• Sr. Principal Storage & Data Protection System…

    RTX Corporation (Tucson, AZ)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... solutions to solve complex DT infrastructure problems. As a ** Senior Principal level System Administrator ,** this role...have a current and maintain a US government issued Top Secret security clearance is required. US… more
    RTX Corporation (12/05/25)
    - Related Jobs
  • Senior System Administrator (2nd…

    RTX Corporation (Springfield, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Poly - Current At Raytheon, the foundation of everything we do ... meaningful problems that create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the heart of an important US… more
    RTX Corporation (12/14/25)
    - Related Jobs
  • Senior High Performance Computing (HPC)…

    BAE Systems (Saratoga Springs, UT)
    …incentives may be available based on position level and/or job specifics. ** Senior High Performance Computing (HPC) Systems Administrator ** **116840BR** EEO ... large client-server based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running Red Hat,… more
    BAE Systems (10/03/25)
    - Related Jobs
  • Senior System Administrator

    Amentum (Springfield, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... Troubleshooting and providing AWS technical support to the NGA enterprise. * Senior level experience managing and administering Linux /Windows based systems… more
    Amentum (11/20/25)
    - Related Jobs
  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our...at multiple classifications levels. **Requirements:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (12/05/25)
    - Related Jobs
  • Senior ServiceNow Systems…

    SAIC (Annapolis Junction, MD)
    **Description** SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many ... involved in the resolution process + Configure and manage UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots,… more
    SAIC (11/06/25)
    - Related Jobs
  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM ... space.As a System Administrator on this program, you will design, develop, implement,...hundreds of various Sponsor systems Required Qualifications + Active TS /SCI with Polygraph + BS degree and 12+ years… more
    Leidos (10/10/25)
    - 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:** ... CGI Federal has an exciting opportunity for a Systems Administrator within our Intel sector advancing the national security...2 to 5 years of experience * Security Clearance: TS /SCI required with the ability to obtain a … more
    CGI Technologies and Solutions, Inc. (10/01/25)
    - Related Jobs
  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …requirements will not be considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team in ... in multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux environments + Install, configure, and manage Windows operating...field, or equivalent experience + An active and transferable Secret clearance with ability to gain a TS more
    SciTec (11/19/25)
    - Related Jobs
  • System Administrator , High Performance…

    RTX Corporation (Tucson, AZ)
    …for a security clearance​ **Security Clearance:** Secret - Current **System Administrator , High Performance Computing (HPC) - P2** ** Senior Analyst Level** ... a DT domain and basic to advance scripting experience. + An active DoD Top - Secret Clearance. + Advanced hands-on experience with Windows and Unix security… more
    RTX Corporation (10/24/25)
    - Related Jobs