Office Location Mississauga, ON Alternate Location Toronto, ON Req # 12201 Posting Category Existing Vacancy [additional headcount] Apply Now Discover Your Impact 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 Administrative Assistant [Contract: Sep 8 - Dec 18, 2026] some of your responsibilities will include: Work directly with our stakeholders and their clients to help manage their dynamic growing practices

Schedule, liaise and communicate with others, including clients, to proactively prepare information in advance of meetings

Receive, distribute, redirect and respond to mail, email, telephone calls, reports and other material. Ensure appropriate follow up action is taken where required in order to meet deadlines

Prepare, draft, edit and format letters, reports, presentations, spreadsheets and other client correspondence using Microsoft Suite

Oversee the client relationship management software for the group, including entry of opportunities, managing the progress and finalization, and client and job creation in the billing system

Drafting and sending invoices to clients

Prepare and track expense claim submissions

Support the team in the delivery of exceptional client service

Occasional reception coverage may be required

Partake in projects with others within the Business Unit

Coordinate internal/external meetings,



room bookings, video conferences and in-office events 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 Administrative Assistant [Contract: Sep 8 - Dec 18, 2026]? Like the colour purple?

Excellent. Here's a few more boxes we’re also hoping you can tick: Proven work experience in a busy professional services environment, would be considered as asset

Strong attention to detail, organizational skills, and be able to switch between multiple priorities efficiently

Advanced working knowledge of MS Suite

Client-oriented attitude and exceptional client service skills

Excellent communication and interpersonal skills

Capable of meeting tight deadlines on multiple projects

Innovative thinking, sound judgment,



and adaptable to service needs

Takes initiative and is a self-directed learner

Able to maintain confidentiality when working with sensitive matters

Available to work some overtime throughout the year 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.

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 for this role is $20.00/hour in Mississauga, ON. If the role is available in other locations, the range may differ to reflect local market factors. This role is required to be onsite, in-office 5 days each 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 [email protected] and we will work with you to meet your accommodation needs.

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📌 Administrative Assistant [Contract: September 8 - December 18, 2026] (Mississauga)
🏢 McColl Turner
📍 Mississauga