Senior Systems Administrator (Windows/Exchange)

Senior Systems Administrator (Windows/Exchange) – 6-Month Contract
We’re looking for a hands-on Senior Systems Administrator to join our IT Infrastructure team on a 6-month contract! You’ll play a key role in maintaining, supporting, and securing our hybrid IT environment, spanning Exchange, Windows Server, Azure, Active Directory, and Veeam.
What You’ll Do:
Administer and optimize Microsoft Exchange (on-prem & Online), mail flow, connectors, and hybrid configurations.
Lead Windows Server upgrade projects (2016 → 2024/2025) with minimal downtime.
Manage Active Directory, Group Policies, and domain infrastructure.
Support and maintain Azure Cloud environments, including Azure Stack HCI.
Ensure security, compliance, and vulnerability remediation.
Mentor junior team members and act as a technical escalation point.
What You Bring:
7–10 years in Windows Server & Exchange administration
3–5 years working with Azure, Office 365, or cloud integrations
Strong experience with PowerShell scripting and virtual infrastructure (VMware, Hyper-V)
Expertise in backup & recovery solutions (Veeam preferred)
Excellent problem-solving, communication, and teamwork skills
Location: Hybrid (4 days in office) – Toronto, Calgary, Ottawa, or Vancouver
If you’re a senior-level admin who thrives on leading upgrades, solving complex IT challenges, and working across hybrid environments, we want to hear from you! Send your resume to tinak@corgta.com