Linux Systems Administrator

Ironarch Technology - McLean, VA

Full-time

McLean, VA

Professional, Scientific, and Technical Services

About the position

IronArch Technology is seeking a Linux Systems Administrator to support the Department of Defense High Performance Computing Modernization Program and the Air Force Research Laboratory. The role involves maintaining the operation of Linux-based systems, ensuring efficient resource allocation, and participating in the installation and maintenance of HPC systems.

Responsibilities

• Perform standard Linux System Administration duties to maintain smooth operation of multi-user computer systems.
• Set up administrator and service accounts, maintain system documentation, and tune system performance.
• Install system-wide software and allocate mass storage space.
• Develop and monitor policies and standards for computing resource allocation.
• Participate in the installation, integration, acceptance testing, and ongoing maintenance of HPC systems and software environment.
• Assist with forecasting resource limitations and provide recommendations for efficiency improvements.

Requirements

• Bachelor's Degree and 4+ years' working experience, or equivalent experience.
• 4+ years' experience with Linux systems, including Red Hat Enterprise Linux (RHEL)/CentOS.
• DoD 8570 certification - Security + and OS cert, Linux+, RedHat, etc.
• Willingness to occasionally work after hours and/or respond to emergency situations.
• General knowledge of Linux systems concepts and systems administration experience.
• Ability to develop and maintain documentation on system administration procedures.
• Ability to create and maintain Information Assurance (IA) compliance documentation.
• Top Secret Security Clearance.

Nice-to-haves

• Experience with various HPC technologies such as Cray/Cray EX, IBM, SGI, Penguin, or custom architectures.
• Familiarity with Linux variants OS.
• Experience with InfiniBand (IB), Intel Omni-Path interconnects.
• Knowledge of Portable Batch System (PBS), SLURM, or IBM Platform Load Sharing Facility (LSF) schedulers.
• Experience with Intel Xeon, AMD EPYC, or ARM CPUs.
• Familiarity with Nvidia graphic processing units (GPUs).
• ITIL Foundation certification.

Benefits

• Life insurance
• Paid holidays
• 401(k) retirement plan
• Medical, dental and vision benefits
• Company-provided healthcare concierge assistance
• 20 days of PTO per year
• 11 paid holidays
• Bereavement, jury duty, parental, and military leaves
• Sabbatical programs
• Company-paid short- and long-term disability
• Voluntary life, accidental and indemnity income replacement benefits
• Professional development reimbursement
• Health club reimbursement
• Matching donation program and annual philanthropic activities
• Pet insurance