SR Linux Systems Administrator

$108,550 - $196,225/Yr

Leidos - Vicksburg, MS

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 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. In this role, you will set up administrator and service accounts, maintain system documentation, tune system performance, install system wide software and allocate mass storage space. You will 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 essential, along with assisting with forecasting resource limitations. Additionally, you will provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques. The position requires a current Top Secret clearance and the ability to obtain a TS/SCI clearance. Candidates must possess a Bachelor's degree and at least 10-13 years of experience, along with DoD 8570 certification - Security + and OS cert, Linux+, RedHat, etc. A willingness to occasionally work after hours and/or respond to emergency situations for problem resolution is also necessary. General knowledge of Linux and Unix operating systems concepts, as well as systems administration experience, is required. You should be able to develop and maintain documentation on system administration procedures for routine and complex tasks, and create and maintain Information Assurance (IA) compliance documentation of the Information System.

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 increasing resource efficiency through scheduling and load balancing techniques.

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.
• Ability to develop and maintain documentation on system administration procedures for routine and complex tasks.
• Ability to create and maintain Information Assurance (IA) compliance documentation of the Information System.

Nice-to-haves

• Experience with compiling, installing, and porting software.
• Ability to understand application scaling issues related to problem resolution, algorithm choice.
• Experience with Storage Architectures: SAN, SAS, FC, SATA, Bandwidth, Performance.
• Ability to manage development of appropriate application benchmarks, analyze results and determine optimal configurations for processor type/speed, size of memory/cache, and memory interconnect.
• Familiarity with multi-factor authentication platforms and solutions, and Identity Management such as OpenID, LDAP, and Kerberos.
• Security implementations using multi-factor authentication, PKI, or Kerberos and Unix OS hardening to DoD STIG standards.
• 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.