Linux Systems Administrator

3 weeks ago

Vicksburg, Mississippi, United States IMRI Full time
Job Description:

The position is for a Senior Linux System administrator. The candidate should have at least 5 years of Linux system administration experience, with expertise in provisioning, patching, and troubleshooting Red Hat Virtual and physical Linux systems. DoD experience in managing STIGs is advantageous. To meet the 8570 requirements, the candidate should have a Security Plus certification and some Linux Certs.

Additional responsibilities include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software, and allocating mass storage space.

Key responsibilities also include developing and monitoring policies and standards for allocation related to the use of computing resources, participating in the installation, integration, acceptance testing, and ongoing maintenance of our HPC systems and software environment, and assisting with forecast resource limitations and providing recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques.

Required Education, Experience, & Skills

  • Bachelor's degree and at least 5 years of experience (additional experience may be substituted for the degree)
  • DoD 8570 certification - Security + and OS cert, Linux+, RedHat, etc. (90-day waiver may be provided to obtain the OS certification)
  • Willingness to occasionally work after hours and/or respond to emergency situations for problem resolution
  • General knowledge of Linux and general 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

Preferred Education, Experience, & Skills

  • 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
  • Experience with BIND DNS
  • Experience with Ansible
  • Experience with Gitlab

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