Senior Specialist, System Administration Jobs

Job Description

• Senior Specialist, System Administration role for L3Harris Technologies in Greenville, TX; fully on-site and full-time, with a 9/80 or 5/8 Monday–Friday schedule.
• Install, configure, maintain, troubleshoot, and optimize Linux and Windows Server infrastructure, including cloud instances, patching, monitoring, backups, disaster recovery, and high availability.
• Administer virtualization, Kubernetes, SDN/networking, infrastructure-as-code, CI/CD, identity and access management, and stateful platform components.
• Requires a Bachelor’s degree plus 6+ years of relevant experience, a graduate degree plus 4+ years, or 10+ years in lieu of a degree; active CompTIA Security+ certification and active security clearance are required.
• Supports defense technology and national-security programs; requires scripting with PowerShell, Bash, Python, or Perl, on-call/after-hours incident support, and compliance with internal policies and regulatory standards.