Linux System Administrator, Senior (Secret Clearance)

Job Title Linux System Administrator, Senior (Secret Clearance) Education Bachelor's Degree Job Type Full-time Job Classification Salaried Salary Grade Location Vicksburg, MS US (Primary) Travel Job Description 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.