• Software Engineer TS/SCI

    CACI International (Sterling, VA)
    …within 2-months of hire (GSEC, Security+ CE, CASP+ CE, CISA, CISSP (or Associate ) + Experience developing within Linux environment + Experience with version ... complex workflows. + Your daily work will involve developing and maintaining Linux -based applications using Java and Python. + You'll design and implement software… more
    CACI International (12/09/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …+ BS Degree in a business, technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA). + CompTIA, the ... activities. + Experience in Microsoft Windows computer operating systems, LINUX operating systems, CISCO Systems, computer security program administration, and… more
    SimIS Inc. (11/06/25)
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  • Systems Administrator II Generalist Sr (Windows…

    V2X (Springfield, VA)
    …and capable of administering a combination of Microsoft Windows and Linux based platforms. + Secondary duties and responsibilities include working alongside ... services are hosted on Microsoft Windows Server platforms, but there are also Linux distributions as well. + The Senior Systems Administrator II shall support the… more
    V2X (11/15/25)
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  • Engineer, Data Center (Manassas, VA)

    LinkedIn (Manassas, VA)
    …break-fix repairs but also acts as a critical escalation point for Associate Hardware Engineers and contracted Data Center Technicians, ensuring strict adherence to ... LinkedIn's server fleet. + Act as the point of escalation for Associate Hardware Engineers and contracted technicians, taking ownership of complex hardware and… more
    LinkedIn (09/24/25)
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  • IDS / IPS Engineer - Active TS/SCI with CI Poly

    ENS Solutions (Reston, VA)
    …to join our cybersecurity team. The ideal candidate must possess strong Linux engineering expertise with experience managing YAML configuration files, and how these ... enterprise IT environment, primarily running on Red Hat Enterprise Linux . What You'll Work On: + Designing, deploying, and...with the ability to obtain a counter-intelligence polygraph. + Associate 's degree and 5+ years of experience supporting IT… more
    ENS Solutions (12/14/25)
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  • Aegis - ACNT-Aegis Weapon Systems Operations…

    Lockheed Martin (King George, VA)
    …Aegis ACNT or Computer/Display operational experience \- CompTIA Networking\+, CompTIA Linux \+, CompTIA Security\+, Certified Cisco Networking Associate , or ... comparable certification is a plus **Security Clearance Statement:** This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know** **Expression… more
    Lockheed Martin (10/15/25)
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  • Cloud Support Engineer

    ManTech (Vienna, VA)
    …and customer service. You will help troubleshoot complex issues across Linux and Kubernetes environments, collaborate with engineering teams, and ensure enterprise ... investigation and escalation + Independently resolving technical issues related to Linux and Kubernetes infrastructure with minimal supervision, escalating only when… more
    ManTech (12/13/25)
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  • Lead Systems Engineer - (Hybrid)

    CareFirst (Reston, VA)
    …which at least 5 years must be in Automation and Administration. + Previous Linux System administration is required. + Must be well versed in writing Terraform ... is acceptable. + Must be well versed in writing Linux Bash scripts. + Must Have Hands on current...indirectly on Federal health care programs. **PHYSICAL DEMANDS:** The associate is primarily seated while performing the duties of… more
    CareFirst (12/05/25)
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  • Suricata Engineer - Active TS/SCI with CI Poly

    ENS Solutions (Reston, VA)
    …Suricata within a complex enterprise IT environment, primarily running on Red Hat Enterprise Linux . A key focus of this role will be tuning Suricata to operate ... and operational issues specific to Suricata on Red Hat Enterprise Linux , addressing compatibility, kernel module requirements, SELinux policies, and performance… more
    ENS Solutions (11/26/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    …a Government customer. The ideal candidate will configure and maintain Linux -based servers, automate system processes, and ensure the reliability and security ... on delivering top-tier IT solutions. Responsibilities: + Configure and maintain Linux -based servers and supporting the development, testing, and production hosting… more
    CACI International (10/24/25)
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