• Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump **Clearance Requirements:** + Must have a current/active TS / SCI with CI Polygraph **Physical Requirements:** + The person in this ... **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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  • Network Engineer

    Jacobs (Chantilly, VA)
    …to learn and work on Multiprotocol Label Switching (MPLS) Wide Area Networks (WANs). Requirements TS SCI CI Poly The candidate must have 16 years of experience ... a Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support...transition services with little to no impact on critical data flows. * Provide technical expertise to Operations engineers… more
    Jacobs (12/12/25)
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  • Sr System Engineer

    KBR (Chantilly, VA)
    …execute intelligence-gathering missions from overhead systems and process the resulting collected data into useful information distributed to IC and DoD users. ... Title: Sr System Engineer KBR is seeking a highly qualified Senior...collection systems and software acquisitions Minimum qualifications: + Active TS - SCI /w CI Polygraph + Bachelor's degree in… more
    KBR (12/09/25)
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  • F5 Network Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …Network Engineer Location: Springfield, VA Eligibility: Candidate must possess an active TS / SCI clearance and be willing to obtain a CI Poly Job Description: ... F5 Network Engineer Location: Springfield, VA, US Job ID: ATR...performance - Conduct routine and emergency maintenance of assigned data center equipment - Communicate/coordinate scheduled preventive maintenance windows… more
    Arena Technical Resources, LLC (11/29/25)
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  • Test Automation Engineer (Clearance…

    CACI International (Chantilly, VA)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... None * * * **The Opportunity:** The Test Automation Engineer will be responsible for testing automation of various...Identify potential testing or work product improvements * Provide data re-processing testing and validation metrics * Drive and… more
    CACI International (11/20/25)
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  • Senior Circuit Engineer

    Competitive Range Solutions, LLC (Arlington, VA)
    …technical control services' performance, reliability, and security. Qualifications/Experience: + Active TS / SCI Clearance + Minimum 5 years' experience in ... Solutions requires the expertise of a talented and experienced Senior Circuit Engineer to assist in directing and managing the program's executive support group.… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Model and Simulation Systems Engineer

    KBR (Chantilly, VA)
    …in an Agile development environment + Familiarity with IC and/or DoD Security Requirements: TS / SCI with Poly Ready to Make a Difference? Close with a strong ... Title: Model and Simulation Systems Engineer KBR seeks a highly motivated Systems ...in modeling and simulation + Experience analyzing and summarizing data with Microsoft Excel + Ability to generate and… more
    KBR (11/06/25)
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  • Senior SIGINT Systems Engineer

    Solvarus (Chantilly, VA)
    …and operations of small satellites and experiments. Qualifications: + Current and Active TS / SCI with CI Poly Security Clearance. + Bachelor's degree in Systems ... successful enterprise mission objectives. We are seeking a senior SIGINT systems engineer to provide Systems Engineering Technical Assistance (SETA) support to a… more
    Solvarus (11/02/25)
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  • Senior RF Communications Engineer

    KBR (Chantilly, VA)
    …Travel Requirements: Minimal + Working Hours: Standard Required Qualifications: + Active TS / SCI with current Polygraph + Bachelor's degree in Physics, Electrical ... Title: Senior RF Communications Engineer Belong. Connect. Grow. with KBR! KBR's National...+ Monitor enterprise and system test and review verification/validation data . + Monitor contractor level risks and track mitigation… more
    KBR (11/01/25)
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  • SIGINT Ground SPO Mission Processing/Acquisition…

    KBR (Chantilly, VA)
    …execute intelligence-gathering missions from overhead systems and process the resulting collected data into useful information distributed to IC and DoD users. ... Title: SIGINT Ground SPO Mission Processing/Acquisition Engineer KBR is seeking a highly qualified SIGINT...risks throughout the acquisition lifecycle Required Qualifications: + Active TS / SCI with CI Polygraph + BS in… more
    KBR (10/28/25)
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