Description
Leidos is seeking an experienced, customer-facing Linux Systems Administrator to join our dynamic team supporting mission-critical infrastructure in a secure, classified environment. This junior-to-mid level role combines strong technical expertise in Red Hat Enterprise Linux (RHEL) with excellent communication skills to deliver reliable support to government customers and internal stakeholders. The ideal candidate thrives in data center operations, enjoys hands-on hardware tasks, and excels at automating routine processes to improve efficiency.
Primary Responsibilities:
- Provide strong expertise in Red Hat Enterprise Linux environments, including demonstrated experience managing both physical and virtual infrastructure in data center settings.
- Serve as a customer-facing administrator, assisting users with application, account, hardware, or other technical issues in a professional and responsive manner.
- Build, maintain, update, and retire virtual, physical, and cloud-based Red Hat (and supporting Windows) hosts.
- Perform hardware/asset management, server and workstation deployment, and create efficient automation solutions (e.g., scripting, Ansible) for repetitive tasks.
- Maintain and support Enterprise Storage systems (e.g., IBM ESS or similar vendor arrays).
- Provision, adjust, or tear down project resources such as Kubernetes namespaces, virtual/physical hosts, workstations, etc.
- Execute data center tasks including equipment inventory, racking and cabling servers, hardware troubleshooting, and repairs.
- Maintain hardware across workstations, servers, Enterprise Storage Arrays from multiple vendors, network equipment, etc., including fault identification, troubleshooting, and coordinating replacement parts orders/installations.
- Coordinate major activities such as data center disruptions (e.g., power work), including clear communication with users and Government Points of Contact (GPOCs).
- Support installation, updating, troubleshooting, and removal of specialty applications, services, and systems to meet project and user needs.
- Install, implement, maintain, and update security controls necessary to sustain required security posture and support Authority to Operate (ATO) for assets.
- Produce clear, usable documentation for internal teams and customers, including procedures, runbooks, and troubleshooting guides.
- Collaborate effectively with cross-functional teams to ensure high availability, performance, and compliance in a fast-paced environment.
Basic Qualifications:
- Bachelor's degree in Computer Science, Information Technology, or related field and 5 years of relevant Linux systems administration experience (or equivalent combination of education and experience).
- Strong expertise in Red Hat Enterprise Linux (RHEL) administration, including installation, configuration, patching, troubleshooting, and performance tuning in physical/virtual environments.
- Hands-on experience with data center operations, hardware management (racking, cabling, troubleshooting), and server/workstation deployment.
- Demonstrated scripting/automation skills (e.g., Bash, Ansible, or similar) to streamline repetitive tasks.
- Excellent documentation and communication skills, with proven ability to produce clear technical materials and interact professionally with customers and stakeholders.
- Active TS/SCI with CI Polygraph.
- DoD 8570/8140 compliant certification (e.g., CompTIA Security+, or equivalent IAT Level II).
- U.S. Citizenship required.
Preferred Qualifications:
- Experience with Enterprise Storage (e.g., IBM ESS, NetApp, or similar).
- Familiarity with Kubernetes/OpenShift, virtualization platforms (e.g., VMware), and Windows Server administration in hybrid environments.
- Red Hat Certified System Administrator (RHCSA) or equivalent certification.
- Prior experience in classified/secure environments supporting IC/DoD missions.
- Knowledge of security controls implementation (e.g., STIGs, RMF processes) to maintain ATO compliance.
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:
January 15, 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 $73,450.00 - $132,775.00
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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
