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 skilled 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 a Senior Manager, SR&ED; Tax your responsibilities will include: Support the strategic management and expansion of the National SR&ED; practice

Serve as the primary liaison with the CRA and oversee CRA audits related to SR&ED;

Guide teams in understanding all aspects of SR&ED; policies and administration, focusing on financial and tax matters

Manage client engagements, ensuring accurate preparation, comprehensive reviews, and finalization of detailed summaries that reflect incurred SR&ED; expenses

Collaborate closely with tax and assurance teams to prepare and review SR&ED; tax incentive entries for claims

Coach, mentor and develop the performance of junior team members 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 a Senior Manager, SR&ED; Tax? Like the colour purple?

Great. Here's a few more boxes we’re also hoping you can tick: Be Professional – You have excellent written and verbal communications skills, the ability to convey ideas in a simple manner and the capability to manage multiple priorities effectively. Your professional and personal demeanour coupled with excellent client service and interpersonal skills has a proven track record of positive client and people experiences.

As a self-motivated team player, you are willing to take initiative and are eager to learn from others

Be Curious – our clients are some of the most technologically advanced in Canada and the entire world. An interest in technology and science is key

Be Collaborative – We work as a national team to assist our clients wherever they are located. You will work with stakeholders throughout our firm and our client’s organizations to better understand, document and support their research and development processes. You will collaborate with teammates across all levels to complete SR&ED; tax incentive claims

Be Diligent – our work is deadline driven, highly confidential and important to driving the Canadian economy forward through job creation and investment. We are proud of the impact we have on Canadian businesses and ensure we capture every eligible aspect of work performed

CPA designation

Minimum 8 years previous experience in a SR&ED; consulting environment

Previous coaching/mentoring experience

Proficient with the use of Excel,



Taxprep and Profile software 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 $128,000–$178,000 in Mississauga, ON. 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.

📌 Senior Manager, SR&ED Finance (Mississauga)
🏢 Doane Grant Thornton
📍 Mississauga