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Description
​​The Decision Advantage Business Area at Leidos has an opening for an experienced Secret cleared Systems Administrator in our Orlando, FL office.  Our team supports the Department of the Air Force (DAF) Battle Network and supporting infrastructure. The system administrator will be involved in day-to-day activities and strategic long-term maturation of complex systems. Details are as follows:Â
​Primary ResponsibilitiesÂ
​Support operation of a high-performance compute clusterÂ
​Investigate, diagnose, and resolve acute system faultsÂ
​Maintain software deploymentsÂ
​Maintain security complianceÂ
​Monitor and maintain hardwareÂ
​Interface with user support staffÂ
​Provide support to Tier and Tier 2 (including Domain Administration, System Administration, and Network Administration).Â
​Monitor and maintain smooth operation of computer systems, applications and user experience.Â
​Provide effective communication across multi-functional teams, stakeholders and end users.Â
​Other opportunities may include learning new technologies, skill sets, and career advancement.Â
​Basic Qualifications  Â
​Bachelors degree with 8 years' relevant experience; 6 years' experience with a Master’s Degree; 4 years with PhD. Will consider 4 years additional experience in lieu of degree.Â
Active and current Secret clearance with ability to obtain and maintain TS/SCI clearance. ​Must be a U.S. citizen.
​Demonstrated knowledge of Windows and Linux systems proficiencyÂ
​Demonstrated knowledge and experience with file systemsÂ
​Demonstrated knowledge and experience with concepts of high-performance computing system operations, including cluster management, multi-user login environments, job scheduling, and networked file systemsÂ
​Demonstrated experience with MPI, high-speed low-latency network fabrics, parallel file systems, and/or GPUsÂ
​Demonstrated knowledge and experience with system security and maintaining compliance with Security Technical Implementation Guides (STIGs)Â
​Strong written and verbal communication skillsÂ
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​Preferred QualificationsÂ
​IAT Level II certificationÂ
​Red Hat Linux systems administration experienceÂ
​Demonstrated experience with Ansible and shell scriptingÂ
​Experience with Git and CICD PipelinesÂ
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 28, 2026For 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 - $166,850.00The 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.
