{"schemaVersion":"jobsearcher.job.v1","id":"bed6c0f06887c163d6ebef8f","url":"https://jobsearcher.com/jobs/bed6c0f06887c163d6ebef8f","canonicalUrl":"https://jobsearcher.com/jobs/bed6c0f06887c163d6ebef8f","title":"LINUX System Administrator","description":"Overview\nIn this role you will support the deployment and sustainment of critical Linux-based systems within a defense environment. You will work as part of a cross-functional team to keep IT infrastructure healthy, handle day-to-day operations, and respond to customer requests. The position involves a mix of Linux administration, hardware/software configuration, and troubleshooting in a heterogeneous environment with Windows, VMware, and networking considerations. Your work will contribute to secure, reliable operations for mission-critical systems.\n\nResponsibilitiesSupport day-to-day IT operations (Tier 1/2) and incident handlingInstall and maintain operating systems and hardware/software configurationsTroubleshoot and sustain infrastructure healthRespond to customer calls and requests; assist with infrastructure changesDeployment/reimaging via DHCP and Kickstart; Spacewalk and Yum usageIAVA resolution within the environmentSecurity-related responsibilities per DoD requirementsWork in a heterogeneous environment including Windows, VMware, and networking\nKey requirementsLinux system administration experienceCentOS/RedHat 7 and/or 8Active DoD 8570 category/level certifications (Security+, GSEC, SSCP, CCNA-Security, CISA, CISSP, CASP, GSIH, GCED)Active TS/SCI clearance with polygraph desiredRed Hat Certified System Administrator or equivalent a plusExperience with deployment tools like DHCP and KickstartSpacewalk and Yum familiarityIAT-2 or equivalent requirement for DoD rolesteam collaborationproblem-solvingcustomer-facing communicationLinux system administrationCentOS/RedHat 7/8DHCP, Kickstart","company":"Cybercore Technologies","rawCompany":"cybercore technologies","city":"Columbia","state":"MD","isRemote":false,"isActive":false,"createdAt":"2026-09-15T03:45:37.950Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1231.00","title":"Computer Network Support Specialists","slug":"computer-network-support-specialists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"},{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"LINUX System Administrator","description":"Overview\nIn this role you will support the deployment and sustainment of critical Linux-based systems within a defense environment. You will work as part of a cross-functional team to keep IT infrastructure healthy, handle day-to-day operations, and respond to customer requests. The position involves a mix of Linux administration, hardware/software configuration, and troubleshooting in a heterogeneous environment with Windows, VMware, and networking considerations. Your work will contribute to secure, reliable operations for mission-critical systems.\n\nResponsibilitiesSupport day-to-day IT operations (Tier 1/2) and incident handlingInstall and maintain operating systems and hardware/software configurationsTroubleshoot and sustain infrastructure healthRespond to customer calls and requests; assist with infrastructure changesDeployment/reimaging via DHCP and Kickstart; Spacewalk and Yum usageIAVA resolution within the environmentSecurity-related responsibilities per DoD requirementsWork in a heterogeneous environment including Windows, VMware, and networking\nKey requirementsLinux system administration experienceCentOS/RedHat 7 and/or 8Active DoD 8570 category/level certifications (Security+, GSEC, SSCP, CCNA-Security, CISA, CISSP, CASP, GSIH, GCED)Active TS/SCI clearance with polygraph desiredRed Hat Certified System Administrator or equivalent a plusExperience with deployment tools like DHCP and KickstartSpacewalk and Yum familiarityIAT-2 or equivalent requirement for DoD rolesteam collaborationproblem-solvingcustomer-facing communicationLinux system administrationCentOS/RedHat 7/8DHCP, Kickstart","datePosted":"2026-09-15T03:45:37.950Z","dateModified":"2026-09-15T03:45:37.950Z","hiringOrganization":{"@type":"Organization","name":"Cybercore Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Columbia","addressRegion":"MD","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"bed6c0f06887c163d6ebef8f"},"url":"https://jobsearcher.com/jobs/bed6c0f06887c163d6ebef8f"}}