The Decision Advantage Business Area at Leidos has an opening for an experienced Secret cleared
Systems Administratorin 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:
Primary Responsibilities - Support operation of a high-performance compute cluster
- Investigate, diagnose, and resolve acute system faults
- Maintain software deployments
- Maintain security compliance
- Monitor and maintain hardware
- Interface with user support staff
- Provide support to Tier and Tier 2 (including Domain Administration, System Administration, and Network Administration).
- Monitor and maintain smooth operation of computer systems, applications and user experience.
- Provide effective communication across multi-functional teams, stakeholders and end users.
- Other opportunities may include learning new technologies, skill sets, and career advancement.
Basic Qualifications - 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.
- Active and current Secret clearance with ability to obtain and maintain TS/SCI clearance.
- Demonstrated knowledge of Windows and Linux systems proficiency
- Demonstrated knowledge and experience with file systems
- Demonstrated knowledge and experience with concepts of high-performance computing system operations, including cluster management, multi-user login environments, job scheduling, and networked file systems
- Demonstrated experience with MPI, high-speed low-latency network fabrics, parallel file systems, and/or GPUs
- Demonstrated knowledge and experience with system security and maintaining compliance with Security Technical Implementation Guides (STIGs)
- Strong written and verbal communication skills
Preferred Qualifications - IAT Level II certification
- Red Hat Linux systems administration experience
- Demonstrated experience with Ansible and shell scripting
- Experience with Git and CICD Pipelines
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, 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.
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