Linux Systems Administrator

Sentrillion - Vicksburg, MS

Full-time

Vicksburg, MS

Professional, Scientific, and Technical Services

About the position

The position involves maintaining the smooth operations of multi-user computer systems, including Linux-based application and license servers, virtual machines, and GP/GPU cluster systems. The role requires coordination with network administrators and entails responsibilities such as setting up administrator accounts, maintaining system documentation, tuning system performance, and developing policies for resource allocation. The candidate will also participate in the installation and maintenance of HPC systems and software environments, while providing recommendations for resource efficiency.

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.
• Coordinate 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.

Requirements

• 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.
• 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.