Senior Unix/Linux System Administrator (HP-UX & Linux)

Raas Infotek; Spring (TX); On-site; USD 80,000 - 110,000; Full time

Job summary

A technology services company is seeking an experienced L3 System Administrator with deep expertise in Linux and HP-UX environments. This role involves advanced troubleshooting, performance tuning, and automation across mission-critical infrastructure. The candidate will be responsible for ensuring high availability, security, and compliance of Unix/Linux systems. Required skills include strong experience in RHEL and HP-UX, automation scripting, and advanced performance tuning. Preferred qualifications include relevant certifications and experience in cloud-based environments.

Qualifications

• 7-10 years of experience in Linux and HP-UX system administration.
• Strong expertise in RHEL 7/8/9, SUSE Linux, and HP-UX 11.x.
• Advanced troubleshooting and performance tuning skills.

Responsibilities

• Perform OS installation, patching, upgrades, and security hardening.
• Manage Red Hat Satellite Server for lifecycle automation.
• Conduct crash diagnostics using kdump and core dump analysis.

Skills

Linux system administration

HP-UX system administration

Automated scripting (Ansible, Shell)

Performance tuning

Troubleshooting skills

Education

RHCSA/RHCE certification

SLES certification

HP-UX Certified System Administrator

Tools

Ansible

Red Hat Satellite Server

kexec

GlancePlus

Job description

A technology services company is seeking an experienced L3 System Administrator with deep expertise in Linux and HP-UX environments. This role involves advanced troubleshooting, performance tuning, and automation across mission-critical infrastructure. The candidate will be responsible for ensuring high availability, security, and compliance of Unix/Linux systems. Required skills include strong experience in RHEL and HP-UX, automation scripting, and advanced performance tuning. Preferred qualifications include relevant certifications and experience in cloud-based environments.