Senior Media Associate

7 days ago

Toronto, Ontario, Canada Critical Mass Full time $80,000 - $120,000 per year

As a Senior Media Associate, you are a hands-on digital media expert with a passion for video investment and campaign execution. You thrive in the details—developing, implementing, and optimizing high-performing media plans across a variety of video channels. You bring knowledge of and interest in the evolving video landscape, stewarding media buys and ensuring campaigns deliver against client goals. You're a team player, working closely with other associates while collaborating cross-functionally.

Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

You Will

  • Execute and manage digital and video media campaigns across platforms including linear and connected TV, programmatic, and video.
  • Collaborate with internal planning, strategy, and insights teams to translate client goals into actionable media investment plans.
  • Partake in campaign implementation end-to-end, from buy development and trafficking through to reporting and optimization.
  • Analyze campaign performance and provide clear, actionable insights and optimization recommendations.
  • Develop and maintain strong relationships with media partners, pushing for innovation and added value.
  • Stay current on media trends, particularly within the video landscape, and proactively identify new opportunities for clients.
  • Support in the preparation of client deliverables including reporting decks, media recommendations, and POVs.

You Have

  • 3-4 years of experience in digital media planning and investment, with a strong emphasis on video platforms.
  • Hands-on experience in campaign execution across linear and connected TV, digital video, and programmatic.
  • Strong knowledge of media buying processes and performance metrics.
  • Ability to analyze performance data and develop clear, compelling narratives from insights.
  • Excellent organizational, communication, and time management skills.

What We Offer

  • Global maternity and parental leave
  • Competitive benefits packages
  • Vacation, compassionate leave, personal/sick days, and flex days
  • Access to online services for families and new parents
  • Early Dismissal Friday's (off at 3:00 PM local time every Friday)
  • 13 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts

Critical Mass is an equal opportunity employer.
The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs , and us.greenhouse-
We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you.
We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.
*If U.S. based:

If Canada based:

If U.K. based:

If Costa Rica based: *

  • Senior Associate, Media Strategy

    7 days ago

    Toronto, Ontario, Canada Other. Full time $80,000 - $120,000 per year

    About Other.Other. is raising the bar in Canadian advertising, setting a new standard for accountability, transparency, and opportunity.We're a privately owned Toronto-based team of 40, led by a small group of industry veterans. Recognized on the Globe & Mail's list of Canada's Top Growing Companies, we're in an exciting growth stage and hiring key people to...

  • Associate Director, Technology, Media

    1 week ago

    Toronto, Ontario, Canada Fitch Ratings Full time US$115,000 - US$135,000 per year

    Associate Director, Technology, Media & Telecom - TorontoRequisition ID: 48876Business Unit: Fitch RatingsCategory: Credit Analysis & ResearchLocation:Toronto, ON, CADate Posted: Nov 22, 2025US Corporates – Credit Analyst, Associate Director - Technology, Media & TelecomFitch is seeking an Analyst for coverage of the Telecommunications, Media, and...

  • Senior Associate, Planning

    1 week ago

    Toronto, Ontario, Canada Mindshare Full time $60,000 - $120,000 per year

    Company Description Mindshare is a global media agency network with billings in excess of US$31.4 billion (source: RECMA). Our network consists of 116 offices in 86 countries throughout North America, Latin America, Europe, Middle East, and Asia Pacific, each dedicated to forging competitive marketing advantage for businesses and their brands. Mindshare is...

  • Senior Media Planner

    1 day ago

    Toronto, Ontario, Canada Starcom Canada Full time

    Company DescriptionStarcom is a part of Publicis Media within Publicis Groupe, one of the world's leading communications groups. Our team spans across our Windsor, Toronto and Montreal offices. We truly love the world of Media and Advertising. We see the planning and buying process as art. However, it is an art that is always best when backed by the science...

  • Digital Media Associate Director

    1 week ago

    Toronto, Ontario, Canada Kepler Group Full time $110,250 - $131,250 per year

    Kepler executes engineered marketing, where every message and ad delivered helps create a more personalized and productive relationship between brands and their consumers. We do this by acting as clients' agency of record, as their in-house team, or some hybrid of the two – and by harnessing data and technology across all paid digital media and data-driven...

  • Digital Media Associate Director

    1 week ago

    Toronto, Ontario, Canada Kepler Group Full time US$105,000 - US$125,000

    Kepler executes engineered marketing, where every message and ad delivered helps create a more personalized and productive relationship between brands and their consumers. We do this by acting as clients' agency of record, as their in-house team, or some hybrid of the two – and by harnessing data and technology across all paid digital media and data-driven...

  • Senior DSP Media Manager

    3 days ago

    Toronto, Ontario, Canada Flywheel Digital Full time

    The Opportunity We are currently hiring a Senior Media Manager to support our DSP team as part of our Client Services function. The Senior Media Manager manages a team of Media Managers and Specialists who support programmatic advertising campaigns for our clients on Amazon and Omni-Channel Retailers. Programmatic advertising continues to gain momentum...

  • Senior Media Manager

    7 days ago

    Toronto, Ontario, Canada Flywheel Digital Full time $120,000 - $180,000 per year

    About Flywheel  Flywheel's suite of digital commerce solutions accelerate growth across all major digital marketplaces for the world's leading brands. We give clients access to near real-time performance measurement and improve sales, share, and profit. With teams across the Americas, Europe and APAC, we offer a career with real impact, endless growth...

  • Senior Media Planner

    2 weeks ago

    Toronto, Ontario, Canada Critical Mass Full time $80,000 - $120,000 per year

    We are hiring aSenior Media Plannerto build, execute, and manage strong paid media plans to support clients' marketing objectives. You'll be responsible for planning, trafficking, and optimizing campaigns across all paid channels including traditional, digital, performance, and emerging spaces. This is a client-facing role where you will assist in...

  • Senior Manager, Media Relations

    2 weeks ago

    Toronto, Ontario, Canada Rogers Communications Full time $80,000 - $120,000 per year

    We are committed to connecting Canadians through unique partnerships, our world-class network and content Canadians love—and our innovative team is growing. We are looking for dedicated team members to join our Corporate team who have a genuine passion for making positive impacts on customers and the communities where we live and work. We have a variety of...