Linux System Administrator, Senior (Secret Clearance) - (211) Share this job as a link in your status update to LinkedIn. 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.