• Endpoint Security as a Service (ESS) Engineer/…

    Leidos (Washington, DC)
    …network components and develop cutting-edge technical solutions. **Basic Qualifications:** + Active ** Top Secret clearance** (SCI eligible). + **8+ years of IT ... - where innovation meets mission.** **What You'll Do** As an ESS Engineer and Administrator , you won't just maintain systems - you'll _elevate_ them. You'll be… more
    Leidos (10/03/25)
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  • Windows Systems Administrator

    Northrop Grumman (Los Angeles, CA)
    …Information and Digital Office (CIDO) organization is seeking a novice **Windows Systems Administrator ** to join its dynamic team of technical professionals. ... Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,...+ Experience with Certification & Accreditation process + Active Secret , Top Secret , SCI, Polygraph,… more
    Northrop Grumman (10/07/25)
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  • Sr Principal Windows Systems…

    Northrop Grumman (Dulles, VA)
    …Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator ** to join its dynamic team of technical professionals. ... and permissions + Candidates must have a current DOD ** Top Secret /SCI** level security clearance to include...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (10/03/25)
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  • IT Systems Administrator

    Leidos (Washington, DC)
    **Description** The Leidos National Security Sector is seeking an experienced ** Systems Administrator ** to provide technical expertise installing, configuring, ... planning sessions, providing actionable recommendations. **Required Security Clearance:** + Active Top Secret . **Basic Qualifications.** + Bachelor's degree and… more
    Leidos (09/13/25)
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  • Modernization Accelerator: 2025 Hiring Alerts;…

    Lockheed Martin (Hanover, MD)
    …* Test Engineers * Network Engineers * User Experience Designer * Data Science * Systems Administrator \( Linux \) For a complete list that changes weekly, use ... an external hire\! \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph Seeking multiple levels of… more
    Lockheed Martin (09/25/25)
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  • Senior Systems Administrator

    Leidos (Tucson, AZ)
    …part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you ... St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to obtain...a Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows-based systems in secure, mission-critical… more
    Leidos (10/10/25)
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  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    SCITES - Senior System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT Level ... of System Admin experience Position Description: Exeter Government Services is seeking a Senior Systems Administrator (SA) to work for SOUTCOM on a newly awarded… more
    Exeter Government Services, LLC (09/07/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Saratoga Springs, UT)
    …position level and/or job specifics. **Senior High Performance Computing (HPC) Systems Administrator ** **116840BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running… more
    BAE Systems (10/03/25)
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  • Senior System Administrator (MSO)

    General Dynamics Information Technology (Livermore, CA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator /Mission Support Operator -** **$10K Sign-on bonus**… more
    General Dynamics Information Technology (10/11/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required). (A US Security ... your future with us. Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a **System Administrator ** (Shift Work) to join our… more
    The Boeing Company (10/11/25)
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