The Linux System Administrator will perform standard duties as required to maintain smooth operation 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 required. Additional duties are:
• Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocate mass storage space
• Developing and monitoring policies and standards for allocation related to the use of computing resources
• Participating in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems and software environment
• Assisting with forecast resource limitations and provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques
May require occasional after hours support and response to emergency situations for problem resolution.
Required Skills and Experience
• Bachelor’s and five (5) years or more experience; master’s and three (3) years or more experience; PhD and 0 years related experience
• DoD 8570 Certification compliance – Security + and OS cert, Linux+, RedHat, etc. 90-day waiver may be provided to obtain the OS cert
• Extensive knowledge of Linux and 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
Desired Skills and Experience
• 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
Required Clearance
Must currently possess an active DoD Secret clearance with the ability to obtain and maintain a DoD Top Secret clearance.
EOE M/F/D/V
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