• Tyto Athene (Santa Barbara, CA)
    **Description** Tyto Athene is searching for a ** Systems Administrator /Information System Security Officer** to join our CA team. **Responsibilities:** + Provide ... + Excellent communication skills. + Onsite support is required. **Clearance:** + Active DoD Top Secret or Top Secret /SCI clearance. Maintain active… more
    DirectEmployers Association (12/06/25)
    - Save Job - Related Jobs - Block Source
  • Argonne National Laboratory (Lemont, IL)
    …granted by the US Department of Energy (DOE). It's functionally equivalent to a ** Top Secret clearance** , allowing access to information classified up to that ... Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems ...System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). Develop,… more
    DirectEmployers Association (11/22/25)
    - Save Job - Related Jobs - Block Source
  • COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... experience. + Minimum of 5 to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + Must be able to pass the CI polygraph… more
    DirectEmployers Association (10/02/25)
    - Save Job - Related Jobs - Block Source
  • COLSA Corporation (Huntsville, AL)
    …professional experience. + Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required + Must ... We are seeking a highly skilled Systems Analyst to serve as the technical lead...Certifications (MCSA/MCSE, AZ-104, etc.). + Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE). + Experience with automation… more
    DirectEmployers Association (09/21/25)
    - Save Job - Related Jobs - Block Source
  • IT Systems Administrator

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... with the ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for a Systems more
    SpaceX (10/11/25)
    - Save Job - Related Jobs - Block Source
  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...opportunity to make a personal impact as a **Linux** ** Systems Administrator ** with GDIT. A career in… more
    General Dynamics Information Technology (12/05/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for...special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic… more
    Lockheed Martin (10/22/25)
    - Save Job - Related Jobs - Block Source
  • Principal Windows Systems

    Northrop Grumman (Gilbert, AZ)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Office (CIDO) organization is seeking an experienced **Principal Windows Systems Administrator ** to join its dynamic team...and permissions + Candidates must have a current DOD ** Top Secret ** level security clearance (at a… more
    Northrop Grumman (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Linux/Windows Systems Administrator

    Lockheed Martin (King Of Prussia, PA)
    …the boundaries of technology to help our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work in an agile ... topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows...of start\) * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide… more
    Lockheed Martin (12/11/25)
    - Save Job - Related Jobs - Block Source
  • IT Systems Administrator

    Lockheed Martin (Las Vegas, NV)
    …across multiple platforms including RHEL, Windows Server, and Windows 10\. Active Top Secret Security Clearance and US Citizenship Required for this ... facility\. **Basic Qualifications:** * Must hold an active DoD Top Secret \(U\.S\. Citizen\) * Must have...CompTIA Security \+ certification * Experience with Windows Operating Systems \(i\.e\., Windows Server 2016, 2019, Win10, etc\.\) *… more
    Lockheed Martin (10/18/25)
    - Save Job - Related Jobs - Block Source
  • G2 Senior Systems Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure ... **Job Description:** Transform technology into opportunity as a **Senior Systems Administrator ** at GDIT. Shape what's next...YOU'LL NEED TO SUCCEED:** + **Security Clearance Level:** Active Top Secret clearance. (A Secret more
    General Dynamics Information Technology (12/08/25)
    - Save Job - Related Jobs - Block Source
  • NCIS Systems Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... Yes **Job Description:** Transform technology into opportunity as a ** Systems Administrator ** at GDIT. Shape what's next...YOU'LL NEED TO SUCCEED** + **Security Clearance Level:** Active Top Secret clearance (Must be TS/SCI eligible)… more
    General Dynamics Information Technology (11/04/25)
    - Save Job - Related Jobs - Block Source
  • Senior DevOps/ Systems Administrator

    ICF (Huntsville, AL)
    …who will be a key driver to make this happen. We are seeking a skilled ** Systems Administrator ** to support daily operations of IT systems for a government ... program, ensuring stability, security, and compliance across infrastructure components. The Systems Administrator will be responsible for maintaining servers,… more
    ICF (10/09/25)
    - Save Job - Related Jobs - Block Source
  • Windows Systems Administrator

    Deloitte (Lake Mary, FL)
    …degree and 8+ years of Windows systems administration experience + Active DoD Top Secret clearance required + Must be legally authorized to work in the ... through innovation. Work You'll Do Support and manage Windows operating systems and servers across the enterprise. Responsibilities include: + Installing,… more
    Deloitte (10/28/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator Level 2/3…

    Northrop Grumman (Oak Harbor, WA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... Grumman Aeronautical Systems is seeking a well-qualified Systems Administrator to join its dynamic team...a completed degree. + Must have an active DoD Top Secret clearance or higher (with a… more
    Northrop Grumman (12/17/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator /DevOps…

    ICF (Reston, VA)
    …in anticipation of the award._ **The Work** We are seeking a **System Administrator / DevOps Engineer** to support secure, automated deployments and manage cloud ... + Participate in incident response and recovery efforts, ensuring systems remain secure and operational. **What You Will Bring**...Bring** **With** **You:** + Candidate must have an active Secret clearance or higher + Bachelor's degree in Computer… more
    ICF (12/11/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    Koniag Government Services (Washington, DC)
    …Management Solutions,** a Koniag Government Services company, is seeking a Systems Administrator with a Top - Secret clearance with the ability to obtain ... a Koniag Government Services company, is seeking an experienced Systems Administrator to support our government client....Minimum 8 years of system administration experience + Active Top - Secret clearance with ability to obtain SCI… more
    Koniag Government Services (10/01/25)
    - Save Job - Related Jobs - Block Source
  • Senior Windows Systems Administrator

    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 ... Systems Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the management of… more
    Black Bear Technology Solutions, LLC (11/21/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    CACI International (Sarasota, FL)
    …* * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our ... network and fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In this position,… more
    CACI International (10/04/25)
    - Save Job - Related Jobs - Block Source
  • TSSCI Systems Administrator (Level…

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Top Secret Systems Administrator (Level 2) to join their growing classified IT ... You will be responsible for provisioning, installation and configuration, and maintenance of systems hardware and software. Their environment is a mix of Windows and… more
    Insight Global (11/22/25)
    - Save Job - Related Jobs - Block Source