• System Administrator - Linux - TS

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... OPTIONAL SKILLS 1. Demonstrated experience as a RedHat Certified System Administrator (RHCSA). 2 . Demonstrated hands-on experience with/qualifications as an… more
    The Metamorphosis Group (12/10/25)
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  • Systems Administrator - TS /SCI…

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced **Systems Administrator ** to join our team in supporting mission-critical IT infrastructure. This role is ideal for ... issues, and perform root cause analysis for hardware, software, and network -related problems. + Ensure compliance with security standards, including vulnerability… more
    Leidos (01/01/26)
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  • Security Control Assessor (SCA) ( TS /SCI)

    Tau Six (Chantilly, VA)
    …networking, and cybersecurity tools, techniques, and tactics. Clearance Required: US Government Top Secret / SCI Responsibilities: The Security Control Assessor ... of security configuration of operating systems. + Shall have 2 or more years of experience applying Risk Management...Framework. + Must have demonstrated knowledge of host and network access control and auditing technologies and methods. +… more
    Tau Six (10/22/25)
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  • Network Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Network Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2111 **Employment ... Description:** CGI Federal has an exciting opportunity for a Network Administrator within our Intel sector advancing...role:** Journeyman: * Education and/or Experience: Bachelor's degree and/or 2 to 5 years of experience * Security Clearance:… more
    CGI Technologies and Solutions, Inc. (12/31/25)
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  • Network Administrator II

    William C Brown Inc (Springfield, VA)
    Network Administrator II EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment ... other characteristic protected by law. Description WCBinc is looking for a Network Administrator to provide support for implementation, troubleshooting and… more
    William C Brown Inc (12/01/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …managing Windows and Azure server environments **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... **Job Description:** Parsons is looking for an amazingly talented **Mid System Administrator ** to join our team! **What You'll Be Doing:** + Maintains smooth… more
    Parsons Corporation (11/15/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (12/31/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    …certification or equivalent, or ability to obtain within a defined period. - Top Secret /SCI clearance. Location: Customer Site US Citizenship Required First Name ... Systems Administrator Location: Springfield, VA, US Job ID: ATR...Location: Springfield, VA Eligibility: Candidate must possess an active TS /SCI clearance and be willing to obtain a CI… more
    Arena Technical Resources, LLC (01/01/26)
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  • Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2115 **Employment Type:** ... **Position Description:** CGI Federal has an exciting opportunity for a Systems Administrator within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (12/31/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ206477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Collect data for proper escalation and resolution by Tier 2 /3. + Perform network management services to...12 hours/day for a total of 7 days over 2 week period) * Security Clearance Level: TS more
    General Dynamics Information Technology (12/02/25)
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