Senior Linux Systems Administrator - Lead & Automate

L3Harris Technologies, Inc.; Tulsa (OK); On-site; USD 90,000 - 120,000; Full time

Job summary

L3Harris Technologies, Inc. is seeking a Senior Linux Administrator to maintain a mixed Windows and Linux environment in Tulsa, OK. The role includes patching, STIG hardening, automation deployment, and end-user support, with leadership for two on-site admins.

Ideal candidates will have significant Red Hat Linux experience, strong networking, scripting, and cybersecurity practices, plus the ability to lead IT projects and communicate with program leadership.

Qualifications

• Bachelor's Degree is required or equivalent experience.
• 8+ years of Red Hat Linux administration, networking, scripting, and cybersecurity practices.
• Active Secret Security Clearance is required.

Responsibilities

• Administer and maintain Red Hat Linux servers and workstations.
• Ensure compliance with security policies (NIST 800-53, DISA STIGs).
• Respond to support tickets and interface with users effectively.

Skills

Red Hat Linux

Networking

Shell scripting

STIG compliance

Ansible

Kickstart

Satellite

Active Directory integration

Samba & NFS

Education

Bachelor's Degree

Graduate Degree

10 years of related experience in lieu of degree

Tools

Red Hat Linux

TCP/IP networking

Shell scripting

STIG compliance

Ansible

Job description

L3Harris Technologies, Inc. is seeking a Senior Linux Administrator to maintain a mixed Windows and Linux environment in Tulsa, OK. The role includes patching, STIG hardening, automation deployment, and end-user support, with leadership for two on-site admins.

Ideal candidates will have significant Red Hat Linux experience, strong networking, scripting, and cybersecurity practices, plus the ability to lead IT projects and communicate with program leadership.