Job Title

Our client, a large enterprise organization with a strong focus on technology modernization and infrastructure reliability, is looking for a Senior Server Administrator to join their collaborative IT team. This is a full-time, permanent position ideal for someone who enjoys solving complex technical challenges, mentoring others, and driving automation across on-prem and cloud (primarily Azure) environments. You''ll work as part of a six-person infrastructure team, reporting directly to the Director of Infrastructure, and play a key role in maintaining, optimizing, and securing enterprise-level systems. What You''ll Do Manage, maintain, and optimize on-premises and Azure cloud servers in a large, enterprise environment. Lead server administration, migrations, upgrades, and patching to ensure stability and performance. Automate and streamline operational processes using PowerShell and Microsoft Graph. Collaborate with cross-functional teams to ensure system reliability, scalability, and security. Support disaster recovery, backups, and business continuity initiatives. Mentor junior administrators and serve as an escalation point for complex issues. Participate in the on-call rotation and provide after-hours support when needed. What You Bring 5+ years of experience supporting IT infrastructure in a complex or enterprise setting. Strong hands-on expertise in PowerShell scripting and Microsoft Graph. Experience managing Azure and Microsoft Server environments. Solid understanding of networking, virtualization, and security best practices. Proven troubleshooting, problem-solving, and communication skills. Ability to work 12 days per week onsite in Toronto (the team meets in office every Wednesday).