Translucent Services, LLC is seeking a highly experienced and motivated Senior High-Performance Computing (HPC) System Administrator to join our team in Stennis AFB, Mississippi maintenance, and optimization of our large-scale, cutting-edge HPC cluster environments. This is a critical, senior-level role that requires deep expertise in Linux operating systems, cluster management technologies, and a proven ability to maintain systems with high-availability and security standards for mission-critical operations.

Active TS/SCI U.S. Security Clearance is required*

Key Responsibilities

• System Management & Maintenance:
• Lead the installation, configuration, testing, and maintenance of Linux-based HPC clusters (e.g., using CentOS, RHEL, or similar distributions).
• Administer and troubleshoot cluster scheduling and resource management systems (e.g., SLURM, PBS Pro, or LSF).
• Manage and maintain high-speed interconnects (e.g., InfiniBand, Omni-Path) and associated network infrastructure.
• Storage & File Systems:
• Configure, maintain, and optimize parallel and networked file systems (Lustre, GPFS/Spectrum Scale, or NFS).
• Monitor and manage large-scale storage hardware to ensure data integrity and performance.
• Performance Optimization:
• Proactively monitor system performance and capacity, conducting tuning and optimization of the HPC environment for maximum efficiency.
• Work with end-users and developers to diagnose and resolve complex performance bottlenecks in scientific and computational workflows.
• Security & Compliance:
• Ensure the HPC infrastructure adheres to all security policies and governmental compliance requirements, specifically leveraging experience with Active TS/SCI cleared environments.
• Manage user accounts, access controls, and security patches across the entire system.
• Troubleshooting & Documentation:
• Provide expert-level, Tier 3 support for all HPC-related issues.
• Develop and maintain comprehensive documentation for all cluster configurations, procedures, and service records.
• Mentorship & Leadership:
• Act as a technical leader, mentoring junior staff and guiding the adoption of best practices in HPC system administration.

Required Qualifications

• Clearance: Must possess an Active TS/SCI U.S. Security Clearance.
• Experience: Minimum of 8+ years of progressive experience in Linux System Administration, with at least 5 years focused specifically on High-Performance Computing (HPC) clusters.
• Technical Expertise:
• Expert proficiency in Linux system administration and scripting (e.g., Bash, Python).
• Demonstrable expertise with HPC job schedulers (SLURM, PBS, or LSF).
• Deep understanding and practical experience with high-performance parallel file systems (Lustre, GPFS/Spectrum Scale).
• Strong networking knowledge, particularly high-speed fabrics like InfiniBand.
• Soft Skills: Excellent written and verbal communication skills, with a proven ability to work collaboratively in a team environment.

Preferred Qualifications (Nice to Have)

• Experience with containerization and orchestration technologies (Docker, Singularity/Apptainer, Kubernetes).
• Familiarity with configuration management tools (Ansible, Puppet, SaltStack).
• Experience supporting scientific applications, compilers (GCC, Intel), and MPI libraries (OpenMPI, MPICH).
• Relevant certifications (e.g., Red Hat Certified System Administrator/Engineer - RHCSA/RHCE).

Job Type: Full-time

Pay: $85,000.00 - $110,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Health insurance
• Life insurance
• Paid time off
• Vision insurance

Application Question(s):

• Do you have an active TS/SCI clearance?

Work Location: In person