• Systems Administrator

    CACI International (Hampton, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage ... * * **The Opportunity:** CACI is seeking a cleared Systems Administrator in Hampton, VA. This is...Tier 1 and 2 personnel. **Qualifications:** _Required:_ + Active TS /SCI. + Bachelor's degree in a related field or… more
    CACI International (12/18/25)
    - Related Jobs
  • Systems Administrator 2 (Bluemont,…

    William C Brown Inc (Springfield, VA)
    Systems Administrator 2 (Bluemont, VA) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... characteristic protected by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation, troubleshooting and… more
    William C Brown Inc (10/23/25)
    - Related Jobs
  • Linux Systems Administrator

    ManTech (Laurel, MD)
    …with JIRA ticketing system **Clearance Requirements:** + Must have a current active Top Secret /SCI with Polygraph **Physical Requirements:** + The candidate must ... test analysis of the DoD Certification/ Accreditation process + Ability to install Windows software and hardware applications; upgrade systems with new releases… more
    ManTech (11/26/25)
    - Related Jobs
  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we ... problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams to support… more
    RTX Corporation (12/05/25)
    - Related Jobs
  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented **Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... understanding of client and server operations and maintenance with Windows 10 and 11 environments and Windows ...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
    - Related Jobs
  • System Administrator 2

    DCCA (Fort Meade, MD)
    …to excellence. Key Tasks: DCCA is looking for TS /SCI w/Polygraph cleared Systems Administrators with Linux and Windows experience! We have multiple positions ... and benefits package. Visit our website at: www.dcca.com System Administrator 2 Candidate must have an active TS...resolution process. + Configure and manage Linux, UNIX and Windows operating systems and install/load operating system… more
    DCCA (11/21/25)
    - Related Jobs
  • System Administrator , High Performance…

    RTX Corporation (Tucson, AZ)
    …domain and basic to advance scripting experience. + An active DoD Top - Secret Clearance. + Advanced hands-on experience with Windows and Unix security ... as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **System Administrator , High Performance Computing (HPC) -… more
    RTX Corporation (10/24/25)
    - Related Jobs
  • Network-System Administrator II

    Global Resource Solutions (Washington, DC)
    …Level 2 within 6 months of the date of hire. Security Requirements: + Current Top Secret Clearance with SCI Eligibility + Eligibility for access to Special ... Windows 2008 R2/2012 R2 Server, Microsoft Exchange Server 2003/2010, Microsoft Windows 7/10 operating systems (OS) administration and associated hardware +… more
    Global Resource Solutions (12/19/25)
    - Related Jobs
  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …related acquisition experience per level if no bachelor's degree is held. Active Top Secret /SCI clearance with a Counter-Intelligence Polygraph Experience as a ... in a similar IT support role. Compliant with DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security+ or ability to obtain within… more
    Sciolex Corporation (10/14/25)
    - Related Jobs
  • Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …team. You will play a key role in supporting and optimizing IT systems across Linux, Windows and VMware environments. You'll provide critical troubleshooting, ... involved in the resolution process + Provides in-depth experience in trouble-shooting IT systems + Configures and manages UNIX and Windows operating systems more
    Belay Technologies (11/19/25)
    - Related Jobs