SR Linux Systems Administrator

$108,550 - $196,225/Yr

Leidos - Vicksburg, MS

posted 3 months ago

Full-time - Senior
Vicksburg, MS
Professional, Scientific, and Technical Services

About the position

Leidos is seeking a Senior Systems Administrator to support a team of administrators with standard system administration duties at the Department of Defense (DoD) High Performance Computing (HPC) Modernization Program (DoD HPCMP) and the U.S. Air Force Research Laboratory (AFRL) DoD Supercomputing Resource Center (DSRC) located at Wright Patterson AFB, OH. The selected candidate will perform standard System Administration duties as required to maintain the smooth operation of multi-user computer systems consisting of Linux-based application and license servers, virtual machines, and GP/GPU cluster-based systems. Coordination with network administrators is required to ensure seamless integration and functionality of the systems. In this role, you will be responsible for setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system-wide software, and allocating mass storage space. You will also develop and monitor policies and standards for allocation related to the use of computing resources. Participation in the installation, integration, acceptance testing, and ongoing maintenance of our HPC systems and software environment is crucial, as well as assisting with forecasting resource limitations. Additionally, you will provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques. This position requires a current Top Secret clearance and the ability to obtain a TS/SCI clearance.

Responsibilities

  • Perform standard 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 allocation related to computing resources.
  • 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 at least 10-13 years of experience.
  • DoD 8570 certification - Security + and OS cert, Linux+, RedHat, etc. (90 day waiver may be provided to obtain the OS certification).
  • General knowledge of Linux and general Unix operating systems concepts.
  • Systems administration experience with the ability to develop and maintain documentation on system administration procedures.
  • Ability to create and maintain Information Assurance (IA) compliance documentation of the Information System.
  • Willingness to occasionally work after hours and/or respond to emergency situations for problem resolution.

Nice-to-haves

  • Experience with compiling, installing, and porting software.
  • Ability to understand application scaling issues related to problem resolution and algorithm choice.
  • Experience with Storage Architectures: SAN, SAS, FC, SATA, Bandwidth, Performance.
  • Ability to manage development of appropriate application benchmarks and analyze results for optimal configurations.
  • Familiarity with multi-factor authentication platforms and solutions, and Identity Management such as OpenID, LDAP, and Kerberos.
  • Experience programming or troubleshooting Python code.
  • Experience with supporting Apache Web Server.
  • Experience with Zabbix.
  • Experience with Red Hat Satellite or Red Hat Identity Manager.
  • Experience with BIND DNS.
  • Experience with Ansible.
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