Microsoft 365 Technical Specialist

INDEPENDENT ELECTRICITY SYSTEM OPERATOR (IESO)

Why join us?

You've got great skills. And you want to use them in an organization where you know what you do every day matters. We get that.

We also know that ensuring Ontarians have access to affordable and reliable power doesn't happen by accident. So we give you the tools, flexibility and support you need to achieve your goals, and development opportunities to help you grow. You'll thrive in a collaborative, team-based environment that values your unique skills and experiences - and recognizes that when you do better, we become even better too.

Who we are

The Independent Electricity System Operator (IESO) works at the centre of the province's power system, ensuring Ontarians have access to reliable and cost-effective electricity when and where they need it. We operate the province's electricity grid 24/7, design, run and oversee the wholesale electricity markets, and plan and prepare to meet Ontario's electricity needs - now and into the future.

The opportunity

Working as part of a dynamic team in a real time environment, as a seasoned Microsoft 365 (M365) technical specialist, you will spearhead the adoption and optimization of M365 services within the organization by leveraging your deep understanding of the platform, and provide system support during the production life cycle of information technology systems (developed by or purchased for IT&I) by establishing user requirements, system design, integration of commercial products, software development, enhancements, troubleshooting, preparing procedures, consulting, training and researching commercial products.

What you'll do

• Develop standards, participate in the development of strategic plans and provide operational and design specifications for Information and Technology Services (I&TS) managed systems, including M365 services.
• Provide systems design expertise to support the development of computer-based information systems/tools to meet the needs of customers by establishing user requirements, developing system designs, integrating commercial products, code software and test systems. Provide project management support to design projects/teams or information systems or tools.
• Design, build, and operate hosting systems which includes M365 services, and any relevant server and network components to deliver required system functions.
• Manage the evolution of existing M365 services, hosting systems, and tools by implementing enhancements to provide additional functionality, correct problems to improve reliability, maintainability, improve server management capabilities, and respond to advanced system problems or failures to restore system functionality.
• Perform M365 services and server management duties, prepare procedures and/or support personnel involved in M365 services and server management activities.
• Research commercial products and tools which can be used in the design or support of information systems and tools and perform ongoing assessments of their ability to meet current and future requirements.
• Provide systems consulting support to operations, maintenance or software development staff.
• Develop procedures required for the secure operation and management of information systems or tools. Perform hosting attestation to ensure compliance to set standards, meeting requirements, and identification of improvement opportunities.
• Act as a consultant or mentor to peers to advance their learning and facilitate their problem-solving skills with their respective areas of expertise.
• Perform other duties as required.

What you need to succeed

Must have [OR Required]

• Requires knowledge of computer science and programming to carry out technical, or analytical studies as it relates to the deployment and maintenance of M365 services (including Entra ID, Exchange, Teams, SharePoint, Purview, and more) as well as provide advice and guidance to others.
• Requires experience in the design, deployment, and support of M365 services and relevant computer systems.
• Requires knowledge of technical writing to prepare effective reports, procedures, and training materials.
• Experience in automation and scripting languages, including PowerShell.
• A minimum of eight (8) years experience in Information technology, ideally in designing and maintaining cloud services and infrastructure solutions.

Nice to have [OR Assets]

• Relevant Microsoft 365 certifications (i.e. MS-102, MS-900, AZ-900)

What's in it for you

• A comprehensive total rewards program, including best-in-class benefits and a flexible workplace
• A challenging, fast-paced and collaborative team environment, where your perspectives and experiences matter
• Leaders who support your growth and success through regular feedback and coaching
• The opportunity to work with some of the brightest minds in the industry

For future reference, please ensure to save a copy of the job description as it will no longer be available once the posting closes.

At the IESO, we know that achieving great results depends on embracing diversity by attracting, developing and retaining people from a wide variety of backgrounds. We do this by ensuring our recruitment and advancement policies are fair and equitable, and by creating an accessible and inclusive environment - one that values every team member's unique skills and experiences and ensures they have the support they need to achieve their potential. If you require accommodation during the recruitment process, please let us know.

We thank you for your interest in a career at the IESO, but we will only contact those candidates selected for an interview.

Note: The successful candidate must be eligible to work in Canada and will be subject to a background check.

The IESO offers a hybrid work model program to most of our employees, based on business needs. Individuals participating in the program can work an average of three days per week remotely within Ontario. It also offers three flex weeks when individuals can work remotely within Ontario. When working in the office, you will be located at our Mississauga, ON location.

Join our talent community

Sign up for talent community; stay in touch, find out about new opportunities - and discover how you can make a difference. Discover how we use our expertise and commitment to deliver reliable and affordable electricity to Ontario's businesses and communities, and how we're innovating to secure a stronger energy future for all Ontarians. Visit Careers at IESO and be sure to follow us on LinkedIn.

Find out why we were selected as Greater Toronto's Top 2025 Employers, and what we offer.