What are the responsibilities and job description for the System Administrator – Linux / HPC Infrastructure position at Authentic Group of Companies?
System Administrator – Linux / HPC Infrastructure
Locations: Annapolis Junction, MD and Bluffdale, UT
Work Arrangement: 100% On-site
Employment Type: Full-time
Salary Range: $100,000–$200,000 annually, subject to approval
Position Overview:
We are seeking experienced System Administrators to support complex Linux-based infrastructure and mission-critical computing environments. Opportunities are available for professionals specializing in Linux platform administration, networking, storage, and infrastructure engineering.
Responsibilities
- Install, configure, monitor, and maintain Linux operating systems and applications.
- Troubleshoot system, application, networking, and performance issues.
- Administer file systems, system resources, and TCP/IP networking.
- Develop Bash scripts to automate administrative tasks.
- Support software installation, system upgrades, and configuration management.
- Document system configurations and operational procedures.
- Collaborate with engineering and operations teams to maintain system reliability.
Required Qualifications
- U.S. citizenship.
- Active TS/SCI security clearance with NSA Full Scope Polygraph.
- Hands-on experience with Linux distributions such as RHEL, CentOS, Rocky Linux, SLES, or Ubuntu.
- Experience with Linux administration, Bash scripting, file systems, TCP/IP, and troubleshooting.
- Ability to work fully on-site in Maryland or Utah.
Preferred Qualifications
- High-Performance Computing (HPC) experience.
- Storage or network engineering experience.
- Familiarity with Lustre, DDN Exascaler, InfiniBand, Slurm, Ansible, Grafana, Prometheus, or related technologies.
- Experience with performance benchmarking tools such as IOR, iperf, FIO, or lnet_selftest.
Benefits
- Three weeks of paid time off.
- Eleven federal holidays.
- Medical and dental coverage.
- Short- and long-term disability insurance.
- Life and accidental death and dismemberment insurance.
- 401(k) with up to 4% company match.
- Relocation assistance may be available.
Qualified professionals with strong Linux troubleshooting skills and an interest in complex infrastructure environments are encouraged to apply.
Salary : $100,000 - $200,000