• Senior Systems Administrator

    Leidos (Vienna, VA)
    …+ Provide support in information security system requirements and design applicable to Linux hosts + Manage Linux systems using Puppet or other config ... National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team...and Access management + Experience in Database Administration and system monitoring, including Linux command-based troubleshooting +… more
    Leidos (07/29/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …are eligible for a security clearance. + Minimum Security+ DoD 8570 certification. + System administration across Linux systems . + Experience in the ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    RTX Corporation (09/26/25)
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  • Computer System Administrator

    Northrop Grumman (Dulles, VA)
    …(adjudicated within the last 5 years); additionally, the selected candidate must be Top Secret eligible, and the required security clearance must be maintained ... be limited to the following: + Perform as primary Systems or Network Administrator for a classified...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system… more
    Northrop Grumman (08/13/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    Systems Administrator Location: Langley, VA, US Job ID: ATR 17352 Job Description Job Title: Systems Administrator Location: Langley, VA Eligibility: ... for the upkeep, configuration and reliable operation of computer systems , As a Systems Administrator ,...Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and… more
    Arena Technical Resources, LLC (09/30/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and… more
    William C Brown Inc (07/16/25)
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  • Systems Administrator /Site…

    CACI International (Fort Belvoir, VA)
    …(Security+) + Knowledgeable on system troubleshooting processes + Familiar with UNIX/ Linux Operating Systems + ** TS /SCI clearance with the ability ... Systems Administrator /Site Representative Job Category: Information...systems , servers, storage, and network connectivity. + Provide system administration for assigned infrastructure and establish and maintain… more
    CACI International (08/29/25)
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  • SIGINT Systems Administrator (Low…

    CACI International (Hampton, VA)
    SIGINT Systems Administrator (Low Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Employee Type: ... Travel: * * * CACI is seeking a SIGINT Systems Administrator to join the CACI team...procedures to ensure appropriate function of hardware, software, or system functional specifications. Additionally, you will analyze, troubleshoot, and… more
    CACI International (09/15/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position is ... CONTINGENT upon contract award** The System Administrator (SysA) as part of the...customers in a timely manner. Required Skills: + Operating Systems : Extensive knowledge of Windows and Linux … more
    Nightwing (09/26/25)
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  • System Administrator

    Shuvel Digital (Reston, VA)
    …reviews of requirements, system architecture, and detailed design documents. A Systems Administrator must be able to collaborate well with a strong ... Describe the Work: GITI is looking for a mid-level Systems Administrator with experience in installing, configuring,...related field. + 3-5 years of experience working in Linux Systems Administration or a related field… more
    Shuvel Digital (08/13/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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