Senior Linux & Windows Systems Administrator

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Join BMO's IT Engineering & Operations team and help support and enhance our Digital Library applications. We are seeking an experienced Infrastructure Specialist with strong Linux and Windows administration expertise who thrives in complex enterprise environments.

What You'll Do

• Support, maintain, and optimize infrastructure supporting critical Digital Library applications.
• Administer and troubleshoot Linux and Windows server environments.
• Manage high-availability platforms, clustering, patching, upgrades, and production deployments.
• Monitor system performance and reliability, resolving complex infrastructure issues.
• Collaborate with application, security, and operations teams to deliver stable and secure solutions.
• Support automation, cloud, and infrastructure modernization initiatives.
• Participate in on-call support and scheduled maintenance activities.

Required Technical Skills

• Red Hat Enterprise Linux (RHEL) Administration (3-5+ years)
• RHEL 8 Clustering (Pacemaker/Corosync)
• Windows Server 2016+ Administration & Troubleshooting
• Windows SMB Failover Clustering
• Active Directory
• Networking Fundamentals
• IBM WebSphere Application Server Administration & Support

Preferred Qualifications

• 2+ years of enterprise infrastructure experience.
• Experience supporting highly available production environments.
• Exposure to cloud technologies, automation, and Infrastructure as Code (IaC).
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication and stakeholder management abilities.

Additional Information