• Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    Infrastructure Engineer/ Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the full lifecycle development and… more
    CACI International (09/26/25)
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  • VMware ESXI Administrator

    Trace Systems Inc (Portsmouth, VA)
    Job Overview Job Title: VMware ESXI Administrator Location: Portsmouth, VA Job Responsibilities Trace Systems is seeking a VMware ESXI Administrator to support ... trusts, DNS, and DHCP. + Provide recommendations on directory service design and best practices for security, replication, and...+ Due to the nature of the work and contract requirements, US Citizenship is required. + VMware Certified… more
    Trace Systems Inc (08/29/25)
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  • Project Assistant/ Administrator

    SOS International LLC (Reston, VA)
    Reston, VA, USA Full-time FLSA Status: Non-Exempt Clearance Requirement: Tier II **Company Description** Founded in 1989, SOSi is among the largest private, ... SOSi is seeking a highly organized and detail-oriented Project Assistant/ Administrator to join our team. As our Project Assistant/...will play a critical role in supporting our language service program for federal, state, and local law enforcement… more
    SOS International LLC (11/21/25)
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  • Windows Linux Systems Administrator…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise environments to support a critical ... Federal Intelligence Agency contract . This is an excellent opportunity to work alongside...and mission-focused environment. In this role, you'll **provide Tier II support and systems administration** across multiple large-scale Microsoft-based… more
    General Dynamics Information Technology (10/14/25)
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  • Network Operations Center (NOC)…

    Leidos (Arlington, VA)
    …within Leidos' Defense Group is seeking a **Network Operations Center (NOC) Administrator ** to provide coverage monitor tools and availability of the Compartmented ... which provides secure information sharing to the community, into a more mature service offering to meet the DoD and intelligence communities. As part of this… more
    Leidos (10/03/25)
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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 ... coordinating, documenting requirements and timelines, and working closely with service owners. + Perform systems security administration functions, including… more
    General Dynamics Information Technology (10/25/25)
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  • System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... Tier 1 and Tier 2 system support for PKI-related service disruptions, certificate issues, and access control failures. +...skills. + Must hold a DoD 8570 IAT Level II certification (eg, Security+ CE). + Familiarity with tools… more
    ENS Solutions (09/27/25)
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  • Senior Cybersecurity Incident Response…

    TekSynap (Radford, VA)
    …Cyber Tasking Orders (CTOs) and coordinate actions with Army Cyber Security Service Providers (CSSPs). + Participate in Software Assurance (SwA) reviews to validate ... to Army Cyber Tasking Orders (CTOs) and collaborating with Cybersecurity Service Providers (CSSPs). + Experience with DoD/Army cybersecurity compliance standards and… more
    TekSynap (10/25/25)
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  • Senior Cybersecurity Internal Controls…

    TekSynap (Radford, VA)
    …or properly documented via eMASS POA&Ms. + Collaborate with Cybersecurity Service Providers and system stakeholders to support incident response, compliance reviews, ... such as Security+, CISSP, or equivalent. **Clearance:** + Secret - IT- II Non-Critical Sensitive Clearance or Tier 3 (T3) investigation. **DESIRED QUALIFICATIONS**… more
    TekSynap (10/25/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Richmond, VA)
    …+ Performs Red Hat installation and configuration in Google Cloud Platform service management + Performs Filesystem management + Provides technical expertise and ... contact with users and supervisor/manager regarding status of open or pending service calls. + Assesses and develops long-term strategic goals for production… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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