• Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    Systems Administrator Location: Springfield, VA, US Job ID: ATR 17769 Job Description Job Title: Systems Administrator Location: Springfield, VA ... Eligibility: Candidate must possess an active TS /SCI clearance and be willing to obtain a CI...or ability to obtain within a defined period. - Top Secret /SCI clearance. Location: Customer Site US… more
    Arena Technical Resources, LLC (01/16/26)
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  • Modernization Cyber Systems…

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SA2: * A High School ... and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system software, troubleshoot,...such as RHEL, CentOS, Ubuntu, and Debian\. Knowledge of Linux systems processes, file systems ,… more
    Lockheed Martin (01/08/26)
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  • NAVAIR Senior Systems Administrator

    JHNA (Patuxent River, MD)
    … Admin to join our NAVAIR team in Patuxent River, MD. As a System Administrator supporting NAVAIR, you'll collaborate with talented professionals to create ... support at NAS Pax River. Please note an active Top Secret Clearance is required to be...area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system… more
    JHNA (01/06/26)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …immediate opening for those ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedicated engineers that pride ... and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility...and/or at least five (5) years of Windows and Linux systems administration experience. + Strong knowledge… more
    Paragon Cyber Solutions (01/09/26)
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  • IT Systems Engineer - Millennium Space…

    The Boeing Company (El Segundo, CA)
    …(eg Powershell, Python, Ansible) + Containerization experience (eg Docker, Kubernetes) + Linux Foundation Certified System Administrator + Microsoft ... engineering experience or minimum seven (7) in a senior system administrator role + This position requires...Government requires US Citizenship. An interim and/or final US Top Secret /SCI Clearance Post-Start is required. **Visa… more
    The Boeing Company (01/07/26)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced Senior ... (PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the...Must be able to obtain and maintain a DoD Top Secret clearance; Interim Secret … more
    SMX (12/04/25)
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  • Senior IT Systems Administrator…

    Empirical Systems Aerospace, Inc. (San Luis Obispo, CA)
    Senior IT Systems Administrator - Lead Position Summary The Senior IT Systems Administrator - Lead is responsible for overseeing the company's ... PowerShell scripting and process automation. + Working knowledge of Linux systems . + Proven ability to develop...permanent resident with an active or eligible security clearance ( Secret or Top Secret ). Language… more
    Empirical Systems Aerospace, Inc. (12/31/25)
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  • Senior Principal System…

    RTX Corporation (Tucson, AZ)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr....direct experience. + Active and transferable US government issued top secret security clearance is required prior… more
    RTX Corporation (01/15/26)
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  • Enterprise Systems Administrator I

    Trace Systems Inc (Shaw AFB, SC)
    Job Overview Job Title: Enterprise Systems Administrator I Location: Shaw AFB, SC This position is pending contract award. Job Responsibilities Trace Systems ... is actively recruiting for a, Enterprise Systems Administrator I to support the AFCENT Combined Air Operations...Required. Minimum Qualifications + Active, in-scope US Government issued Top Secret with SCI clearance eligibility. +… more
    Trace Systems Inc (11/14/25)
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  • System Administrator , High…

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** System Administrator , High Performance Computing (HPC) ... the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems ....basic to advance scripting experience. + An active DoD Top - Secret Clearance. + Advanced hands-on experience with… more
    RTX Corporation (10/24/25)
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