Senior Systems Administrator - Hybrid Cloud & It Leadership

GlassHouse Systems is seeking a Senior Systems Administrator to lead hands‑on infrastructure efforts and mentor the IT team across internal and managed services environments. The role includes serving as the technical escalation point for complex incidents, guiding security, backups, and cloud strategies.You will support hybrid infrastructure across on‑premises, Microsoft 365, Azure, and other cloud platforms, with three days a week in the Toronto office.
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