• Sr. Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    Administrator ; or Red Hat Certified Engineer; or Oracle Certified Professional Solaris System Administrator ; or Red Hat Certified Specialist in Ansible ... Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a...Administrator Overview: S4 Inc. has a Sr. Linux/Unix System Administrator position available who will be… more
    S4 Inc. (10/08/25)
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  • Linux Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …and keep you performing at your best. We are in search of a Linux Systems Administrator to: + Install, configure, and network UNIX and/or NT based platforms. ... system configuration files. + Fundamental understanding of operating systems ad be familiar with either UNIX or NT...available based on position level and/or job specifics. **Linux Systems Administrator ** **115415BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Advisor with GDIT. A career in enterprise IT ... operate. At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today...modify scripts in multiple disciplines on Windows, Linux, and Solaris systems + Knowledge of the Customer's… more
    General Dynamics Information Technology (08/26/25)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced Senior ... exposure to AWS beyond core services + Senior-level experience with Solaris system administration **Application Deadline:** 11/3/2025 \#cjpost #LI-Hybrid The… more
    SMX (10/18/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... Install and configure Red Hat Linux / Windows / Solaris operating systems + Ensure compliance with...security policy, Risk Management Framework (RMF) + Set up administrator and service accounts + Maintain system more
    ISYS Technologies (10/22/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    Principal System Administrator Location Annapolis Junction, MD Job Code 2270 # of Openings 1 Apply Now ... and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active...7,8 Linux, VMWare Vcenter Server and Vsphere client, Sun Solaris 9, 10, Dragon Intrusion Detection, Oracle 10 RDBMS.… more
    DCCA (08/18/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many ... teams to support fast-paced, critical programs with classified information system capabilities. Success in this role means you can develop, implement and maintain… more
    RTX Corporation (09/09/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and… more
    William C Brown Inc (10/14/25)
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  • F-22 iMIS System Administrator

    Lockheed Martin (Langley Air Force Base, VA)
    **Description:** Join the Lockheed Martin Aeronautics Field Sustainment Team as an IT Systems Administrator for our Langley Air Force Base, Virginia office\. As ... IMIS leadership * Backups, restores, and disaster recovery of systems /databases/network equipment * System /software/firewall/account maintenance and monitoring *… more
    Lockheed Martin (09/19/25)
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  • Linux System Administrator

    L3Harris (Greenville, TX)
    …sea and cyber domains in the interest of national security. Job Title: Linux Systems Administrator Job Code: 30430 Job Location: Greenville, TX Schedule: 9/80 ... other Friday off) Job Description: This position is for a Linux Systems Administrator supporting Agile Software Development Engineering teams. The position… more
    L3Harris (10/30/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …Location: Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in ... of OS and hosting solutions. Integration of the mission systems will include the install and configuration of the...CISSP, CISM + Supporting multi-OS environments of Linux, Windows, Solaris , and embedded OS's + System hardening… more
    L3Harris (10/17/25)
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  • Unix/Linux System Administrator

    City of New York (New York, NY)
    …for one (1) Computer Specialist (SW) IV, to function as a UNIX/LINUX System Administrator , who will: - Work on daily UNIX/Linux Infrastructure requests ... and develops applications, including a variety of client eligibility and recertification systems , case management systems , housing systems , employment/work… more
    City of New York (09/10/25)
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  • Sr. System Administrator - VDI

    Leidos (Odenton, MD)
    …Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). **PRIMARY ... group at Leidos has a career opening for a System Administrator on a DISA contract. This...considered in lieu of degree. + Windows, Linux, and Solaris Server experience with an expertise in at least… more
    Leidos (10/21/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** is seeking a **Linux** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort ... to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system...all of the following technologies and environments: + Operating Systems : CentOS, AIX, Solaris , RHEL + Tools… more
    ManTech (10/23/25)
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  • Linux Systems Administrator

    SMX (Huntsville, AL)
    Linux Systems Administrator (4502)at SMX(View all jobs) (https://www.smxtech.com/careers/) Huntsville, AL SMX is seeking a Linux Systems Administrator to ... candidate will work closely with customers, fellow team members, and other System Administrators in support of Missile Defense Agency. This role involves identifying… more
    SMX (10/18/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** seeks a motivated and customer-focused **Linux** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ... are not limited to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system availability and… more
    ManTech (10/23/25)
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  • System Administrator , High…

    RTX Corporation (Tucson, AZ)
    …are eligible for a security clearance​ **Security Clearance:** Secret - Current ** System Administrator , High Performance Computing (HPC) - P2** **Senior Analyst ... to lead and support the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems . Work across DT functions… more
    RTX Corporation (10/24/25)
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  • System Administrator

    ProSphere Tek (Tacoma, WA)
    …environment to substantially improve your skills and experience? PSI is seeking a System Administrator with an active Top Secret/SCI clearance to support our ... workstations with a common user interface across multiple operating system environments. Support up to 850 systems ....Access, PowerPoint and SharePoint. + Working knowledge of operating systems : UNIX (Sun Solaris , SUNOS), LINUX, Microsoft… more
    ProSphere Tek (10/31/25)
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  • F-22 iMIS System Administrator

    Lockheed Martin (Elmendorf AFB, AK)
    …leadership * Perform backups, restores, and disaster recovery of systems /databases/network equipment * Maintain system /software/firewall/account maintenance and ... **Description:** We are seeking a motivated and talented IMIS Administrator to join our F\-22 Field Operations Team at Elmendorf Air Force Base, Alaska\. As a… more
    Lockheed Martin (10/03/25)
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