CM

Critical Mass

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Critical Mass is a global digital agency that combines exceptional design, innovative technology, and consumer insights to create impactful experiences for leading brands.

Calgary, Alberta

Advertising Services
1,001–5,000 people

About

We’re Critical Mass. We are 2,000 inspired humans across 14 offices, setting the right path—not just the next one—for our clients, their customers, and our own colleagues. We work with the best, Apple, Adobe, BMW, Nike, Diageo, Airbnb, BNY and many more, to power connected ecosystems that make brands stand out by driving performance with data, technology, AI, creative and media. We’re a global marketing agency founded in Canada, but digital is our home. If you know us, then you know we’re a special place that attracts big talent and tiny egos. We’re driven, uncompromising and we live our values. We’re Critical Mass, but our friends call us CM. Learn more at criticalmass.com.

Open positions

Senior Performance Media Associate, Investment

Hybrid · Toronto

Coordinate and oversee campaign setup, trafficking, optimization, reporting, and billing, while providing strategic insights and recommendations to clients. Research media opportunities and trends, develop plans and point-of-view documents, and collaborate with clients and internal teams on campaign strategy and execution.

Performance Media Associate, Planning

Hybrid · Toronto

Support the planning, setup, trafficking, tracking, reporting, and optimization of performance media campaigns across digital channels. Maintain accurate campaign documentation and dashboards, identify initial performance insights, and coordinate with clients and internal teams to execute media strategies.

Performance Media Associate, Planning

Hybrid · Toronto

Support the planning, setup, monitoring, measurement, and reporting of performance media campaigns, including budgets, audiences, tracking, and quality assurance. Organize and analyze campaign data, identify trends and optimization opportunities, and maintain accurate operational records.

Performance Media Manager, Investment

Hybrid · Toronto

Oversee digital media campaign setup, execution, trafficking, optimization, reporting, and billing, while providing strategic insights and recommendations to clients. Develop audience and channel strategies, research emerging media opportunities, and coordinate with internal teams and clients to deliver campaigns.

Senior Art Director

Hybrid · Toronto

You will develop creative concepts and drive visual direction across campaigns, experiences, and platforms from brief to final delivery. You will also manage your own workload, mentor junior designers, and collaborate with cross-functional teams to maintain high creative standards.

Senior Media Planner

Hybrid · Toronto

The Senior Media Planner is responsible for preparing and presenting integrated media plans, proposals, and analysis to satisfy client objectives. They also manage client expectations, oversee media buying processes, and ensure campaign performance is evaluated and reported accurately.

Marketing Science Lead

Hybrid · Calgary

You will lead the ideation and execution of measurement strategies while managing, developing, and motivating a team of analysts. Additionally, you will ensure that all deliverables, including reports and dashboards, meet client needs and align with data governance protocols.

Senior Financial Analyst

Hybrid · Toronto

The role serves as a Finance Business Partner managing financial results, budgets, and invoicing for top client groups. It involves analyzing project efficiencies and coordinating internal and external audits while mentoring finance team members.

Strategist

Hybrid · Calgary

The Strategist will support strategic workstreams by providing insights, developing messaging direction, and creating audience personas for B2B clients. They will collaborate across creative and media teams to align on strategic direction and monitor industry and technology trends, specifically AI.

Account Manager

Hybrid · Calgary

Manage day-to-day campaign operations and serve as the primary point of contact for clients to ensure their goals are met. Collaborate cross-functionally with media, creative, and strategy teams to deliver projects on time and optimize channel performance.