• Network Firewall Engineer

    CACI International (Sterling, VA)
    …Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to ... The ideal candidate will work closely with the network security team to ensure the effective operation and ...experience + 10+ years of related work experience + TS /SCI with Poly + Exceptional organizational skills and attention… more
    CACI International (07/26/25)
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  • Principal Platform Engineer / Linux (Onsite)

    RTX Corporation (Springfield, VA)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI with Polygraph At Raytheon, the ... networking administration: LAN and firewalls (Cisco preferred) + Current TS /SCI / CI Poly issued security clearance...+ Current TS /SCI / CI Poly issued security clearance is required day 1. US citizenship is… more
    RTX Corporation (08/08/25)
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  • Principal Systems Engineer

    SAIC (Chantilly, VA)
    …designing, and developing infrastructure and infrastructure components that meet security needs. It also includes developing updated guidance for online ... This position is in **Chantilly** **, VA** and requires an **active TS /SCI clearance with Polygraph.** Job Responsibilities include, but are not limited to:… more
    SAIC (08/07/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    …education and training may be considered in lieu of degree. + **An active TS /SCI security clearance is required for this position.** + **Currently possess DoD ... is assisting CESO as they migrate to a high security cloud environment by providing network and communication services,...with DISA and DISA's support to mission partners + TS /SCI w/CI Poly Preferred + Integration of Network Management… more
    Leidos (07/18/25)
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  • DevOps Engineer, Sr.

    William C Brown Inc (Springfield, VA)
    …* US Citizenship Required Location Springfield Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Active TS / SCI Clearance ... services * Establish and Improve system monitoring while maintaining established security protocols within development, test, and production systems. * Architect,… more
    William C Brown Inc (06/03/25)
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  • High Speed Guard Engineer

    CACI International (Springfield, VA)
    …Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type ... of Travel: Continental US * * * **The Opportunity:** **Transport Cyber Security Services (TCS)** **is a premier, long-term contract with the** **National… more
    CACI International (06/02/25)
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  • Sensor Management and Administration Expert…

    RTX Corporation (Langley AFB, VA)
    …as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: TS /SCI Raytheon Company Managed by Collins Aerospace ... CCNA Security , CySA+, CAP, etc.) + Active and transferable TS /SCI US government issued security clearance is required prior to start date with the ability to… more
    RTX Corporation (05/28/25)
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  • Software Engineer Staff

    Lockheed Martin (Herndon, VA)
    …6 months offer letter\. The following is a list of acceptable certifications: Security \+ or CISSP/SSCP\. \- TS /SCI clearance is required\. **Desired Skills:** \- ... **Description:** Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see it as a… more
    Lockheed Martin (08/21/25)
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  • Close Access Vulnerability Analyst

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    …our warfighters? We're looking for a Close Access Vulnerability Analyst to help test security , provide training, and help to maintain the security critical US ... in accordance with government-provided guidelines + Knowledge of physical security and Operations Security ( OPSEC )...they relate to information assurance and force protection + TS / SCI clearance + HS diploma or GED… more
    BOOZ, ALLEN & HAMILTON, INC. (08/19/25)
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  • DCGS Field Engineer

    CACI International (Hampton, VA)
    …or equivalent required. + Personal Qualifications + Bachelor's Degree in Technical Field. + TS /SCI Security Clearance. + Experience (all required) + ≥10 yrs of ... Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: None Type of Travel:… more
    CACI International (08/09/25)
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