• Principal Windows Systems Administrator

    RTX Corporation (El Segundo, CA)
    …problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams to support ... be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ or equivalent certification ) within 6 months… more
    RTX Corporation (11/18/25)
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  • Senior Network and Computer Systems…

    NANA Regional Corporation (Orlando, FL)
    ASE is looking for a Senior Network and Computer Systems Administrator to work in support of Naval Air Warfare Center Training Systems Division (NAWCTSD) in Orlando, ... + **Clearance:** Active Interim Secret clearance or above is required. + ** Certification :** COMPTIA Network+ or similar industry certification . + **Education:**… more
    NANA Regional Corporation (12/20/25)
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  • Intermediate Classified Systems…

    The MITRE Corporation (Bedford, MA)
    …MITRE's Classified Enterprise Infrastructure is looking for a Junior Systems Administrator . A successful candidate will be delivering timely, effective, and ... of an IAT Level II as a condition of employment and computing environment training/ certification . + Security+ Certification / 8570 Certification - IAT Level… more
    The MITRE Corporation (11/01/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …**US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for ... certifications. + Other duties may be assigned, directed, or requested. ** Certification Requirements:** + Must Possess the appropriate baseline certification (s)… more
    General Dynamics Information Technology (10/25/25)
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  • Network Administrator Senior

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a **Senior Network Administrator ** to manage secure network operations in support of the US Coast Guard. This hybrid role is ... experience)and 8 years of experience + Current DoD 8570 IAT Level II certification (eg, CompTIA Security+ CE, CySA+, CCNA Security, GSEC). + Expert-level experience… more
    GovCIO (12/24/25)
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  • Systems Administrator Technician _TS/SCI…

    General Dynamics Information Technology (Aurora, CO)
    …into opportunity. At GDIT, people are our differentiator. Our **Systems Administrator Technician** supports and manages the responsibilities of the successful ... as required. **WHAT YOU'LL NEED TO SUCCEED:** * Education: Technical Training, Certification (s) or Degree * Required Experience: + 1+ years of related experience… more
    General Dynamics Information Technology (12/24/25)
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  • Linux Systems Administrator 1/2

    Northrop Grumman (Rolling Meadows, IL)
    …they are making history. Northrop Grumman Enterprise Services is seeking a **Linux Systems Administrator .** This role can be performed by a level 1 or level 2 (entry ... able to obtain a DoD 8570 IAM Level 1 certification (CGRC, GSLC, or Security+ CE) within 6 months....able to obtain a DoD 8570 IAM Level 1 certification (CGRC, GSLC, or Security+ CE) within 6 months.… more
    Northrop Grumman (12/19/25)
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  • Network Administrator SME

    GovCIO (Kearneysville, WV)
    **Overview** GovCIO seeks a **Network Administrator ** **(SME)** to support our US Coast Guard program. This hybrid role is based in Kearneysville, WV, with ... experience) **Required Skills and Experience** + Current DoD 8570 IAT Level II certification (eg, Security+ CE, CCNA Security, SSCP) + Minimum5 years of experience… more
    GovCIO (12/19/25)
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  • System Administrator

    System One (Quantico, VA)
    System Administrator Quantico, VA - ONSITE Compensation: $125,000 annually Security Clearance: Active TS/SCI is required Major Duties & Responsibilities: * Plan, ... * Must be certified at IAT Level II (eg, Security+, or other certification satisfying DoD 8570 certification requirements). Microsoft certification a… more
    System One (12/18/25)
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  • Sr Principal Linux Systems Administrator

    Northrop Grumman (Boulder, CO)
    …not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels of ... a **Security+ CE** (or another DOD 8570 IAT level II certification ); maintaining the required certification will be a condition of continued employment + Must… more
    Northrop Grumman (12/12/25)
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