M365 Exchange Administrator
Top Benefits
About the role
**Location:**Pickering, ON, CA, L1W 4A7
Req ID: 52484
Status: Regular Full Time
Working Conditions: Hybrid
Education Level: 4 year University education in Computer Science or equivalent education.
Base Location: Oshawa, ON
Shifts(s): Days
Travel: 10%
Deadline to Apply: August, 15, 2025
Salary Range: $1,704.68 - $2,924.93 Per Week
Electrify your career and help build a brighter tomorrow.
Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.
Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on - and off - the job.
JOB OVERVIEW
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of M365 Exchange Administrator.
Reporting to the Section Head, Microsoft Apps Services, this position is responsible for ensuring the reliability, security, and efficiency of an OPG’s Microsoft 365 environment, with a primary focus on Exchange Administration. This includes managing and optimizing email services, maintaining high availability, and supporting secure communications across the enterprise. In addition to Exchange, this Administrator provides backup support for other M365-related services (including Teams, SharePoint, OneDrive, and Power Platform) working collaboratively with team members to ensure seamless operations and business continuity.
The scope of related information technology may include hardware, software, and operational processes related to any or all of: computers, peripheral equipment, networks, data communications, and office equipment. Provide consultative, advisory, training and educational services, and act as a team leader on complex activities.
KEY ACCOUNTABILITIES
- Exchange Administration: Oversee all aspects of Exchange Online, including mailbox management, distribution groups, shared mailboxes, mail flow rules, retention policies, spam and malware filtering, and hybrid configurations. Manage accounts and permissions within the Microsoft 365 and Exchange admin centers, and Azure Active Directory, ensuring compliance with organizational policies. In-depth knowledge of Exchange Server versions, including installation, configuration, and troubleshooting. Develop and maintain PowerShell scripts for automation of Exchange and M365 administrative tasks, improving efficiency and consistency.
- Support & Troubleshooting: Provide expert-level support for Exchange issues. Assist, and provide guidance to users and line management, both within and outside of the division. Serve as a backup resource for other M365 services (Teams, SharePoint, OneDrive, etc.), assisting end-users and collaborating with other administrators as needed.
- Security & Compliance: Implement and monitor security measures for Exchange, including anti-phishing, DLP, eDiscovery, retention policies, and multi-factor authentication. Support organizational compliance initiatives across all M365 services.
- Monitoring & Reporting: Utilize Microsoft 365 admin tools and PowerShell scripts to monitor system health, execute purges, generate usage and performance reports, and proactively address potential issues or updates which may impact the tenant. Monitor the effectiveness and efficiency of use of products, systems, or databases in production, and recommend corrective actions.
- Incident Response & Problem Management: Resolve emergency problems under time constraints, identify latent (underlying or recurring) problems, and implement changes or workarounds to eliminate or mitigate their impact. Complete root cause analysis for major incidents and prepare detailed written reports documenting findings and corrective actions.
- Collaboration & Backup Support: Work closely with other M365 administrators (SharePoint, Teams, OneDrive, Power Platform) to provide backup coverage, share knowledge, and ensure continuity of all M365 services during absences or peak workloads.
- Continuous Improvement & Documentation: Stay up-to-date with the latest M365 features and best practices. Create and maintain comprehensive documentation for Exchange administration and related processes. Advise and assist users concerning the production use of systems, products, or databases. Implement and document enhancements and changes to meet new user needs.
QUALIFICATIONS
- Requires a four-year university education in computer science or equivalent education.
- Requires over 6 years of experience as an Exchange Administrator including: Knowledge of email security, compliance, and hybrid Exchange configurations. Proficiency with PowerShell scripting for Exchange and M365 automation. Excellent troubleshooting, communication, and documentation skills.
- Ability to work collaboratively and provide backup support to other administrators, and familiarity with other M365 services (Teams, SharePoint, OneDrive, Power Platform).
- Relevant Microsoft certifications (e.g., Microsoft 365 Certified: Messaging Administrator Associate, or other relevant to Administrator Expert) are highly desirable.
- Requires experience to be able to define users' information technology requirements for all but the most complex problems, and to design, develop, acquire, and implement the required systems, databases, and information technology products and related services.
- Requires experience to understand new and existing information processing concepts, computer and communications equipment, and software.
- Requires a knowledge of the principles of computing equipment, methods, systems analysis and design, data management, work simplification, communications, and computer programming to enable creative logical reasoning in regard to the design and effective use of systems and databases, computer programming activities, and related matters.
- Requires a knowledge of computer science to gain an appreciation of design concepts related to computing equipment and software, in order to provide computerized solutions to varying OPG requirements.
The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.
OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the application or interview process, please contact AODA@opg.com.
What makes a career at OPG different?
With operations across Ontario and the United States, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.
As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.
#LI-Hybrid
.
The base salary range considers many factors including, but not limited to experience, education, and training, including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range, and salary is dependent on numerous factors. For management roles, the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.
OPG is committed to employment equity. As such, we encourage applicants from equity-seeking communities (Indigenous Peoples, racialized persons, persons with disabilities, and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.
In order to fulfill the above-mentioned purpose, priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.
About Ontario Power Generation
At Ontario Power Generation (OPG), our power is changing the world as we strive to electrify life in one generation. As the province’s largest clean power generator, OPG operates one of North America’s most diverse generating fleets. We are now advancing several clean energy innovations, including Small Modular Reactors, low-carbon hydrogen, and energy storage, to help set Ontario and the world on the path to an electrified future, where more aspects of life – from cars to homes and industries – are powered by clean electricity. As part of this vision, we’re also focused on becoming a net-zero company by 2040 and enabling a net-zero economy by 2050. We have already made major strides to a sustainable future. In 2014, OPG burned its last piece of coal to make electricity, which represented one of the world’s single-largest climate change-specific actions. Today, through the dedication of more than 9,500 employees, OPG generates almost half of the electricity that Ontario’s homes, schools, hospitals, and businesses rely on each day. We are committed to ensuring our energy production is reliable, safe, and environmentally sustainable for Ontarians today and for the future. In Ontario, our diverse fleet includes two nuclear stations, 66 hydroelectric stations, two thermal generating stations, one solar facility, and four combined-cycle gas generating stations, which are operated by our subsidiary, Atura Power. Additionally, we own two other nuclear generating stations in Ontario, which are leased on a long-term basis to Bruce Power L.P. In the United States, OPG owns and operates 85 hydroelectric stations in 18 states through our subsidiary, Eagle Creek Renewable Energy. Some of the actions OPG is taking now to prepare for our electric future include the ongoing refurbishment and upgrades of our hydro fleet, refurbishment of our Darlington Nuclear Generating Station, which will secure 30 more years of clean, reliable, low-cost power.
M365 Exchange Administrator
Top Benefits
About the role
**Location:**Pickering, ON, CA, L1W 4A7
Req ID: 52484
Status: Regular Full Time
Working Conditions: Hybrid
Education Level: 4 year University education in Computer Science or equivalent education.
Base Location: Oshawa, ON
Shifts(s): Days
Travel: 10%
Deadline to Apply: August, 15, 2025
Salary Range: $1,704.68 - $2,924.93 Per Week
Electrify your career and help build a brighter tomorrow.
Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.
Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on - and off - the job.
JOB OVERVIEW
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of M365 Exchange Administrator.
Reporting to the Section Head, Microsoft Apps Services, this position is responsible for ensuring the reliability, security, and efficiency of an OPG’s Microsoft 365 environment, with a primary focus on Exchange Administration. This includes managing and optimizing email services, maintaining high availability, and supporting secure communications across the enterprise. In addition to Exchange, this Administrator provides backup support for other M365-related services (including Teams, SharePoint, OneDrive, and Power Platform) working collaboratively with team members to ensure seamless operations and business continuity.
The scope of related information technology may include hardware, software, and operational processes related to any or all of: computers, peripheral equipment, networks, data communications, and office equipment. Provide consultative, advisory, training and educational services, and act as a team leader on complex activities.
KEY ACCOUNTABILITIES
- Exchange Administration: Oversee all aspects of Exchange Online, including mailbox management, distribution groups, shared mailboxes, mail flow rules, retention policies, spam and malware filtering, and hybrid configurations. Manage accounts and permissions within the Microsoft 365 and Exchange admin centers, and Azure Active Directory, ensuring compliance with organizational policies. In-depth knowledge of Exchange Server versions, including installation, configuration, and troubleshooting. Develop and maintain PowerShell scripts for automation of Exchange and M365 administrative tasks, improving efficiency and consistency.
- Support & Troubleshooting: Provide expert-level support for Exchange issues. Assist, and provide guidance to users and line management, both within and outside of the division. Serve as a backup resource for other M365 services (Teams, SharePoint, OneDrive, etc.), assisting end-users and collaborating with other administrators as needed.
- Security & Compliance: Implement and monitor security measures for Exchange, including anti-phishing, DLP, eDiscovery, retention policies, and multi-factor authentication. Support organizational compliance initiatives across all M365 services.
- Monitoring & Reporting: Utilize Microsoft 365 admin tools and PowerShell scripts to monitor system health, execute purges, generate usage and performance reports, and proactively address potential issues or updates which may impact the tenant. Monitor the effectiveness and efficiency of use of products, systems, or databases in production, and recommend corrective actions.
- Incident Response & Problem Management: Resolve emergency problems under time constraints, identify latent (underlying or recurring) problems, and implement changes or workarounds to eliminate or mitigate their impact. Complete root cause analysis for major incidents and prepare detailed written reports documenting findings and corrective actions.
- Collaboration & Backup Support: Work closely with other M365 administrators (SharePoint, Teams, OneDrive, Power Platform) to provide backup coverage, share knowledge, and ensure continuity of all M365 services during absences or peak workloads.
- Continuous Improvement & Documentation: Stay up-to-date with the latest M365 features and best practices. Create and maintain comprehensive documentation for Exchange administration and related processes. Advise and assist users concerning the production use of systems, products, or databases. Implement and document enhancements and changes to meet new user needs.
QUALIFICATIONS
- Requires a four-year university education in computer science or equivalent education.
- Requires over 6 years of experience as an Exchange Administrator including: Knowledge of email security, compliance, and hybrid Exchange configurations. Proficiency with PowerShell scripting for Exchange and M365 automation. Excellent troubleshooting, communication, and documentation skills.
- Ability to work collaboratively and provide backup support to other administrators, and familiarity with other M365 services (Teams, SharePoint, OneDrive, Power Platform).
- Relevant Microsoft certifications (e.g., Microsoft 365 Certified: Messaging Administrator Associate, or other relevant to Administrator Expert) are highly desirable.
- Requires experience to be able to define users' information technology requirements for all but the most complex problems, and to design, develop, acquire, and implement the required systems, databases, and information technology products and related services.
- Requires experience to understand new and existing information processing concepts, computer and communications equipment, and software.
- Requires a knowledge of the principles of computing equipment, methods, systems analysis and design, data management, work simplification, communications, and computer programming to enable creative logical reasoning in regard to the design and effective use of systems and databases, computer programming activities, and related matters.
- Requires a knowledge of computer science to gain an appreciation of design concepts related to computing equipment and software, in order to provide computerized solutions to varying OPG requirements.
The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.
OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the application or interview process, please contact AODA@opg.com.
What makes a career at OPG different?
With operations across Ontario and the United States, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.
As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.
#LI-Hybrid
.
The base salary range considers many factors including, but not limited to experience, education, and training, including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range, and salary is dependent on numerous factors. For management roles, the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.
OPG is committed to employment equity. As such, we encourage applicants from equity-seeking communities (Indigenous Peoples, racialized persons, persons with disabilities, and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.
In order to fulfill the above-mentioned purpose, priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.
About Ontario Power Generation
At Ontario Power Generation (OPG), our power is changing the world as we strive to electrify life in one generation. As the province’s largest clean power generator, OPG operates one of North America’s most diverse generating fleets. We are now advancing several clean energy innovations, including Small Modular Reactors, low-carbon hydrogen, and energy storage, to help set Ontario and the world on the path to an electrified future, where more aspects of life – from cars to homes and industries – are powered by clean electricity. As part of this vision, we’re also focused on becoming a net-zero company by 2040 and enabling a net-zero economy by 2050. We have already made major strides to a sustainable future. In 2014, OPG burned its last piece of coal to make electricity, which represented one of the world’s single-largest climate change-specific actions. Today, through the dedication of more than 9,500 employees, OPG generates almost half of the electricity that Ontario’s homes, schools, hospitals, and businesses rely on each day. We are committed to ensuring our energy production is reliable, safe, and environmentally sustainable for Ontarians today and for the future. In Ontario, our diverse fleet includes two nuclear stations, 66 hydroelectric stations, two thermal generating stations, one solar facility, and four combined-cycle gas generating stations, which are operated by our subsidiary, Atura Power. Additionally, we own two other nuclear generating stations in Ontario, which are leased on a long-term basis to Bruce Power L.P. In the United States, OPG owns and operates 85 hydroelectric stations in 18 states through our subsidiary, Eagle Creek Renewable Energy. Some of the actions OPG is taking now to prepare for our electric future include the ongoing refurbishment and upgrades of our hydro fleet, refurbishment of our Darlington Nuclear Generating Station, which will secure 30 more years of clean, reliable, low-cost power.