HP-UX System Administrator

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

Technical recruiter (HCL America, Persistent system and Canada)

Location: Spring, TX 77389- onsite

Contract

12 years of experience required

Visa: USC, Green card, E3 visa, TN visa

Job Summary: We are seeking an experienced L3 System Administrator with deep expertise in Linux (RHEL/SUSE) and HP-UX environments. This role involves advanced troubleshooting, performance tuning, patching, clustering, and automation across mission‑critical infrastructure. The ideal candidate will be responsible for ensuring high availability, security, and compliance of Unix/Linux systems.

Key Responsibilities:

• Perform OS installation, patching, upgrades, and security hardening.
• Manage Red Hat Satellite Server for patching and lifecycle automation.
• Configure and troubleshoot LVM, NFS, SAN storage, and cluster file systems.
• Conduct crash diagnostics using kdump, kexec, and core dump analysis.
• Optimize performance using tools like perf, strace, and OSWatcher.

HP-UX Administration

• Manage LVM, cluster file system creation, and volume resizing.
• Handle failover/failback operations in ServiceGuard cluster environments.
• Perform OS patching, firmware updates, and advanced troubleshooting.
• Use tools like SAM, Ignite-UX, GlancePlus, and MeasureWare.

Automation & Monitoring

• Develop scripts using Ansible and Shell for automation and monitoring.
• Configure logging and health checks using rsyslog, OSWatcher, etc.

Security & Compliance

• Collaborate with security teams for vulnerability remediation.
• Implement system hardening and ensure compliance with IT policies.

Incident & Problem Management

• Provide L3 support for critical incidents and root cause analysis.
• Document resolutions and contribute to knowledge base and SOPs.

Required Skills:

• 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.
• Proficiency in Red Hat Satellite Server, LVM, clustering, and SAN/NAS storage.
• Advanced troubleshooting and performance tuning skills.
• Strong scripting knowledge (Shell, Ansible).

Preferred Qualifications:

• Certifications: RHCSA/RHCE, SLES, HP-UX Certified System Administrator.
• Experience in cloud-based Linux environments (AWS, Azure).
• Familiarity with ITIL processes and enterprise-grade monitoring tools.

Ritesh Rawat
Raas infotek corporation
262 Chapman road, Suite 105A, Newark, DE-19702
Phone: [phone] Ext: 142