Senior Linux System Administrator

Parsons is looking for a talented Linux Systems Administrator to join a tight-knit team keeping powerful, large-scale HPC systems healthy and secure. Your work will help enable cutting-edge research, AI/ML workloads, and production science. If you love working close to the metal, solving hard problems, and learning technologies most admins never touch, this is your type of environment.

What You'll Be Doing:

• Perform day-to-day administration on multiple HPC clusters, including installation, configuration, provisioning, tuning, and troubleshooting.
• Apply and maintain security hardening (e.g., DISA STIGs) and patching to support compliance and accreditation activities.
• Perform physical hardware tasks such as replacing failed components (e.g., drives, memory, NICs, cables).
• Work as part of an on-site system administration team supporting research, development, and production HPC environments.
• Work with customers to resolved issues related to the HPC clusters and the services they run.

• Hands-on Linux systems administration experience (RHEL/Rocky/SLES).
• Working knowledge of HPC concepts and/or willingness to learn (clusters, schedulers, parallel/shared filesystems, high-speed interconnects).
• Proficiency with scripting and automation using Bash, Python or other technologies.
• Strong troubleshooting fundamentals with hands-on hardware replacement.
• The ability to work on-site and collaborate within a system administration team.

What Desired Skills You'll Bring:

• Experience with job schedulers such as Slurm or PBS.
• Experience with HPC cluster managers (e.g., Warewulf, HP CM, xCAT, or Bright).
• Experience with parallel/shared filesystems (e.g., Lustre, WEKA, or DDN).
• Experience with high-speed interconnects (e.g., InfiniBand or Slingshot).
• Experience administering GPU-based platforms, including NVIDIA GPUs and CUDA.
• Experience implementing monitoring tools such as Prometheus and Grafana.
• Container experience (Apptainer/Singularity, Podman, or Docker).
• Exposure to Cloud and/or Kubernetes is a plus., * BS or MS degree in computer science or engineering, or equivalent experience in lieu of degree
• At least 10 years of directly related experience
• Linux+ certification (or equivalent)
• Security+ certification (or equivalent)
• Top Secret clearance

Pulled from the full job description

• Military leave
• 401(k)
• Health insurance
• Paid time off
• Vision insurance
• Dental insurance
• Paid military leave, An active Top Secret security clearance is required for this position.

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what's next to deliver the solutions our customers need now.

Salary Range: $134,100.00 - $241,400.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

We truly invest and care about our employee's wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/. COMPETITIVE BENEFIT OFFERINGS Financial Wellness We care about your financial wellbeing. Parsons offers competitive pay and retirement plans to help you build wealth for the future while giving you the flexibility to diversify your investments. Work Life Harmony Balance in life is important and time away from the office is imperative to allow you to refresh and focus your attention on the things that matter to you. Parsons supports your time away by providing paid time off and paid flexible holidays. Career Development We are committed to fostering the personal and professional growth of our employees. Develop and advance yourself though our comprehensive training, educational and mentorship programs. Veteran Support We provide Industry leading benefits to support veterans and active-duty members to provide security for you and your family by offering robust leave and benefits; including paid active-duty military leave and paid time off when transitioning back to civilian life. Mind & Body At Parsons we inspire healthier habits, heathier minds, and a healthier you through our wellness program. Participate in our weekly Meditation Mondays and Wellness Wednesdays. Wellness, at Parsons, is more than just your annual checkup. Health Health is not a one size fits all. At Parsons, we offer a robust Employee Assistance Program as well as comprehensive medical, dental and vision plans through large, national carriers with the choice of regional PPO, HDHP, or HMO networks.