JOB OVERVIEW
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Lead Microsoft 365 Platform Administrator.
Reporting to the Section Manager, Microsoft Application Services, this position serves as the senior technical subject matter expert for OPG's Microsoft 365 platform, including SharePoint Online, Teams, OneDrive, Microsoft Copilot, Power Platform (Power Apps and Power Automate), and Exchange Online.
The successful candidate will provide advanced technical expertise, platform governance, operational support, security administration, and service optimization across the Microsoft 365 ecosystem. They will act as the escalation point for complex technical issues, investigations, data analysis, automation initiatives, and platform enhancements while ensuring a secure, reliable, and well-governed environment.
This role requires a strong focus on knowledge sharing, technical mentorship, and collaboration, serving as a trusted advisor and resource for team members, stakeholders, and business partners. The successful candidate will continuously evaluate emerging Microsoft capabilities, product updates, and best practices to ensure OPG maximizes value from its Microsoft 365 investments.
KEY ACCOUNTABILITIES
- Act as the senior technical authority and escalation point for Microsoft 365 services, providing expertise and guidance for complex operational issues, investigations, and platform challenges.
- Administer, support, and enhance Microsoft 365 services, including SharePoint Online, Teams, OneDrive, Microsoft Copilot, Power Platform, and Exchange Online.
- Lead technical investigations, data analysis, and root cause assessments related to platform incidents, security events, service performance issues, and user-reported concerns.
- Design, implement, and maintain governance, security, compliance, and role-based access control (RBAC) standards across Microsoft 365 services.
- Monitor and assess Microsoft product updates, roadmap changes, licensing impacts, and new platform capabilities, providing recommendations and implementation guidance.
- Develop and maintain automation solutions using PowerShell, Microsoft Graph, Power Automate, and other supported technologies to improve operational efficiency and service delivery.
- Collaborate with business stakeholders, cybersecurity teams, infrastructure teams, and application teams to ensure successful integration and adoption of Microsoft 365 services.
- Perform other duties as required in support of organizational objectives.
QUALIFICATIONS
- Four-year university degree in Computer Science, Information Technology, Information Systems, Engineering, or a related discipline.
- 6+ years of progressive experience administering and supporting Microsoft 365 services in a medium-to-large enterprise environment.
- Experience managing Microsoft 365, security, governance, compliance, permissions, and RBAC models.
- Experience performing technical investigations, auditing, reporting, and data analysis within Microsoft 365 services.
- Demonstrated ability to serve as a trusted technical advisor and subject matter expert.
- Strong analytical and problem-solving skills, with the ability to investigate complex issues and identify practical solutions.
- Excellent communication and interpersonal skills, with the ability to translate technical concepts for both technical and non-technical audiences.
- Proven ability to mentor, coach, and support team members through knowledge sharing and collaborative problem solving.
Ontario Power Generation
700 University Ave
Toronto
Ontario Canada
www.opg.com
