• Principal ITSM System Administrator

    BAE Systems (Washington, DC)
    …that enable our customers to achieve their missions. As a **Principal ITSM System Administrator ** , you'll play a critical role in providing exceptional ... we encourage you to apply. As a Principal ITSM System Administrator , you'll be responsible for proactively...cause analysis and optimization in high-stakes, regulated settings + US Citizenship required due to federal contract… more
    BAE Systems (10/30/25)
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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 ....years' experience with Vormetric data encryption solutions (preferred) Min Citizenship Status Required: Must be a US more
    System One (12/26/25)
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  • Physical Security System

    M. C. Dean (Chantilly, VA)
    …federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for ... + Requires 2 + years of experience programming/administrating Physical Access Control Systems . + Requires system administrator experience in performing… more
    M. C. Dean (10/23/25)
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  • System /Network Administrator

    RTX Corporation (Fulton, MD)
    **Date Posted:** 2025-12-05 **Country:** United States of America **Location:** MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, ... US government issued security clearance is required.​ US citizenship is required, as only ...scripting via bash and/or Powershell + A Microsoft Certified Systems Administrator (MCSA), RedHat Certified Systems more
    RTX Corporation (11/21/25)
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  • Linux Systems Administrator

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

    Leidos (Bethesda, MD)
    …environment where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The ... and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software...active TS/SCI and willingness to get a Poly. + US Citizenship is required due to the… more
    Leidos (12/03/25)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    … Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ ... of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining… more
    Leidos (12/20/25)
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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 ... Full Time **Position Description:** CGI Federal has an exciting opportunity for a Systems Administrator within our Intel sector advancing the national security… more
    CGI Technologies and Solutions, Inc. (12/31/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …related experience ** US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you advance ... your career. Join GDIT as a Systems Administrator Senior and build an impactful...with the ability to obtain a Top Secret + US citizenship required **Skills and Competencies:** +… more
    General Dynamics Information Technology (12/18/25)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    Sr. Systems Administrator Location: Washington, DC, US Job ID: ATR 17714 Job Description Job Title: Sr. Systems Administrator Job Location: ... (DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior...at least 3 days a week at customer location US Citizenship : US Citizenship more
    Arena Technical Resources, LLC (10/25/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... like Salt and Ansible for infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation, tune system more
    Leidos (12/30/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    **Amentum** is looking for a **Junior Systems Administrator ** to join our team in **McLean, VA** ! As a Junior Systems Administrator , you will be ... and networks. **Must have an Active Top Secret/SCI US Government clearance. Note: US Citizenship...conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color,… more
    Amentum (01/01/26)
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  • Windows System Administrator 2

    M. C. Dean (Falls Church, VA)
    …outcomes, improving lives, and changing the world for the better. We are seeking a ** System Administrator 1** to join our **Security and Electronic Systems ... to a government security investigation and may meet eligibility requirements, including US Citizenship , for access to classified information; **ability to obtain… more
    M. C. Dean (12/23/25)
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  • Windows System Administrator 1

    M. C. Dean (Falls Church, VA)
    …outcomes, improving lives, and changing the world for the better. We are seeking a ** System Administrator 1** to join our **Security and Electronic Systems ... to a government security investigation and must meet eligibility requirements, including US Citizenship , for access to classified information; ability to obtain… more
    M. C. Dean (12/23/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    …for escalated tickets. **Basic Qualifications:** + Ten (10) years' experience as a system administrator in programs and contracts of similar scope, type, and ... **Leidos** has a new and exciting opportunity for a ** Systems Network Administrator ** in our **National Security...or university is required. Five (5) years of additional system administrator experience may be substituted for… more
    Leidos (11/18/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …and methodologies to mitigate system weaknesses and vulnerabilities. **Required Skills:** - US Citizenship - Must have an active DoD Secret clearance, TS/SCI ... Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development,...5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS and… more
    Nightwing (11/26/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …(IDT&S) organization Specialized Infrastructure Operations group is currently seeking a **Senior Systems Administrator ** to join the team in **Herndon, VA** . ... contributions, from the seabed to outer space. The Senior System Administrator will handle system ...an active US Top Secret/SCI Security Clearance ( US Citizenship Required). (A US more
    The Boeing Company (12/25/25)
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  • Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... more. **Join us and make a difference in National Security!** The Systems Administrator will be responsible for: + Provide support for implementation,… more
    Leidos (10/12/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …Tomcat,IBM Cognos Administration,Linux **Experience:** 8 + years of related experience ** US Citizenship Required:** Yes **Job Description:** Transform technology ... into opportunity as a Systems Administrator with GDIT. A career in...environments. + **Location:** Chantilly, VA (On Customer Site) + US Citizenship Required **GDIT IS YOUR PLACE:**… more
    General Dynamics Information Technology (12/16/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …future with us . Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a ** System Administrator ** (Shift Work) to join ... a small group of end users who use our system and several other systems that we...high impact operations. This position requires an **active TS/SCI** US Security Clearance ( US Citizenship more
    The Boeing Company (12/25/25)
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