Senior Linux Systems Administrator
About The Position
The Senior Linux Systems Administrator provides Linux systems administration expertise in support of a customer operating the DoW’s largest supercomputing centers and some of the world’s most powerful supercomputers. The role helps ensure DoW scientists have reliable access to these resources and supports the warfighter. All work is performed at the customer’s site on Wright-Patterson Air Force Base in Dayton, Ohio. A Top Secret clearance is required to begin work on the program. The position serves as Deputy Team Lead over the local System Administration Functional team and supports a multi-platform UNIX environment. Duties include Red Hat Linux administration, system performance tuning, security administration, software support, technology assessments, and the installation, configuration, maintenance, and upgrade of operating systems and layered software. The administrator monitors mission-critical production systems, performs testing, and ensures systems meet established standards, policies, configuration guidelines, and service-level agreements.
Requirements
- Active, in-scope Top Secret clearance, or ability to obtain Interim Top Secret eligibility before starting; U.S. citizenship is required.
- Bachelor’s degree and at least 8 years of equivalent experience, or a master’s degree and 6 years of experience.
- Current DoD 8570 IAT II certification before starting: Linux+, CCNA-Security, CND, CySA+, GICSP, GSEC, Security+ CE, or SSCP.
- Effective oral and written communication 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 POA&M remediations.
- Experience supporting and working with ISSOs and ISSMs.
- Proficiency in Ansible or equivalent configuration-management experience.
Nice To Haves
- Proficiency in Linux storage subsystems.
- Experience managing Red Hat 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.
Responsibilities
- Serve as Deputy Team Lead over the local System Administration Functional team.
- Administer Red Hat Linux systems, including performance tuning, client security administration, systems software support, and technology assessments in a multi-platform UNIX environment.
- Perform systems enhancements, configuration, maintenance, installation, interfacing, coordination, and software installations and upgrades for UNIX operating systems and layered software packages.
- Monitor and tune systems to achieve optimum performance in accordance with established policies, procedures, and service-level agreements.
- Perform acceptance testing of modules, subsystems, and total systems.
- Install and configure software.
- Monitor log files, performance issues, and the production environment for mission-critical systems.
- Set priorities and organize work to meet deadlines.
- Ensure compliance with established standards, policies, and configuration guidelines.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
