• OpenShift & Kubernetes Expert

    Cognizant (Pittsburgh, PA)
    …applications. The ideal candidate will have deep expertise in Red Hat OpenShift, Linux systems , and automation tools, with a strong ability to troubleshoot ... + Ensure platform scalability, security, and high availability. **System Administration & Linux Expertise** + Administer Red...& Linux Expertise** + Administer Red Hat Linux operating systems , ensuring optimal performance and… more
    Cognizant (11/14/25)
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  • Infrastructure Engineer/Administrator

    CACI International (Mclean, VA)
    …cloud and platform automation. + Monitoring and Maintenance + Install patches for Linux systems , and enterprise continuous monitoring applications such as Splunk ... Administer and maintain an existing an existing portfolio of linux systems include Rapid7 Nexpose Scanners, and...or OpenSearch. + 2+ years' experience with cloud and systems administration . + Demonstrated experience with scripting… more
    CACI International (09/26/25)
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  • Checkout Engineering Systems Engineer,…

    Amazon (Austin, TX)
    … administration , or network administration experience - 5+ years of Linux experience - 5+ years of systems engineering experience - Bachelor's degree ... Qualifications - 4+ years of site reliability engineering (SRE), systems engineering, systems administration , DevOps,...or network administration - Experience working with Linux - Experience in systems engineering -… more
    Amazon (11/06/25)
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  • Robotics Systems Engineer II, Amazon…

    Amazon (Austin, TX)
    … administration , or network administration experience - 5+ years of Linux experience - 5+ years of systems engineering experience - Bachelor's degree ... Qualifications - 4+ years of site reliability engineering (SRE), systems engineering, systems administration , DevOps,...or network administration - Experience working with Linux - Experience in systems engineering -… more
    Amazon (10/31/25)
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  • Information Systems Security Manager (ISSM)

    AeroVironment (Centreville, VA)
    …& Networks range in complexity and size to include multi-platform computing ( Linux , Windows, VMWare), virtual environments, and mobile systems . Extensive ... 7 years of professional experience with a related master's degree + Proficient with Linux based classified systems + Experience with cyber security policies and… more
    AeroVironment (10/11/25)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    …Data Center (PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability, and ... security of mission-critical systems across Department of Defense (DoD) networks. The Senior...of Defense (DoD) enclaves + Mentor and support junior UNIX/ Linux System Administrators by providing technical guidance on task… more
    SMX (10/18/25)
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  • Principal Windows Systems Administrator…

    Northrop Grumman (San Diego, CA)
    …Operating System (Windows, Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG ... management. + Able to support multiple networks. Ensure necessary administration tasks are completed; direct others as necessary. +...Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (11/21/25)
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  • Windows Systems Administrator - Top Secret

    Northrop Grumman (Gilbert, AZ)
    …Operating System (Windows, Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG ... management. + Able to support multiple networks. Ensure necessary administration tasks are completed; direct others as necessary. +...Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (11/21/25)
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  • Principal Systems Engineer

    Leidos (Columbia, MD)
    …FORNSAT systems , and various GOTS products, ensuring seamless virtualization, Linux environments, and systems of systems integration. ... **Description** **Leidos** has a new and exciting opportunity for a **Principal Systems Engineer** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (11/13/25)
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  • Principal Windows Systems Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …and/or certification. + Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or certification for current ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (11/13/25)
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