• Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Responsibilities** * Day to day Operations - Monitor, maintain, and support Windows/ Linux servers, virtualization platforms, and storage systems supporting TSS\.… more
    Lockheed Martin (12/18/25)
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  • Software Developer

    SAIC (Chantilly, VA)
    …Building software using OOP principles: preferred experience with Java and/or Python. + Linux systems administration and monitoring. + NoSQL databases, ... operation. This is achieved through the development of software systems . This position is located in Chantilly, VA and...is located in Chantilly, VA and requires an active TS /SCI clearance with Full Scope Polygraph (FSP). Job responsibilities… more
    SAIC (12/24/25)
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  • Mission IT Operator

    CACI International (Denver, CO)
    …for all site issues. This position requires broad knowledge of both Windows and Linux -based systems across a global environment. Shift Work (12 hours a day ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...work expected in support of 24x7 operations. - System administration experience to include UNIX, Linux , and… more
    CACI International (01/08/26)
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  • Site Reliability Engineer

    Nightwing (Sterling, VA)
    …Go, Java, or JavaScript) is essential for automating tasks and developing tools. + Linux /Unix Systems Administration : Strong knowledge of Linux /Unix ... and streamlining alerting workflows. + Leverage operational data to automate systems administration , operations and incident response processes to improve… more
    Nightwing (12/26/25)
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  • Systems Engineer

    Leidos (Hickam AFB, HI)
    …program managers and government stakeholders. + **Provide technical and administrative support** for system installation, configuration, testing, administration , ... and maintenance. + **Deliver operational and sustainment support** for C4I systems , including system administration , troubleshooting, and network repair. +… more
    Leidos (12/25/25)
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  • Enterprise Systems Administrator I

    Trace Systems Inc (Shaw AFB, SC)
    …configuation and maintenance of server operating systems (Windows Server/ Linux ). + Managing Active Directory, including user/group administration GPOs, ... + Other Duties as Required. Minimum Qualifications + Active, in-scope US Government issued Top Secret with SCI clearance eligibility. + Due to the nature of… more
    Trace Systems Inc (11/14/25)
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  • SkillBridge Fellowship | GEOINT Systems

    RTX Corporation (Beale AFB, CA)
    …operators, and end-users. **Qualifications You Must Have** + Experience: Experience in systems administration and software management within a complex technical ... occur. + Actively monitor, administer and troubleshoot complex GEOINT systems consisting of Linux , Windows, ESXi Docker,...+ Security Clearance: Ability to obtain and maintain a Top Secret /SCI. + Shift Work: Willingness and… more
    RTX Corporation (11/18/25)
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  • Senior Security Integration Engineer (Elastic…

    Amentum (Fort Carson, CO)
    …(eg, Visio, Lucidchart, Draw.io). + Must be proficient in Linux systems , command-line tools, and system administration fundamentals. + Must have experience ... Secret Security Clearance + Must be able to obtain an active DoD Top Secret Security Clearance **Desired Requirements:** + Be an Elastic Certified Engineer,… more
    Amentum (01/15/26)
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  • Cybersecurity Intern

    ManTech (Fairmont, WV)
    …incidents. + Systems and Network Administration : Learn and support the administration of Linux and Windows systems and network devices. + Security ... this role, our interns will protect critical networks and systems from cyber threats in collaboration with a dynamic...onsite in Fairmont, WV. Candidates must have an active Top Secret clearance or be a US… more
    ManTech (12/18/25)
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  • HPC Workload/Job Scheduler Administrator

    Leidos (Stennis Space Center, MS)
    …of experience will be accepted in lieu of a degree. + Must possess a Top Secret clearance + IAT Level II Certification Required. Accepted professional IAT Level ... + and Security+. + Red Hat Enterprise Linux (RHEL), CentOS, or Linux variants operating systems (OS) + Experience providing industry and government… more
    Leidos (01/07/26)
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