• Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …Inc. is an innovative information technology solution Veteran Owned Small Business (VOSB) that models future environments, requirements, and capabilities, and then ... as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the...(M) Combat System Simulations Branch (M33), Naval Surface Warfare Center (NSWCDD), at Dahlgren, VA. The candidate will establish… more
    SimIS Inc. (11/06/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …general maintenance, upgrades, and new installation of servers and coordinate with data center personnel to execute. Document and generate business processes for ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... systems + Provide Tier I (Help Desk) and Tier II (Escalation) problem identification, diagnosis and resolution of problems...At CACI, we place character and innovation at the center of everything we do. As a valued team… more
    CACI International (11/20/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... scan results from ACA]. + Remediate CAT I/ CAT II / CAT III findings associated with scans of network...At CACI, we place character and innovation at the center of everything we do. As a valued team… more
    CACI International (11/07/25)
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  • Unified Communications Administrator

    CACI International (Honolulu, HI)
    Unified Communications Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... with the ability to obtain a poly + IAT II certification (mandatory) _Desired:_ + Network + ITIL Foundations...At CACI, we place character and innovation at the center of everything we do. As a valued team… more
    CACI International (10/31/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …vendor equipment, including firmware version control and preventive maintenance in data center environments. + Recommend and implement new technologies to expand and ... **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation using PowerShell. +… more
    TekSynap (10/25/25)
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  • Tier 3 Unified Communications Administrator

    CACI International (Washington, DC)
    Tier 3 Unified Communications Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... ability to obtain a Polygraph. + Current IAT level II certification (ex: Security+) + 10+ Years of relevant...At CACI, we place character and innovation at the center of everything we do. As a valued team… more
    CACI International (10/25/25)
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  • Human Resources Administrator

    Mass Markets (Savannah, GA)
    …exceptional experiences and drive optimal performance. MCI assists companies with business process outsourcing, staff augmentation, contact center customer ... POSITION OVERVIEW MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong...services companies in the USA, with a strong call center footprint and operations that extend across multiple countries.… more
    Mass Markets (10/09/25)
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  • Human Resources Administrator

    Mass Markets (Las Cruces, NM)
    …exceptional experiences and drive optimal performance. MCI assists companies with business process outsourcing, staff augmentation, contact center customer ... POSITION OVERVIEW MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong...services companies in the USA, with a strong call center footprint and operations that extend across multiple countries.… more
    Mass Markets (10/09/25)
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  • Systems Administrator

    General Dynamics Information Technology (Macdill AFB, FL)
    …Clearance. + Must meet DoD 8570 requirements and be eligible for IAT level II access upon hire for positions with elevated privileges + Depending on job assignment, ... hire. + Experience with infrastructure including but not limited to data center operations, server hardware, operating systems (Windows, Linux), web servers (IIS,… more
    General Dynamics Information Technology (11/22/25)
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