Lead Linux SysAdmin - 9/80, Secret Clearance

Harris Geospatial Solutions; Tulsa (OK); On-site; USD 110,000 - 140,000; Full time

Job summary

L3Harris Technologies is seeking an experienced Linux Administrator (Sr. Specialist, Systems Administration) to maintain a mixed Windows and Linux environment in Tulsa, OK.

You will patch systems, harden with STIGs, deploy with automation tools, and lead local IT projects while supporting two on-site admins. This role requires strong networking, scripting, and security credentials, plus the ability to communicate with management and program teams.

Qualifications

• Bachelor’s Degree and minimum 6 years of prior relevant experience.
• 8 years of experience in/with: Red Hat Linux administration, networking (TCP/IP, network interfaces, subnets), shell scripting, troubleshooting, cybersecurity practices (patch management, STIG compliance, system accreditation, etc.)
• Current/Active Secret Security Clearance

Responsibilities

• Maintain Red Hat Linux servers and workstations.
• Ensure compliance with security policy including NIST 800-53 and DISA STIGs.
• Respond to support tickets and interface with users.

Skills

Linux admin

Networking

Automation tools

Education

Bachelor's Degree

Graduate Degree

Tools

Red Hat

LDAP

VMware

Samba

NFS

Job description

L3Harris Technologies is seeking an experienced Linux Administrator (Sr. Specialist, Systems Administration) to maintain a mixed Windows and Linux environment in Tulsa, OK.

You will patch systems, harden with STIGs, deploy with automation tools, and lead local IT projects while supporting two on-site admins. This role requires strong networking, scripting, and security credentials, plus the ability to communicate with management and program teams.