Linux System Administrator

$68,900 - $124,550/Yr

Leidos - Vicksburg, MS

Full-time - Mid Level

Vicksburg, MS

Professional, Scientific, and Technical Services

About the position

Leidos is seeking a Senior Linux Administrator to support the Engineering Research and Development Center (ERDC) in Vicksburg, Mississippi. The role involves standard Linux system administration duties, ensuring the smooth operation of multi-user computer systems, including Linux-based application servers, virtual machines, and GP/GPU cluster systems. The administrator will work closely with network administrators and participate in the installation and maintenance of high-performance computing (HPC) systems.

Responsibilities

• Perform standard Linux System Administration duties to maintain smooth operation of multi-user computer systems.
• Set up administrator and service accounts, maintain system documentation, and tune system performance.
• Install system-wide software and allocate mass storage space.
• Develop and monitor policies and standards for resource allocation related to computing resources.
• Participate in the installation, integration, acceptance testing, and ongoing maintenance of HPC systems and software environment.
• Assist with forecasting resource limitations and provide recommendations for increasing resource efficiency through proper scheduling and load balancing.

Requirements

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

Nice-to-haves

• Experience with compiling, installing, and porting software.
• Ability to understand application scaling issues related to problem resolution and algorithm choice.
• Experience with Storage Architectures: SAN, SAS, FC, SATA, Bandwidth, Performance.
• Ability to manage development of application benchmarks and analyze results for optimal configurations.
• Familiarity with multi-factor authentication platforms and solutions, and Identity Management such as OpenID, LDAP, and Kerberos.
• Experience with security implementations using multi-factor authentication, PKI, or Kerberos and Unix OS hardening to DoD STIG standards.
• Experience programming or troubleshooting Python code.
• Experience supporting Apache Web Server.
• Experience with Zabbix, Red Hat Satellite, or Red Hat Identity Manager.
• Experience with BIND DNS, Ansible, and Gitlab.

Benefits

• Competitive salary based on experience and education.
• Potential for after-hours support and emergency response compensation.