(Linux Administrator) Sr. Specialist, Systems Administration 1

L3Harris Technologies • Tulsa, OK

12d

About The Position

The Sr. Specialist, Systems Administration is an experienced Linux Administrator responsible for maintaining a mixed Windows and Linux system environment. The role administers Red Hat Linux servers and workstations, supports users through ticket response and desktop-level support, and ensures systems comply with security policies, including NIST 800-53 and DISA STIGs. The position also develops and monitors computing policies and standards, documents resource usage, and communicates technical concerns and solutions to management and program engineering teams.

The role leads IT projects at the local level and provides managerial support for two on-site system administrators, including performance evaluations and budget management. It also works with business and program leadership to evaluate vendor products and recommend hardware and software.

The schedule is 9/80: employees work nine days out of each 14-day period, totaling 80 hours, with every other Friday off. The position is located in Tulsa, Oklahoma.

Requirements

• Bachelor’s degree and at least 6 years of prior relevant experience; or a graduate degree and at least 4 years of prior related experience; or, in lieu of a degree, at least 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 and active Secret security clearance.

Nice To Haves

• CompTIA Security+, CISSP, or another DoD 8140-approved certification.
• Ability to work independently with minimal direction.
• Willingness to train and adapt to new technologies.
• Ability to work in a team and collaborate with other team members.
• Good interpersonal skills for interfacing with direct reports, users, and business or 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, or 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 policies, including NIST 800-53 and DISA STIGs.
• Respond to support tickets and interface with users.
• Develop and monitor policies and standards, and prepare documentation related to computing resources.
• Work with business and program leadership to evaluate vendor products and recommend hardware and software.
• Provide managerial support to the on-site system administration team, including performance evaluations and budget management.
• Lead IT projects at the local level.
• Communicate technical concerns and solutions to management and program engineering teams.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior