Assistant M365 Administrator

Position Overview

Ontario Power Generation (OPG) is seeking a motivated and results-oriented Assistant Microsoft 365 Administrator to support its enterprise collaboration platforms. This permanent full-time role, based in Oshawa, Ontario, offers the chance to work with a diverse power generation company committed to a sustainable future.

Key Responsibilities

• Manage day-to-day Microsoft 365 platform services including SharePoint Online, Microsoft Teams, OneDrive, Exchange Online, Microsoft Copilot, and Power Platform solutions.
• Provide timely operational support by responding to service requests and incidents following defined service levels and protocols.
• Administrate permissions, security groups, and role-based access control for Microsoft 365 while enforcing governance and security policies.
• Troubleshoot platform issues, conduct root cause analyses, and apply corrective measures to ensure system reliability.
• Develop and update documentation including technical manuals, user guides, operational procedures, and knowledge base articles.
• Participate in audits, compliance reporting, and data analysis to uphold governance standards.
• Contribute to automation initiatives utilizing Power Automate, PowerShell, and Microsoft Graph APIs to streamline processes and improve service delivery.

Candidate Qualifications

• Bachelor's degree in Information Technology, Computer Science, Software Engineering, Business Technology Management, or related disciplines.
• At least two years of professional experience administering and supporting Microsoft 365 services in a corporate context.
• Proficiency with Microsoft 365 workloads such as SharePoint Online, Teams, OneDrive, Exchange Online, Microsoft Copilot, and Power Platform.
• Strong skills in user support, incident resolution, access and permissions management within Microsoft 365 environments.
• Good understanding of Microsoft 365 governance frameworks, collaboration tools, and security best practices.
• Analytical aptitude to diagnose and resolve complex technical problems independently and collaboratively.
• Excellent communication, customer service orientation, and documentation capabilities.
• Experience with automation and scripting tools like PowerShell and Microsoft Graph, and familiarity with IT service management (ITSM) processes are advantageous.

Additional Information

• Status: Permanent full-time position.
• Location: Oshawa, Ontario.
• Shift: Daytime hours.
• Travel: None required.
• Application Deadline: July 21, 2026.
• Salary Range: $1764 to $2663 per week, dependent on qualifications and experience.
• OPG fosters diversity, inclusion, and equity; applicants requiring accommodation during the hiring process are encouraged to contact the company.
• The company prioritizes employment equity and may give preference to candidates from underrepresented groups.
• Applications will be reviewed carefully, including a combination of AI screening and human assessment.

About Ontario Power Generation

OPG is Ontario’s largest electricity generator, supplying about half of the province’s electricity largely from clean sources like nuclear and hydroelectric power. The organization is focused on innovation and sustainability, including projects related to Small Modular Reactors and electrification to meet growing energy demands.