Montreal Senior Administrator, Unix/Linux

Domtar Corporation

montreal, montreal (administrative region), Canada
Full-time
Posted May 25, 2026

Job Description

Join Domtar as a Senior Administrator specializing in Unix/Linux located in downtown Montreal. This hybrid role focuses on automation, security, and system reliability to support operational excellence.

The Infrastructure and Operations group at Domtar is looking for a Senior Administrator to maintain and enhance their Linux/UNIX systems. In this role, you will oversee crucial responsibilities from platform administration to security compliance, ensuring high levels of availability and performance. Your experience with automation and mentoring will significantly impact the team's success.

Key Responsibilities:
• Administer Linux/UNIX systems including RHEL and HP-UX
• Manage system availability and implement monitoring tools
• Enforce security standards and compliance measures
• Streamline operations through automation with shell scripting
• Mentor junior technicians and provide technical documentation

Requirements: