Linux System Administrator

Senior Linux Administrator

Location: Dallas, TX 75236 – 100% Onsite

Engagement: 12+ Month Contract / Potential Contract-to-Hire

Access: Sensitive

Work Authorization: U.S. Citizen or Green Card Holder required

Position Overview

We are seeking a Senior Linux Administrator to support Linux environments used across a large, geographically distributed Point-of-Sale (POS) infrastructure. This is a hands-on role responsible for Linux OS image management, patching, troubleshooting, hardware integration and production support.

Responsibilities

• Create and maintain Linux OS images supporting POS locations worldwide.
• Manage ongoing Linux patching for devices deployed in the field.
• Troubleshoot escalated Linux/POS issues with technicians across multiple locations.
• Work with hardware vendors to ensure JPOS device drivers function properly with current and future hardware.
• Support Linux integration with enterprise systems and infrastructure.
• Participate in after-hours on-call support for priority production issues.

Required

• 5+ years Linux OS Administration experience; SUSE strongly preferred.
• 5+ years scripting experience using Bash, KSH, Perl and/or Python.
• Strong hands-on Linux troubleshooting and production support experience.
• Must be able to work 100% onsite in South Dallas (75236).
• Must be a U.S. Citizen or Green Card Holder due to sensitive-access requirements.

Preferred

• Samba/Winbind experience, including joining Linux systems to Windows Active Directory.
• Automation experience with Ansible, Puppet or similar tools.
• Jira/test case management experience.
• Experience supporting POS, distributed devices or geographically dispersed production environments.