{"schemaVersion":"jobsearcher.job.v1","id":"b63335c9ecdfd27daccb9ddb","url":"https://jobsearcher.com/jobs/b63335c9ecdfd27daccb9ddb","canonicalUrl":"https://jobsearcher.com/jobs/b63335c9ecdfd27daccb9ddb","title":"Linux Systems Administrator - Senior","description":"O&M Systems Administrator for Linux Systems\n\nTitle: O&M Systems Administrator for Linux Systems\n\nLocation: Springfield, VA\n\nSecurity clearance: TS/SCI with Poly\n\nNeed Date: As soon as possible, with 1-year initial PoP and potential for further support\n\nSchedule: 5-8s - 40 - 8am to 6PM EST program coverage required across the team\n\nProgram Description:\n\nMRG provides Red Hat Enterprise Linux (RHEL)/SE Linux based HPC services\n\nthroughout the lifecycle for computational requirements, architecture, acquisition, and\n\noperations to federal government customers. Our employees embrace innovation and\n\nare committed to a culture of continuous, standards-driven process improvement and\n\nassimilation of industry best practices. The program provides key supercomputing\n\ncapabilities for solving important problems in science and technology. This work\n\ninvolves working on cutting edge HPC technologies to ensure that scientists and\n\nengineers will be able to fully utilize modern HPC systems.\n\nWe are seeking a senior level Systems Administrator with Linux and Software\n\nConfiguration Management experience to support our program at the Springfield, VA\n\nlocation. The successful candidate will have experience supporting Linux based users\n\non a Multi- Level Security network. Including configuration management, build\n\nautomation and release engineering.\n\nThis is a Systems Administrator role that manages Linux server infrastructure in\n\nsupport of the program. The role includes solving end-user computer system problems\n\nand improving performance on Linux Redhat platforms/operating systems. Candidate\n\nneeds experience with tools listed below and will be supporting the software\n\nconfiguration management (SCM) processes. The Systems Administrator assists with\n\nresolving technical issues with applications, network connectivity and ensures security\n\ncompliance of deployed systems.\n\nBasic Qualifications:\n\n* Bachelor's degree from an accredited college in related discipline and a minimum\n\nof 6 years of professional level experience.\n\n* Candidate must have Security + certification\n* Candidate must be able to obtain and maintain a security clearance at the Top\n\nSecret/SCI level with a poly. Requires U.S. Citizenship\n\n* Configuration management and change management experience using tools\n\nsuch as Git, SVN.\n\n* Linux Operating System knowledge, ability to solve end-user computer system\n\nproblems, while working independently in a lab environment.\n\n* Knowledge of data communications and networking\n* Experienced Administration/Systems Engineer in Linux\n* Experience with Linux RedHat Operating Systems, Computer Networking, and\n\nCommunications Systems *Experience with RedHat Satellite or other provisioning software.*\n\n* Understanding and experience working with identity management systems\n\nincluding LDAP and token-based authentication systems\n\n* Experience with the Creation of bash scripts and ansible playbooks\n\nDesired Skills:\n\n* Experience with Splunk, Security Center, Nessus\n* Experience with Lustre, NFS, file system\n* SELinux experience: configuration and policy\n* Agile process and Core Digital Transformation, knowledge of Atlassian suite\n\n(confluence, JIRA etc)\n\n* Working with customer/user representatives\n* Excellent interpersonal and teamwork skills\n\nPay: $175,000.00 - $250,000.00 per year\n\nBenefits:\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Employee assistance program\n* Employee discount\n* Health insurance\n* Health savings account\n* Life insurance\n* Paid time off\n* Parental leave\n* Professional development assistance\n* Referral program\n\nApplication Question(s):\n* Do you hold TS/SCI POLY Clearance?\n\nWork Location: In person","company":"Lambentwit Technologies","rawCompany":"lambentwit technologies","city":"Fairfax","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-08-19T17:37:33.731Z","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":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"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":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Linux Systems Administrator - Senior","description":"O&M Systems Administrator for Linux Systems\n\nTitle: O&M Systems Administrator for Linux Systems\n\nLocation: Springfield, VA\n\nSecurity clearance: TS/SCI with Poly\n\nNeed Date: As soon as possible, with 1-year initial PoP and potential for further support\n\nSchedule: 5-8s - 40 - 8am to 6PM EST program coverage required across the team\n\nProgram Description:\n\nMRG provides Red Hat Enterprise Linux (RHEL)/SE Linux based HPC services\n\nthroughout the lifecycle for computational requirements, architecture, acquisition, and\n\noperations to federal government customers. Our employees embrace innovation and\n\nare committed to a culture of continuous, standards-driven process improvement and\n\nassimilation of industry best practices. The program provides key supercomputing\n\ncapabilities for solving important problems in science and technology. This work\n\ninvolves working on cutting edge HPC technologies to ensure that scientists and\n\nengineers will be able to fully utilize modern HPC systems.\n\nWe are seeking a senior level Systems Administrator with Linux and Software\n\nConfiguration Management experience to support our program at the Springfield, VA\n\nlocation. The successful candidate will have experience supporting Linux based users\n\non a Multi- Level Security network. Including configuration management, build\n\nautomation and release engineering.\n\nThis is a Systems Administrator role that manages Linux server infrastructure in\n\nsupport of the program. The role includes solving end-user computer system problems\n\nand improving performance on Linux Redhat platforms/operating systems. Candidate\n\nneeds experience with tools listed below and will be supporting the software\n\nconfiguration management (SCM) processes. The Systems Administrator assists with\n\nresolving technical issues with applications, network connectivity and ensures security\n\ncompliance of deployed systems.\n\nBasic Qualifications:\n\n* Bachelor's degree from an accredited college in related discipline and a minimum\n\nof 6 years of professional level experience.\n\n* Candidate must have Security + certification\n* Candidate must be able to obtain and maintain a security clearance at the Top\n\nSecret/SCI level with a poly. Requires U.S. Citizenship\n\n* Configuration management and change management experience using tools\n\nsuch as Git, SVN.\n\n* Linux Operating System knowledge, ability to solve end-user computer system\n\nproblems, while working independently in a lab environment.\n\n* Knowledge of data communications and networking\n* Experienced Administration/Systems Engineer in Linux\n* Experience with Linux RedHat Operating Systems, Computer Networking, and\n\nCommunications Systems *Experience with RedHat Satellite or other provisioning software.*\n\n* Understanding and experience working with identity management systems\n\nincluding LDAP and token-based authentication systems\n\n* Experience with the Creation of bash scripts and ansible playbooks\n\nDesired Skills:\n\n* Experience with Splunk, Security Center, Nessus\n* Experience with Lustre, NFS, file system\n* SELinux experience: configuration and policy\n* Agile process and Core Digital Transformation, knowledge of Atlassian suite\n\n(confluence, JIRA etc)\n\n* Working with customer/user representatives\n* Excellent interpersonal and teamwork skills\n\nPay: $175,000.00 - $250,000.00 per year\n\nBenefits:\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Employee assistance program\n* Employee discount\n* Health insurance\n* Health savings account\n* Life insurance\n* Paid time off\n* Parental leave\n* Professional development assistance\n* Referral program\n\nApplication Question(s):\n* Do you hold TS/SCI POLY Clearance?\n\nWork Location: In person","datePosted":"2026-08-19T17:37:33.731Z","dateModified":"2026-08-19T17:37:33.731Z","hiringOrganization":{"@type":"Organization","name":"Lambentwit Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Fairfax","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"b63335c9ecdfd27daccb9ddb"},"url":"https://jobsearcher.com/jobs/b63335c9ecdfd27daccb9ddb"}}