About The Position

The Sr. Specialist, Systems Administration is an experienced Linux Administrator responsible for maintaining a mixed Windows and Linux system environment. The position requires networking knowledge, system patching and STIG hardening, deployment using automation tools, and end-user support through the desktop level. The administrator communicates technical concerns and solutions to management and program engineering teams and leads IT projects locally. The role also provides managerial support for two on-site system administrators, including performance evaluations and budget management. The position is located in Tulsa, Oklahoma, and follows a 9/80 schedule: employees work nine out of 14 days, totaling 80 hours, and have every other Friday off.

Requirements

  • Bachelor’s degree and a minimum of 6 years of prior relevant experience; or a graduate degree and a minimum of 4 years of prior related experience; or, in lieu of a degree, a minimum of 10 years of prior related experience.
  • 8 years of experience with Red Hat Linux administration, networking (TCP/IP, network interfaces, and subnets), shell scripting, troubleshooting, and cybersecurity practices such as patch management, STIG compliance, and system accreditation.
  • Current/active Secret security clearance.

Nice To Haves

  • CompTIA Security+, CISSP, or another DoD 8140-approved certification.
  • Ability to function independently with minimal direction.
  • Willingness to train and adapt to new technologies.
  • Ability to function in a team environment and collaborate with other team members.
  • Good interpersonal skills for interfacing with direct reports, users, and business/program management.
  • Experience with LDAP, VMware, Citrix, Centrify, or VDI.
  • Experience authenticating RHEL logins to Active Directory.
  • Experience with automation and enterprise deployment tools such as Satellite, Ansible, and Kickstart.
  • Knowledge of storage appliances such as NetApp.
  • Familiarity with backup concepts and solutions such as CommVault.
  • Working knowledge of Samba and NFS.

Responsibilities

  • Administer and maintain Red Hat Linux servers and workstations.
  • Ensure compliance with computer security policy, including NIST 800-53 and DISA STIGs.
  • Respond to support tickets and interface with users.
  • Develop and monitor policies and standards, and create documentation related to the use of computing resources.
  • Interact with business and program leadership to evaluate vendor products and recommend hardware and software.
  • Provide managerial support for the on-site system administration team, including performance evaluations and budget management.
  • Lead local IT projects and communicate technical concerns and solutions to management and program engineering teams.
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