Senior System Engineer

publicISP

Full-time Other-General
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Location
toronto, on, Canada
Posted
May 25, 2026

Job Description

At PublicISP, we’re growing fast, new clients, environments, and technical challenges. The Senior Systems Engineer is responsible for delivering and maintaining the core infrastructure our clients depend on. From server deployments to complex migrations, this role takes ownership, handles the work that sits beyond the helpdesk, and ensures our environments are built correctly from the start.

Job Responsibilities

Infrastructure Engineering: Design and implement Windows Server environments, including Active Directory, Entra ID, and identity architecture

Project Execution: Lead end-to-end delivery of infrastructure projects including server builds, domain migrations, cloud transitions, and environment upgrades

Systems Ownership: Maintain and optimize client and internal systems including Windows Server, Microsoft 365, SaaS platforms, file services, and identity platforms

Virtualization & Backup: Deploy and manage Hyper‑V infrastructure, storage...