Senior Linux 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 .

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