• System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Active Top Secret/SCI clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT support role. Compliant ... ensuring you receive the utmost employee care. Responsibilities The System Operations/ Administrator will perform the following duties:...with DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security+ or ability… more
    Sciolex Corporation (10/14/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    Systems : Extensive knowledge of Windows and Linux operating systems . + Networking: Understanding of network protocols, hardware, and infrastructure. + ... in the intelligence community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This… more
    Nightwing (09/26/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …in a business, technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA). + CompTIA, the Server + ... win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system...administration activities. + Experience in Microsoft Windows computer operating systems , LINUX operating systems , CISCO… more
    SimIS Inc. (11/06/25)
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  • Network Administrator

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Job Title: Network Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This ... position is CONTINGENT upon contract award** The Network Administrator (NA) collaboratively works closely with...and leadership to assist in deployment planning and onboard systems into PWW. They assist with monitoring, system more
    Nightwing (09/26/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... change requests; support for implementation, troubleshooting and maintenance of Unix/ Linux systems ; Perform technical evaluations, analysis, and troubleshooting… more
    Assertive Professionals (10/09/25)
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  • Systems Administrator

    CACI International (Norfolk, VA)
    … + Technical certifications (CompTIA A+, Network +) + Knowledge of Windows and Linux systems + Basic scripting abilities + Understanding of system ... **- High School diploma and up to 7 years experience in system administration** + ** Systems Administrator II** **- Bachelors degree and strong knowledge of… more
    CACI International (12/05/25)
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  • Senior Systems Administrator , Level…

    Lockheed Martin (Dahlgren, VA)
    Linux systems and hardware\. Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system ... you\! The DARKWING Program is seeking a highly motivated Systems Administrator to join our team in...to join our team in La Plata, MD\. The System Administrator \(SA\) is responsible for the… more
    Lockheed Martin (11/19/25)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... multiple engineering and scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for delivering reliable, secure,… more
    Lockheed Martin (10/22/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …smooth operation of multi-user computer systems , including coordination with network engineers. + Monitors and manages system resources, including CPU ... Description:** Parsons is looking for an amazingly talented **Mid System Administrator ** to join our team! **What...for system administrators. + RHCSA - Core Linux system administration certification. + Experienced with… more
    Parsons Corporation (11/15/25)
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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 (12/24/25)
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