Job Description

imagi(nation)
We're bold, creative, pushing boundaries, sparking innovation and creating the extraordinary on the daily. Our entrepreneurial spirit and passion drives us to find new paths for some of the most recognized brands in the world. We act locally for global impact. We take risks. We empower. We go beyond.
To those who won't settle for the expected--you've found your crew.
The Account Supervisor is a driving force in client leadership at Cossette. They're the trusted partner who owns the day-to-day and sets the bar for strategic thinking and execution. Equal parts strategist, tactician, and industry disruptor, they lead with confidence--delivering bold, high-impact work that moves business and culture. They don't just solve problems, they anticipate them--applying sharp instincts and creative rigor to every challenge. With a relentless focus on growth, they spot opportunities others miss--unlocking new value for clients and raising the game for internal teams. Entrepreneurial, decisive, and fearless in complexity, they rally cross-functional teams and shape what's next for both clients and the agency.
Transparency matters to us. For this role, you can expect a salary between $70,000- $75,000 annually, depending on experience. This is for an existing vacancy.
Key Responsibilities:

• Strategic Client Relationships: Be a go-to partner for mid- to senior-level clients--building trust, offering strategic counsel, and guiding decisions with confidence. Anticipate their needs, elevate conversations, and drive long-term value through strong, insight-driven relationships.
• Strategic Viewpoint: Be steps ahead. Connect market intelligence, cultural shifts, and business priorities to shape powerful strategies. Bring a thoughtful, agile mindset to problem-solving and leverage digital tools like AI to uncover insights and respond to unexpected challenges.
• Financial Accountability: Own project-level financial health from scoping through delivery. Track budgets, ensure profitability, and champion smart financial practices across the team. Proactively address scope changes and empower teams to manage financials with clarity and confidence.
• Organic Growth & Delivery: Deliver with impact and ambition. Oversee project execution to ensure quality, efficiency, and alignment with client goals. Identify growth opportunities within existing accounts and contribute to new business--expanding Cossette and Plus Company's value.
• Coaching & Team Development: Lead by lifting others. Provide direct mentorship, feedback, and development plans that help team members grow. Model a culture of curiosity, quality, and continuous learning--embedding AI and innovation into everyday thinking and empowering more junior talent to raise their bar.

Skills & Qualifications:

• 3-5 years of experience in advertising or marketing, with a focus on client management, strategic support, budget management, and multidisciplinary collaboration.
• Strong background in managing integrated campaigns and overseeing multidisciplinary teams in a fast-paced agency environment.
• Proven ability to build trust-based relationships with mid-to-senior level clients and influence marketing decisions through insight-led recommendations.
• Demonstrated skill in analyzing market trends, business challenges, and competitive landscapes to shape insightful strategies.
• Strong communication, presentation, and consulting skills with an ability to translate complexity into clarity for clients and internal teams.
• Financial acumen--comfortable managing budgets, scopes, and financial performance across multiple projects.
• Entrepreneurial spirit with a growth mindset--proactive in identifying opportunities and expanding agency impact across accounts.
• Adept at leveraging AI and other emerging technologies to enhance trend analysis, creative thinking, and strategic foresight.
• Driven by a curiosity of leveraging AI tools to advance our clients work and objectives.
• Deep curiosity for client industries, paired with the ability to connect internal expertise to evolving client needs.
• Experience mentoring junior team members and contributing to a positive, collaborative team culture.

What's in it for you:
We value the 'whole you'

• An innovative and entrepreneurial work environment that promotes ingenuity and individuality - with the best of colleagues, and the best of clients
• Hybrid work models and flexible hours, plus a work from anywhere policy for short-term stays in other regions
• Generous Vacation starting at 3 weeks + 1 extra week over the holidays
• Agency summer days (exact policy differs per campus and agency)
• Modern, open co-working spaces with coffee & snack bars, located in great city neighborhoods, close to shops and restaurants and easy access to public transport
• Dogs allowed, dedicated Play Room to support families and Private wellness room (in select offices)
• Team social events - holiday parties, seasonal gatherings, weekly happy hours, inspiring speakers and more!

We are obsessed with learning and being better humans

• In-house learning & development sessions and annual career and growth conversations'
• Access to internal network of opportunities across all agencies
• Focus on developing BIMPOC Talent via our BIMPOC Mentorship Program
• Internal EDI group(s), programs & initiatives across Plus Company and opportunities to be involved in employee resource group(s)

Check out our EDI report to learn more about our work and commitment towards equity.
We invest in your health and wellness:

• Flexible benefits to support your individual lifestyle and life stage - with access to a personal wellness spending account you can use for a wide range of wellness expenses, including gym membership fees, pet care, education expenses, and much more!
• Comprehensive mental health support including access to a virtual mental health therapy clinic providing you with personalized therapist guided iCBT programs and live therapy, access to health clinicians 24/7, and a holistic array of other health and wellness resources to support you and your family.
• Dedicated play rooms for days you need to bring the kids and health and wellness rooms when you need a place to get grounded.
• A responsible sick & personal absence days policy designed so you don't have to worry the moment a personal obligation or emergency arises.
• Maternity leave top up program.

Expiry Date Notice: This job description expires on February 23, 2026
We're humbled by the number of talented people who apply to work with us every day. And, we thank each and every one of you. Truly. We'll reach out directly to those we'd like to meet for an interview.
To ensure a fair and consistent evaluation for all candidates, our interviewers are supported by an AI tool that securely takes notes during the conversation
Creating meaningful work means embracing different perspectives. We are an equal opportunity employer and do not discriminate based on age, colour, ability, national origin, race, religion, sex, or sexual orientation. Not only are these provisions protected by provincial and federal law, embracing difference is what makes Cossette what it is--and we wouldn't have it any other way. We pride ourselves on our inclusive and accessible workplace. If you need any accommodations during the interview process to make it work for you, let us know.
By joining Cossette , you become part of Plus Company, a unique partnership of forward-thinking creative agencies. As a network, we unabashedly believe anything is possible. Why? Because possibility is what powers the big dreams and limitless drive of an entrepreneur. And entrepreneurial agencies are what we're made of. A whole network of them.
Employee & Job Applicants Privacy Notice
#LI-ST1

Skills Required