• Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA,...be able to maintain a security clearance at the Top Secret level with SCI eligibility and… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • MAC System Administrator…

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    … Clearance. + Non-remote (relocation incentive available) The MAC System Administrator will be responsible for maintaining macOS systems , managing updates, ... Services and Development. Link Solutions is seeking a MAC System Administrator (Senior-Level) to join our team...a US Citizen. + Must have an active DoD Top Secret Clearance. + Ten (10+) years… more
    Link Solutions Inc (01/15/26)
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  • 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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  • Network/ System Administrator…

    General Dynamics Information Technology (Colorado Springs, CO)
    …RQ209869 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... years of related experience **US Citizenship Required:** Yes **Job Description:** **Network/ System Administrator I** **COLORADO SPRINGS, COLORADO** **The primary… more
    General Dynamics Information Technology (11/04/25)
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  • Senior Information Systems…

    Concurrent Technologies Corporation (Huntsville, AL)
    Senior Information Systems Administrator Concurrent Technologies Corporation Huntsville, AL Minimum Clearance Required: Top Secret Clearance Clearance ... Level Must Be Able to Obtain: Top Secret Clearance CTC stays ahead of...powerful solutions. CTC is looking for talented Senior Information System Administrator with experience accrediting, maintaining, and… more
    Concurrent Technologies Corporation (10/19/25)
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  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …+ Linux+ certification (or equivalent) + Security+ certification (or equivalent) + Top Secret clearance **Security Clearance Requirement:** An active Top ... **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_** +… more
    Parsons Corporation (11/15/25)
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  • GCCS Systems Administrator I

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

    COLSA Corporation (Huntsville, AL)
    …of national security and high-performance computing, COLSA Corporation looking for a Linux Systems Administrator who thrives on complexity. You won't just be ... and fine-tuned SELinux policies. + Orchestrate at Scale: Drive system consistency and rapid deployment using Ansible for configuration...to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility +… more
    COLSA Corporation (01/16/26)
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  • Linux Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our NAVAIR ... Pax River. This position will require in person/on-site support. Please note an active Top Secret Clearance is required to be considered for this role.… more
    JHNA (11/25/25)
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  • Linux/Unix Systems Administrator

    BAE Systems (Kula, HI)
    **Job Description** BAE Systems is seeking a full-time System Administrator to join our team supporting the Ground-Based Electro-Optical Deep Space ... s discretion* **Required Education, Experience, & Skills** + Active Top Secret with SCI eligibility + Must...available based on position level and/or job specifics. **Linux/Unix Systems Administrator ** **119388BR** EEO Career Site Equal… more
    BAE Systems (12/13/25)
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