Linux System Administrator, Senior (Secret Clearance)

All In-Solutions is seeking a Linux System Administrator at a senior level to support a team of administrators with standard Linux system administration duties at ERDC in Vicksburg, Mississippi.

Primary Responsibilities

Perform standard Linux System Administration 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

• 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.

Required Education, Experience, & Skills :

• *Current Secret Clearance
• *Ability to obtain a Top Secret/SCI Clearance.
• *Bachelor’s degree and at least 5 years of experience
• *DoD 8570 certification - Security and OS cert, Linux , RedHat, etc. (90 day waiver may be provided to obtain the OS certification)
• Willingness to occasionally work after hours and/or respond to emergency situations for problem resolution.
• 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

Preferred Education, Experience, & Skills :

• 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

*Please note your application will not be consdiered without "*" qualifications above.