• HW Infrastructure Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **HW Infrastructure Administrator ** **Category:** Testing/Quality Assurance **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2109 ... model is acceptable. CGI Federal has an exciting opportunity for an HW Infrastructure Administrator within our Intel sector advancing the national security… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, ... and Mitigation (CDM) practices. **Preferred Qualifications:** + Microsoft Certified Systems Administrator /Engineer (MCSA/MCSE) or equivalent (eg, Azure … more
    ManTech (11/05/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category:... infrastructure and any processes related to these systems . The Senior Systems Administrator ... Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide support for implementation, troubleshooting and… more
    CACI International (12/02/25)
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  • Senior Systems Administrator

    ICF (Huntsville, AL)
    … for a government program, ensuring stability, security, and compliance across infrastructure components. The Systems Administrator will be responsible ... to make this happen. We are seeking a skilled ** Systems Administrator ** to support daily operations of...Implement best in class cloud-based solutions in AWS using infrastructure as code (Terraform) + Deploy, setup, and run… more
    ICF (10/09/25)
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  • Senior Linux/Unix Systems

    SMX (Dahlgren, VA)
    …in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of our team ... Senior Linux/Unix Systems Administrator ...environments, ensuring the functionality, security, and efficiency of Unix/Linux-based systems , networks, and software infrastructure . This position… more
    SMX (12/04/25)
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  • Senior Systems Administrator

    Three Saints Bay (Philadelphia, PA)
    ** Senior Systems Administrator - Cybersecurity & Network Operations (5088)** Location **Philadelphia, PA** Job Code **5088** \# of Openings **1** Apply Now ... a Federal Government Contractor industry leader, is seeking a ** Senior Systems Administrator - Cybersecurity...tools for Navy programs + Monitor and maintain server infrastructure , including web and file servers + Implement cybersecurity… more
    Three Saints Bay (11/12/25)
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  • Senior Linux System Administrator

    BAE Systems (San Diego, CA)
    …build your career with BAE Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and ... operational support for classified IT systems . You will primarily support the...be available based on position level and/or job specifics. ** Senior Linux System Administrator ** **116453BR** EEO Career… more
    BAE Systems (09/18/25)
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  • Senior Systems Administrator

    Insight Global (Milpitas, CA)
    …Description One of our esteemed clients in the quantum computing space is seeking a Senior Systems Administrator to join their innovative team. In this role, ... processes, designing and implementing automation solutions, and continuously refining those systems -this will make up approximately 80% of your responsibilities. The… more
    Insight Global (11/05/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... make a difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (10/09/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... Required Qualifications: + Experience: Minimum of 10 years in systems administration and IT infrastructure leadership +...10 years in systems administration and IT infrastructure leadership + Education: Master's degree OR Bachelor's degree… more
    Black Bear Technology Solutions, LLC (11/21/25)
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