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Senior Linux Systems Administrator

Leidos
  • Dayton, Ohio
    6 days ago
    Leidos

    Job Description

    If you're interested in being a part of an extraordinary mission, working with our customer who runs the DoW’s largest supercomputing centers and operating some of the most powerful supercomputers in the world, we could use your experience and enthusiasm! You will be providing your Linux Systems Administration expertise to ensure DoW scientists have reliable access to these critical resources and in turn, will be directly supporting the warfighter.

     

    All work will be performed at our customer’s site on Wright-Patterson Air Force Base in Dayton, OH and a Top Secret Clearance is required to begin work on the program.


    What You'll Do:

    • Serve as Deputy Team Lead over the local System Administration Functional team.
    • Provide for RedHat Linux systems administration, performance tuning, client security administration, systems software support, and technology assessments in support of a multi-platform UNIX environment.
    • Perform systems enhancement, configuration, maintenance, installation, interfaces, coordination, and software installations and upgrades to UNIX operating systems and layered software packages.
    • Monitor and tune systems to achieve optimum level of performance in accordance with established policies, procedures, and service level agreements.
    • Perform acceptance testing of modules, subsystems, and total systems.
    • Perform software installation and configuration.
    • Monitor log files, performance issues, and the production environment for mission critical systems
    • Demonstrate ability to set priorities and organize work to meet deadlines
    • Ensure compliance with established standards, policies, and configuration guidelines

    Required Qualifications:

    • Must hold an active in scope TOP SECRET clearance or have the ability to obtain Interim TOP SECRET eligibility prior to start. (US Citizenship required)
    • Must hold a bachelor’s degree and at least 8 years of equivalent experience, or a master’s degree and 6 years of experience.
    • Must hold current DOD 8570 IAT II certification (Linux+, CCNA-Security, CND, CySA+, GICSP, GSEC, Security+ CE, or SSCP) prior to start.
    • Communicates effectively both orally and in a written form with users and office staff
    • Demonstrated Linux expertise managing bare metal and virtualized systems
    • Hands on experience patching, managing, and responding to DoW STIGs including POAM remediations
    • Experience supporting and working with ISSO’s and ISSM’s
    • Proficient in Ansible or equivalent configuration management experience

    Preferred Qualifications:

    • Proficiency in Linux storage subsystems
    • Experience managing RedHat Satellite systems
    • Experience managing containerized services within Kubernetes
    • Ability to write, diagnose, and optimize scripts written in bash, python, or perl
    • Familiarity managing virtual systems within VMware
    • Windows Server and workstation experience

     

    If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

    Original Posting:

    October 16, 2026

    For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

    Pay Range:

    Pay Range $92,300.00 - $166,850.00

    The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

    Numbers & Facts

    LocationDayton, Ohio
    IndustryEngineering Services
    Company Size10,000 employees or more
    Year Founded1969
    Websitehttp://leidos.com/

    About Company

    Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

    Skills

    • Acceptance Testingunmatched
    • Air Forceunmatched
    • Ansibleunmatched
    • Bash Scriptingunmatched
    • CCNA - Cisco Certified Network Associateunmatched
    • Communication Skillsunmatched
    • CompTIA Linux+unmatched
    • CompTIA Security+unmatched
    • Computer Network Defense (CND)unmatched
    • Computer Workstationsunmatched
    • Configuration Managementunmatched
    • DoD Directive 8140unmatched
    • DoD Directive 8570unmatched
    • Establish Prioritiesunmatched
    • GSEC - GIAC Security Essentials Certificationunmatched
    • IAT - Information Assurance Technicalunmatched
    • Identify Issuesunmatched
    • Legalunmatched
    • Linux Administrationunmatched
    • Linux Operating Systemunmatched
    • Maintain Complianceunmatched
    • Microsoft Windows Serverunmatched
    • Multiplatform/Cross-Platformunmatched
    • Performance Tuning/Optimizationunmatched
    • Perl Programming Languageunmatched
    • Policy Developmentunmatched
    • Procedure Developmentunmatched
    • Production Systemsunmatched
    • Python Programming/Scripting Languageunmatched
    • Red Hat Linux Operating Systemunmatched
    • Regulatory Complianceunmatched
    • SSCP - Systems Security Certified Practitionerunmatched
    • Service Level Agreement (SLA)unmatched
    • Software Administrationunmatched
    • Software Configuration Managementunmatched
    • Software Installationunmatched
    • Software Patchesunmatched
    • Supercomputingunmatched
    • Systems Administration/Managementunmatched
    • Team Lead/Managerunmatched
    • Technical Supportunmatched
    • Technology Analysisunmatched
    • Testingunmatched
    • Time Managementunmatched
    • Top Secret Clearanceunmatched
    • United States Citizenunmatched
    • Unix Operating Systemsunmatched
    • VMWareunmatched
    • Virtualizationunmatched
    • Writing Skillsunmatched

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