. This position is in **McLean, VA** and ... requires an **active TS/SCI clearance with Polygraph** . This Customer's office is the...+ Produce and assist with production of technical artifacts required for A&A packages such as a System Security… more
    SAIC (01/14/26)
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  • Enterprise Monitoring Tool Engineer

    Leidos (Chantilly, VA)
    …operating procedures (SOPs), and user guides. **Standard Qualifications and Requirements:** + Required Clearance : TS/SCI with specific poly. + Candidate must ... Sector at Leidos has an opening for an an **Enterprise Monitoring Tool Engineer ** who will work with our customer's, project managers, internal task or functional… more
    Leidos (12/20/25)
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  • SIGINT Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an **SIGINT Systems Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, ... at the future generation of SIGINT capabilities spanning the next decade. **Qualifications** Required Education and Experience + Bachelors and five (5) years or more… more
    SAIC (11/21/25)
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