• Windows System Administrator (Senior-Level)

    Link Solutions Inc (Adelphi, MD)
    …Adelphi, MD. + Must be a US Citizen + Must have an active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System ... Administrator (Senior-Level) will be responsible for the installation, configuration,...a US Citizen. + Must have an active DoD Top Secret Clearance + MS or BA/BS… more
    Link Solutions Inc (10/08/25)
    - Related Jobs
  • Windows System Administrator (Senior-Level)

    Link Solutions Inc (Durham, NC)
    …Durham, NC. + Must be a US Citizen + Must have an active DoD Top Secret Clearance + Non-remote (relocation incentive available) Our Windows System ... Administrator (Senior-Level) will be responsible for the installation, configuration,...a US Citizen. + Must have an active DoD Top Secret Clearance + Must have an… more
    Link Solutions Inc (10/08/25)
    - Related Jobs
  • 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 Type:** ... **Position Description:** CGI Federal has an exciting opportunity for a Systems Administrator within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (12/31/25)
    - Related Jobs
  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …with 6 years of IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope Polygraph at time of ... warfighter. Come be a part of our mission. Northrop Grumman is seeking a **Systems Administrator ** **Level 2 ** to join our team at our facility in Aurora,… more
    Northrop Grumman (10/22/25)
    - Related Jobs
  • System Administrator 2

    DCCA (Fort Meade, MD)
    …compensation and benefits package. Visit our website at: www.dcca.com System Administrator 2 Candidate must have an active TS /SCI w/ Poly For over 40 ... System Administrator 2 Location Fort Meade, MD...dedication to excellence. Key Tasks: DCCA is looking for TS /SCI w/Polygraph cleared Systems Administrators with Linux and Windows… more
    DCCA (11/21/25)
    - Related Jobs
  • Network System Administrator

    ManTech (Los Angeles, CA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Network System Administrator ** **III** to join our team in **Los Angeles, CA.** The primary ... will include both air and ground transportation). **Clearance Requirements:** + Current Top - Secret Clearance with SCI Eligibility. + Eligibility for access to… more
    ManTech (12/17/25)
    - Related Jobs
  • Network /Systems Administrator

    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 (NSS) for the Security Programs Facility (SPF). Develop,… more
    Argonne National Laboratory (11/22/25)
    - Related Jobs
  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ210149 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and… more
    General Dynamics Information Technology (11/08/25)
    - Related Jobs
  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ206477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Collect data for proper escalation and resolution by Tier 2 /3. + Perform network management services to...12 hours/day for a total of 7 days over 2 week period) * Security Clearance Level: TS more
    General Dynamics Information Technology (12/02/25)
    - Related Jobs
  • Modernization Cyber Systems Administrator

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SA2: * A High School ... operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve… more
    Lockheed Martin (10/10/25)
    - Related Jobs