Who We Are
You know those big cities that still feel like small towns? Where everyone’s friendly and helps each other out? That’s like Doane Grant Thornton. Except here we’re all professionals and there isn’t a mayor or a general store. What we’re trying to say is that we’re a large and growing professional services firm that still feels like a community. We employ about 3000 people across Canada, and we truly care about our colleagues, our clients and the communities where we work and live. That’s what’s most important to us. We’re building a thriving organization that’s purpose driven and still want to remember what your favourite milkshake flavour is.

Who We Are
You know those big cities that still feel like small towns? Where everyone’s friendly and helps each other out? That’s like Doane Grant Thornton. Except here we’re all professionals and there isn’t a mayor or a general store. What we’re trying to say is that we’re a large and growing professional services firm that still feels like a community. We employ about 3000 people across Canada, and we truly care about our colleagues, our clients and the communities where we work and live. That’s what’s most important to us. We’re building a thriving organization that’s purpose driven and still want to remember what your favourite milkshake flavour is.

As an Enterprise Platform Support Engineer your responsibilities will include:

Support enterprise platforms, including integrated Microsoft 365 solutions such as SharePoint, Teams, Power Apps, Power Automate, Copilot Studio, and related SaaS applications

Ensure availability, performance, and reliability of production systems and Azure-based microservices

Act as a Tier 2 escalation point for complex incidents impacting business-critical services

Partner with technology engineering teams to stabilize production workloads and proactively reduce incident recurrence through root cause analysis and remediation

Contribute to service monitoring, alerting, and performance optimization

Manage and support SaaS integrations, including APIs, connectors, and identity flows

Troubleshoot end-to-end service issues across Microsoft 365, custom Azure applications, and third-party SaaS platforms

Support identity, authentication, and access management across cloud platforms (e.g., Entra ID, SSO, conditional access)

Monitor application health using Azure Monitor, Application Insights, and third-party dashboards

Support release validation, deployment monitoring, and post-release stabilization to ensure seamless production performance

Support and govern AI Copilot agents built using Copilot Studio and Agent Builder

Monitor AI agent performance, response quality, and usage patterns to ensure effective and reliable outcomes

Troubleshoot AI agent-related issues, including latency, data access, and integration dependencies





Enforce governance standards for AI solutions, including access controls, lifecycle management, and responsible AI practices

Experience with monitoring and observability tools (Azure Monitor, Application Insights)

Strong troubleshooting across distributed cloud environments

Experience supporting production systems in enterprise environments

Knowledge of incident, problem, and change management practices

Ability to work across cross-functional teams (engineering, security, business stakeholders)

Experience supporting or governing AI / Copilot solutions

Exposure to automation and scripting (PowerShell, Power Platform, or similar)

Familiarity with DevOps or cloud-native support models

High availability and stability of enterprise platforms

Reduced incident volume through proactive problem management

Improved performance and adoption of Copilot and AI-enabled services

Robust collaboration with engineering teams to enable resilient, scalable platforms

Increased automation and operational efficiency across support processes

Provide operational activities when required after-hours and on weekends

Other relevant duties as assigned and required

Doane Grant Thornton
If you’re a bit like us, you’re driven to connect with how others are feeling and thinking. Here we walk in others shoes before taking action. Just imagine being part of a team that puts “we before me”, where flexAbility is a mindset, and where you trust your colleagues to have your back. At Doane Grant Thornton, you’ll work with inspiring leaders who support your development, both personally and professionally. This is a place where your insatiable curiosity enables you to think, see and hear from a variety of perspectives, a place where every day is different and having the courage to grow is part of who you are. And when all this comes together, well that’s when the magic happens!

Want to learn more about who we are and how we live our purple every day? Read our colleagues’ stories at www.discoveryourpurple.ca
Think you’ve got what it takes to be an Enterprise Platform Support Engineer? Like the colour purple? Great. Here’s a few more boxes we’re also hoping you can tick:

5-8 years of experience in Enterprise application support

Bachelor’s degree preferred (engineering or information systems related field)

Owns support for specific platforms or service domains (e.g., Teams, SharePoint, integrations)

Resolves complex incidents (Tier 2) impacting business services





Troubleshoots end-to-end issues across M365, Azure, and SaaS ecosystems

Supports SaaS integrations, APIs, and identity flows

Contributes to monitoring improvements and operational documentation

Supports AI/Copilot agents and evaluates performance/usage trends

Strong experience with M365, Azure services, and SaaS integrations

Working knowledge of Azure Monitor, App Insights, and observability practices

Ability to troubleshoot distributed cloud systems and dependencies

Experience with incident/problem management processes

Attention to detail and ability to function in a dynamic and demanding work environment

Ability to analyze business requirements and propose solutions

Ability to produce technical and functional documentation

Ability to troubleshoot and perform unit testing based on scenarios

Aptitude for continuous learning

At Doane Grant Thornton we’re focused on making a difference in the lives of our clients, our colleagues and our communities. That’s our purpose. Or, as we like to say, living our purple.

What's in it for you?

Profit sharing

Flex days

RRSP contributions

Firmwide holiday closure

Wellness benefits

Concierge-like benefits

Work from anywhere in Canada in the summer for 4 weeks

and more!

At Doane Grant Thornton, we believe compensation should reflect more than just market data—it should reflect you. We’re serious about compensation. We benchmark regularly across a wide spectrum of roles, industries, sectors, and levels to ensure our ranges are both competitive and current. But we don’t stop there. We also consider the unique strengths, experiences, and impact each individual brings to the table. Our salary ranges are reviewed annually, and where you land within the range depends on a mix of factors—your background, your skills, and how your contributions align with internal equity. To help start the conversation, the current salary range for this role is $87,300–$113,500 in Toronto. If the role is available in other locations, the range may differ to reflect local market factors.

Our special culture shines through when we have the opportunity to connect in person. That’s why we’re working in a model where teams are required to be together in the office 4 days per week.
Are you ready to Discover Your Purple?
Doane Grant Thornton is committed to employment equity, human rights and respectful workplace principles throughout the life cycle of employment, including at the recruitment and hiring stages. We welcome applications from members of all equity deserving groups, including persons with disabilities, women, racialized and/or Indigenous applicants.

Should you require accommodation in relation to the recruitment process, please notify us by emailing and we will work with you to meet your accommodation needs.

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📌 Enterprise Platform Support Engineer (Ontario)
🏢 Doane Grant Thornton
📍 Ontario