Linux Systems Administrator

3 months ago

Vicksburg, United States Sentrillion Full time
RESPONSIBILITIES

Maintain smooth operations 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.
  • Setup administrator and service accounts, maintain system documentation, tune system performance, install system wide software and allocate mass storage space.
  • Develop and monitor policies and standards for allocation related to the use of computing resources.
  • Participate in the installation, integration, acceptance testing, and on-going maintenance of HPC systems and software environment.
  • Assist with forecast resource limitations and provide recommendations for increasing the efficiency of resources through proper scheduling and load balancing techniques.

QUALIFICATIONS/EXPERIENCE

  • Bachelor's degree and at least 3 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)
  • General knowledge of Linux and general Unix operating systems concepts as well as systems administration experience
  • Experience with compiling, installing, and porting software.
  • Experience with Storage Architectures: SAN, SAS, FC, SATA, Bandwidth, Performance
  • 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

ABILITIES REQUIRED

  • Strong problem-solving skills; capable of analyzing and resolving hardware and operating system problems.
  • 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
  • Ability to understand application scaling issues related to problem resolution, algorithm choice.
  • 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.
  • Excellent verbal and written communications with all levels of management for planning and organizing site management projects.
  • Strong detail-oriented skills; able to multi-task and change priorities quickly.
  • Able to meet precise standards.
  • Strong team player.
  • Ability to work designated schedule, as well as maintain attendance and punctuality.
  • Ability to occasionally work after hours and/or respond to emergency situations for problem resolution.
  • Ability to obtain and maintain a top-secret security clearance.

Sentrillion is an EEO Employer / Protected Vet / Disabled

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