Linux System Administrator

4 weeks ago

Vicksburg, Mississippi, United States IMRI Full time
Job Title: Senior Linux System Administrator

IMRI is seeking a highly skilled Senior Linux System Administrator to join our team. The ideal candidate will have at least 5 years of experience in Linux system administration, with a strong background in provisioning, patching, and troubleshooting Red Hat Virtual and physical Linux systems.

Key Responsibilities:

  • Provisioning and managing Linux systems, including installation, configuration, and maintenance.
  • Ensuring the security and compliance of Linux systems, including DoD STIG standards.
  • Developing and implementing policies and standards for the use of computing resources.
  • Participating in the installation, integration, acceptance testing, and ongoing maintenance of HPC systems and software environment.
  • Assisting with forecast resource limitations and providing recommendations for increasing the efficiency of resources through proper scheduling and load balancing techniques.

Requirements:

  • Bachelor's degree and at least 5 years of experience in Linux system administration.
  • DoD 8570 certification - Security + and OS certification, Linux+, RedHat, etc.
  • 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 Qualifications:

  • 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.
  • 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.
  • Experience with Gitlab.

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