Linux System Administrator

About the job
Must have an active secret clearance, as well as a Security+ certification. Looking for 10+ years of IT experience. Work is 100% on site in Dahlgren, VA!

Answering questions about installation, operation, configuration, and customization. 
Applying advanced diagnostic techniques to identify problems, investigate causes and recommend solutions to correct common failures. 
Specific support consists of troubleshooting hardware, software, and network related issues encountered by users. 
Software support includes, but not limited to Windows and Linux/Unix operating systems, Microsoft Office Suite, and various specialty engineering and scientific development tools. 
Installation of new software releases, system upgrades, evaluation, and installation of patches and to resolve software related issues and Information Assurance Vulnerabilities (IAVs). 
10-15 years of Systems Administration experience in a real-world setting at a complex site (i.e., more than 100 computers running multiple operating systems) demonstrating experience in leading a computer technology effort including planning, scheduling, forecasting, and evaluating associated endeavors .Ability to work independently or as part of a team with no supervision from senior leadership.
Ability to streamline IT management and team efficiency through the use of automation and orchestration tools (e.g. Ansible, Puppet).
Advanced understanding of operating system concepts, system interconnectivity, virtualization, hardware and software management, active directory and group policy, file systems, client/server interoperability, performance analysis, system vulnerability assessment, remediation, and prevention.
Strong ability to write shell scripts using scripting languages (sh, csh, ksh, bash, tsch, Perl, Python etc.).
Experience with automating system tasks using cron.
Experience using SystemD commands.
Experience with Linux process manipulation.
Experience administrating Red Hat Linux, Solaris, and HP-UX.
Experience creating NFS and Samba shares.
Experience with Red Hat Satellite Server.