• Senior Network Engineer (Engineering Change…

    Competitive Range Solutions, LLC (Arlington, VA)
    …as Engineering Installation Plans (EIPs) and Circuit Installation Plans (CIPs). Qualifications/Experience: Active TS /SCI Clearance 2+ years as senior or lead ... Range Solutions requires the expertise of a talented and experienced Senior Network Engineer to assist in the direction and management of the program's executive… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Photonics Engineer

    SAIC (Chantilly, VA)
    …tools to model system performance and mission effectiveness. **Qualifications** + Must possess an active TS /SCI clearance with Polygraph. + BS or MS degree in ... from the SAIC headquarters, our Chantilly, VA team supports systems development, targeting & intelligence analysis, systems ...integration and more. This position is for a Photonics Engineer for a large contract supporting a cutting-edge and… more
    SAIC (11/14/25)
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  • Satellite Operations Engineer

    SAIC (Chantilly, VA)
    …meetings as required. **Qualifications** + Must be a US Citizen. + Must possess an active TS /SCI clearance with Polygraph. + BS or MS degree in Science, ... supporting a cutting-edge and innovative space program. The Satellite Operations Engineer provides Systems Engineering and Technical Advisory (SETA) services… more
    SAIC (11/14/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …such as Nmap, Nessus, and tcpdump **Clearance Requirements:** + Must have a current/ active TS /SCI with CI Polygraph **Physical Requirements:** + The person in ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Cloud Support Engineer Nights

    ManTech (Vienna, VA)
    …Google Workspace or Microsoft Office collaboration tools **Clearance Requirements:** + An active /current TS /SCI with Polygraph is required for this position. ... **MANTECH** seeks a skilled and mission-focused **Cloud Support Engineer (CSE)** to join our team in **Tysons, VA.** The Cloud Support Engineer will support… more
    ManTech (12/13/25)
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  • Prin. Software Engineer (Elastic)

    Nightwing (Sterling, VA)
    …Bash. + Using Elastic Search Cluster Monitoring Tools. **Required skills:** + US Citizenship + Active Secret (S) clearance. Must be able to obtain a TS /SCI ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (11/26/25)
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  • SIGINT Assessments & Data Analytics…

    KBR (Chantilly, VA)
    …10-20% within the United States + Working Hours: Standard Qualifications: Required: + Active /Current TS /SCI with Poly + Bachelor's degree in Math, Physics, ... Title: SIGINT Assessments & Data Analytics 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 (10/31/25)
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  • Senior Software Engineer

    Chenega Corporation (Arlington, VA)
    …IAT/IAM Level II or III certification (eg, CISSP, CAP, Security+, CISM) required + Active TS /SCI clearance with the ability to obtain CI Polygraph **Knowledge, ... **Req ID:** 38797 **Summary** **Senior Software Engineer ** **Arlington, VA** Are you ready to enhance...contribute to the design and development of scalable classified/unclassified systems and deliver high-quality software products. In this role,… more
    Chenega Corporation (01/06/26)
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  • Sr System Engineer

    KBR (Chantilly, VA)
    …government collection systems and software acquisitions Minimum qualifications: + Active TS -SCI/w CI Polygraph + Bachelor's degree in STEM-related ... Title: Sr System Engineer KBR is seeking a highly qualified Senior...enable them plan and execute intelligence-gathering missions from overhead systems and process the resulting collected data into useful… more
    KBR (12/09/25)
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  • Sr. Digital Engineer

    KBR (Chantilly, VA)
    Title: Sr. Digital Engineer KBR is seeking a Systems Engineer to support Model Based Systems Engineering (MBSE) efforts for government programs in ... working in an Agile development environment + Familiarity with DoD and/or IC Security clearance: Active TS is required Belong, Connect and Grow at KBRAt KBR, we… more
    KBR (12/02/25)
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