Senior Linux Administrator — CentOS, Automation & Storage

Tekscend Photomask Corp.; Round Rock (TX); On-site; USD 80,000 - 130,000; Full time

Job summary

Tekscend Photomask Corp. is seeking an experienced Linux systems professional to support CentOS‑based platforms within a small team. You will install, maintain, and upgrade systems, automate tasks, and implement security controls. On-call rotation may be required.

Ideal candidates will have 4+ years in multi-OS environments, strong troubleshooting, and Perl scripting能力. Preferred qualifications include Rocky Linux knowledge and storage system experience.

Qualifications

• 4+ years of experience across multiple operating systems, mainly CentOS or similar Linux.
• Strong troubleshooting and problem-solving abilities.
• Automation scripting for system tasks using Perl or similar languages.
• Experience in client-server environments and system upgrades.
• Knowledge of I/O, networks, and OS-related components.
• Ability to work independently and research technical issues.
• College degree in CS or related field preferred.

Responsibilities

• Install, maintain, and upgrade computer hardware and software.
• Perform automated backups and restore testing through scripts.
• Implement security controls and reliability improvements.
• Provide off-hour on-call support in rotation.

Skills

Linux administration

System security

Shell scripting

Perl programming

Networking

Customer service

Communication

Teamwork

Education

Bachelor's degree in Computer Science

Tools

Rocky Linux

NetApp storage

Ansible

MariaDB/MySQL

Job description

Tekscend Photomask Corp. is seeking an experienced Linux systems professional to support CentOS‑based platforms within a small team. You will install, maintain, and upgrade systems, automate tasks, and implement security controls. On-call rotation may be required.

Ideal candidates will have 4+ years in multi-OS environments, strong troubleshooting, and Perl scripting能力. Preferred qualifications include Rocky Linux knowledge and storage system experience.