• Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....3 -ICD 503, RMF, STIG, JAFAN, or JSIG information system environments + Candidates must have a current DOD… more
    Northrop Grumman (11/19/25)
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  • GCCS-J System Administrator

    Venatore LLC (Tampa, FL)
    Position Overview Venatore is seeking a Tier 1 GCCS-J Systems Administrator to support CENTCOM under CITS at MacDill AFB. This role provides daily operational ... system updates under senior oversight. Linux / UNIX Systems Support + Perform routine Linux/UNIX administration tasks required...GCCS-J experience + Linux or UNIX administration experience + 3 + years of system administration experience +… more
    Venatore LLC (11/26/25)
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  • Junior System Administrator

    TekSynap (Fort Belvoir, VA)
    …and computing environment certifications required. **Overview** We are seeking a Junior Systems Administrator to support our Prime Contract with the Defense ... Provide end-user support to resolve technical problems related to standalone operating systems and IT applications. + Perform system administration functions on… more
    TekSynap (12/05/25)
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  • Linux Systems Administrator

    CACI International (Hampton, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... routine system monitoring, performance tuning, and troubleshooting to ensure system reliability and performance. 3 . Maintain Puppet manifests and modules… more
    CACI International (11/15/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • Entry Level or Mid Level System

    Belay Technologies (Annapolis Junction, MD)
    …in 2020 and a finalist in 2 021! Belay Technologies is seeking a Mid-Level System Administrator (SA2) to join our intel team. FC has on-call support ... system + Five (5) years' experience administering Linux, Unix or Windows Operating System + Three ( 3 ) years' experience installing software packages such as… more
    Belay Technologies (10/10/25)
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  • Genetec System Administrator

    City of New York (New York, NY)
    …services including medical, dental, mental health care, and education. The Genetec Systems Administrator will be responsible for managing and maintaining Genetec ... administrators, facilities, and program areas to resolve Genetec system issues - Evaluate new security systems ...must have been as described in "1" above; or 3 . A masters degree in computer science or a… more
    City of New York (12/11/25)
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  • Systems Administrator

    CACI International (Fort Meade, MD)
    …availability of customer systems . We are looking for a dedicated Linux System Administrator to help us ensure information security readiness and maintain ... Systems Administrator Job Category: Information Technology...+ **TS/SCI with Polygraph** Proficient with Linux. Minimum of 3 years Linux system administration experience (within… more
    CACI International (12/11/25)
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  • L3 Systems Administrator

    Belcan (Cincinnati, OH)
    …high-level escalation items are completed. Tier 3 resources will ensure that system hardware, operating systems , software systems , and related procedures ... L3 Systems Administrator Job Number: 360924 Category:...a drug test.** JOB DUTIES: Subject Matter Expertise in system administration and support for Windows workstations/servers/OS, Linux workstations/servers/OS,… more
    Belcan (10/29/25)
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  • Systems Administrator

    Leidos (Eglin AFB, FL)
    …and advance rapidly in your career. We have an exceptional opportunity for a ** Systems Administrator ** to join our dynamic team at **Hurlburt Field, FL.** If ... to hear from you! **Why Join Leidos?** As a Systems Administrator at Leidos, you'll immerse yourself...clearance** + Bachelor's degree in a related field and ** 3 + years of experience** (or equivalent experience and certifications… more
    Leidos (12/03/25)
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