• Secret Cleared Windows and Linux…

    Insight Global (Pearl City, HI)
    …Skills and Requirements Active Secret Clearance 3+ Years of Experience with Windows System 2+ years of experience with Linux Servers Experience Running and ... system administration for physical and virtual servers . Windows server system administration for physical and...Red Hat Certified Engineer . RHCSA Red Hat Certified System Administrator . RHCDS Red Hat Certified… more
    Insight Global (01/06/26)
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  • Principal System Administrator

    BAE Systems (Nashua, NH)
    Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in ... equipment (up to 40lbs) and work within controlled environments. **_In this Principal System Administrator position you will make impats in the following ways_**… more
    BAE Systems (12/19/25)
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  • System Administrator

    System One (Quantico, VA)
    …* Identify and report system risks. Qualifications: * 3 years experience in systems administration in a Windows based environment. * Bachelor's degree in a ... System Administrator Quantico, VA - ONSITE Compensation:...be a US citizen and hold a current Top Secret clearance with SCI access (TS/SCI). System One,… more
    System One (12/26/25)
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  • System Administrator (Citrix)

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile ... the customer and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document,...+ Proficiency with Windows Server (2016/2019/2022) and Windows 11 operating systems . + Strong working… more
    BAE Systems (12/04/25)
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  • Systems Administrator Autonomic…

    Lockheed Martin (Fort Worth, TX)
    …Come and experience your future\! This role is for a full time on\-site System Administrator for the Joint Strike Fighter \(JSF\) Program Autonomic Logistics ... The selected candidate will work a 3rd shift \(overnight\) position\. The system Administrator is responsible for providing the overall on\-site ALIS… more
    Lockheed Martin (12/17/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Patuxent River, MD)
    system integration, sustainment, and ground/flight test support. + Perform as a Windows \VMware System Administrator for a classified government contract. ... Systems (NGAS) has an exciting career opportunity for a **Principal/Sr. Principal Systems Administrator ** to join the Ground Segment team of qualified,… more
    Northrop Grumman (12/12/25)
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  • Senior IT System Administrator

    BAE Systems (Nashua, NH)
    Systems . BAE Systems is seeking a Senior Closed Area Systems Administrator to provide comprehensive technical and operational support for classified IT ... systems . This position requires a seasoned IT professional with...and work within controlled environments. **_In this Sr. IT System Administrator position you will make impacts… more
    BAE Systems (12/04/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... eligibility Duties and Responsibilities: Leads a team of system administrators responsible for enterprise IT systems ....with the following IT disciplines: + Security configuration of Windows Server/ Windows 10 + Microsoft SCCM or… more
    System One (12/26/25)
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  • NATO AGS Principal System

    Northrop Grumman (San Diego, CA)
    …with frequent travel to Sigonella, Italy. **Essential Functions:** + Perform as a Windows \VMware System Administrator for a classified government contract. + ... Aeronautics Systems Sector is seeking a well-qualified Systems Administrator to join its dynamic team...Perform as a Linux\RedHat System Administrator for a classified government contract.… more
    Northrop Grumman (01/07/26)
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  • System Administrator

    Gromelski & Associates, Inc. (Manassas, VA)
    …resources. **_System Administrator Required Tasks:_** + Performs duties as System Administrator on systems using Linux, Windows , and other operating ... ** System Administrator ** Location **Manassas, VA (Relocation...Job Description:_** + Performs tasks as Red Hat Linux Systems Engineer and Administrator , develops kernels and… more
    Gromelski & Associates, Inc. (12/17/25)
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