Microsoft 365 Technical Specialist

Specialist Systems – Information and Technology Services

Location: Mississauga, ON – Hybrid

Status: Regular

Grade: MP4

Annual Pay Range: $111,072 – $158,704 (based on experience)

Date Posted: May 20, 2026

Job Purpose

Provide system support throughout the production life cycle of IT systems, including M365 services, hosting systems, and integration of commercial products. Contribute to the planning, design, implementation, and support of these systems to meet the needs of the IESO’s operations and customers.

Key Responsibilities

• Develop standards and specifications for I&TS managed systems, including M365 services.
• Design, build, and operate hosting systems, incorporating M365 services, servers, and network components.
• Manage end‑to‑end lifecycle of M365 services: design, deployment, enhancement, troubleshooting, and reliability improvement.
• Provide system design exper...