• Systems Administrator

    Hyundai Autoever America (San Diego, CA)
    …will include but not necessarily be limited to the following: + Administer and maintain Windows Server and Linux systems ; including strong command of ... role ensures the stability, availability, and security of enterprise systems through proactive administration , monitoring, documentation, and...Linux and Windows operating systems with deep troubleshooting capability… more
    Hyundai Autoever America (12/17/25)
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  • Sr. Principal Cyber Systems Engineer

    Northrop Grumman (Redondo Beach, CA)
    …Firewalls, CISCO IOS) + Experienced in the implementation of CMMC/DFARS/RMF/DOD Security Controls on Linux and Windows operating systems (ie Windows SHB ... The roles and responsibilities of this position include: + Administration of Linux (RHEL/CENTOS) 7/8 servers and...7/8 servers and workstations in a production environment + Administration of Windows workstations and servers (Win7,… more
    Northrop Grumman (11/26/25)
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  • Field Systems Administrator

    Systems Technology Forum (San Diego, CA)
    …and Skills Required knowledge and years of experience Five years experience required * Windows / Linux administration and RMF knowledge. * 5+ years of system ... accordance with DoD and NAVWAR policies. * Install, configure, and maintain operating systems ( Windows , Linux ) and associated applications across multiple… more
    Systems Technology Forum (11/21/25)
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  • Engineer V

    General Atomics (Poway, CA)
    …/ integration of existing and new weapon system applications that are based upon Linux and Windows operating systems and associated hardware + Understand, ... and Docker [Containers].) + Experience with Cyber Security hardening of Windows and Linux Operating Systems , Automation, Scripting skills and experience… more
    General Atomics (12/22/25)
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  • Application Security Engineer

    SpaceX (Hawthorne, CA)
    …equivalent). + Familiarity with enterprise security controls and security best practices for Windows , Linux , and Mac systems . + Effective problem-solving ... engineering and 1+ years of information security, networking and/or systems administration experience (internships and co-ops may...with enterprise security controls and security best practices for Windows , Linux , and Mac systems .… more
    SpaceX (01/08/26)
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  • Sr. Vulnerability Management Engineer

    SpaceX (Hawthorne, CA)
    …& DISA STIGs. + Familiarity with enterprise security controls and security best practices for Windows , Linux , and Mac systems . + Experience in analyzing & ... and 4+ years of professional experience in information security, networking and/or systems administration ; OR 5+ years of professional experience in information… more
    SpaceX (01/11/26)
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  • Systems Administrator (GEODSS) - Diego…

    Serco (San Diego, CA)
    Administration software and hardware support. + Must have experience with LINUX and Windows operating systems . + Prior military communications ... . In this role, you will: + Perform system administration support for all assigned systems and...CompTIA Security + CE or Cisco CCNA Security RedHat Linux certification, and/or Microsoft Windows certification. +… more
    Serco (01/06/26)
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  • Principal System Administrator - Windows

    RTX Corporation (El Segundo, CA)
    …: + Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. + Understanding and knowledge of ... to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr....Group Policy, & DNS. + Advanced Red Hat Enterprise Linux knowledge. + Working as a team member in… more
    RTX Corporation (12/09/25)
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  • Staff Solution Consultant

    Trellix (Sacramento, CA)
    …operations, cybersecurity engineering, systems engineering and/or Windows and Linux systems administration . + You have experience with Trellix ... planning, deployment, migration, operation, and sustainment of key endpoint security systems comprised of Trellix and third-party technologies. The Endpoint Security… more
    Trellix (11/14/25)
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  • Infrastructure Administrator

    Axxum Technologies (Rancho Cordova, CA)
    …role - IT administration , network management. + Strong knowledge of Windows / Linux operating systems , networking protocols, and IT security principles. ... to the remote IT team as needed. + Maintain and troubleshoot IT systems , including servers, networks, and end-user devices (PCs, peripherals, and accessories). +… more
    Axxum Technologies (12/19/25)
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