​​High Performance Computing (HPC) Systems Administrator​

​ ​ High Performance   Computing (HPC) Systems Administrator   ​        The   Leidos   Defense   Sector currently has an opening for a   High Performance   Computing (HPC) Systems   A dministrator   to work in our   San Diego, California   office. This is an exciting opportunity to use your experience   supporting   the   RIPTIDE environment .    The   High   Performance   Computing (HPC) Systems Administrator will   leverage   technical   expertise   to collaborate with the   existing   HPC team,   architect s, and engineers in supporting the computational needs of   the Defense Sector . Reporting to the   IT Security Engineering Manager , the Systems Administrator will   ensure   that the   HPC cluster is   maintained   at operational levels   and   support system users .    Primary responsibilities include system administration,   configuration,   monitoring, troubleshooting, software maintenance, installations,   SLURM management   and job scheduling system for   the   Linux clusters ,   and optimization of advanced computing systems and related infrastructure .       ​   ​ Job Responsibilities:   ​ Deploy, administer, and   monitor   Linux-based HPC clusters and storage   systems.   ​ Install,   maintain , and upgrade software, libraries, and licensed   applications.   ​ Troubleshoot and resolve system, hardware, and application issues across HPC   ​ environments.   ​ Develop and   maintain   scripts for system administration, monitoring, reporting, and   ​ data pipeline optimization.   ​ Provide technical support to   system users ;   assist   with project execution,   benchmarking, and resource planning.   ​ Research, deploy, and   optimize   resource management and scheduling systems .   ​ Evaluate and manage a helpdesk ticketing system; ensure   timely   resolution of user-submitted issues.   ​ Implement and manage HPC security infrastructure; ensure compliance with   data   handling policies and best practices.   ​ Create and   maintain   technical documentation and user guides.   ​ Consult   system users   to assess computational needs .   ​   ​ Minimum Qualifications:   ​ To qualify you must have a   bachelor’s degree in computer science or a related STEM field, combined with 3-5+ years of dedicated HPC or large-scale Linux system administration experience.   ​ Advanced knowledge of SLURM Workload Manager configurations, including accounting, resource limits, fair-share scheduling, and node state management.   ​ Hands-on experience with automation frameworks like ansible.   ​ Proficiency   in scripting languages such as Bash, Python, or Perl for system administration and automation.   ​ Strong troubleshooting skills across   systems , hardware, network, and application layers.   ​ Familiarity with software installation, configuration, and maintenance.   ​ Knowledge of security   best   practices, including the handling of   p rotected   data .   ​ Excellent communication and documentation skills .   Qualified candidates must be able to effectively communicate with all levels of the organization.   ​   ​ Preferred Qualifications:   ​ Red Hat Certified System Administrator   and/or Engineer Certification.   ​ Experience in integrating HPC resources.     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: July 21, 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 $107,900.00 - $195,050.00 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.