Linux Systems Administrator

Prerequisites

• Ability to obtain an DoD interim Secret clearance with the ability to obtain and maintain a DoD TS.
• DoD 8570 Certification compliance – Security+ and OS cert, Linux+, Red Hat, etc. 90 day waiver may be provided to obtain the OS cert.
• May require occasional after hours support and response to emergency situations for problem resolution.

Perform standard Linux 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 required. Additional duties are:

• Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocate mass storage space.
• Developing and monitoring policies and standards for allocation related to the use of computing resources.
• Participating in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems and software environment.
• Assisting with forecast resource limitations and provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques.

• Extensive knowledge of Linux and Unix operating systems concepts as well as 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.

• 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 fabric for customer problem domains.
• Familiar in 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.