Senior Performance Media Associate, Investment
Critical Mass is hiring a Senior Performance Media Associate Investmentto join our growing team. You will support the day-to-day execution of programmatic media campaigns and is an integral part of the activation team. They are a digital native with a strong interest in emerging media and a desire to grow their expertise in programmatic advertising. Working closely with senior team members, the Associate helps bring digital strategies to life, ensuring campaigns are set up, monitored, and optimized to meet client goals.

They are responsible for supporting the tactical planning and activation process, including partner research, campaign trafficking, reporting, and billing. The Associate is encouraged to ask questions, contribute ideas, and take initiative in learning the tools and processes essential to success in the programmatic space. They work under the guidance of more senior team members, gaining exposure to platform management, campaign performance analysis, and cross-functional collaboration with internal and external stakeholders.

The Role

Coordinate and oversee the management, trafficking, optimization and reporting of all campaign initiatives.

Manage the billing team and provide final approval on all billing needs

Oversee and approve all media campaign set-up and execution, including working with other internal teams and clients to secure deliverables.

Provide strategic insights and optimizations for all client reports

Research and prepare recent information for paid media plans, RFPs, and presentations.

Evaluate, build and maintain relationships in the display and emerging media community.

Stay up to date on and advise the Media team on the latest trends in interactive marketing / media and developments.

Lead the development of “Point of View” (POV) documents on new trends or special opportunities.

Evaluate client needs and escape needs or issues as they arrive to leadership





Drive audience insights and channel strategy

Sell in media initiatives to client

Integrate with neighboring disciplines (MKS, Strategy, Creative) on overall campaign direction

Who You Are:

2-4years of experience in digital activation, executing and optimizing campaigns acrossprogrammatic/media buying, display, and video platforms with a focus on data-driven results

FamiliarwithDSPssuch asTTD, DV260, Yahoo, Amazon, and others.

Strong mathematical aptitude and understanding of the digital media landscape

Some experiencewith budgeting, forecasting, and campaign optimizations across platforms

Proficient in research, audience planning, and developing social media plans (audience, platform, placement, ad mix)

Excellent communication skills and comfortable presenting recommendations to clients

Full campaign ownership: setup, ad creation, QA, pacing, budget management, and optimizations

Proficient in reporting and analytics, including crafting insights and using Excel

Knowledgeable about integrating online and offline media opportunities

Able to understand applicationof,use of industry tools such as (DDS/Prisma, ComScore, Nielsen,AdViews, eMarketer, etc.)

Excellent presentation, verbal, and written skills

Salary Range: $60,000 - $80,000 CAD

Omnicom’s policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager. Our objective is to increase this requirement over time, and many of our agencies as well as Omnicom’s corporate group already require five days of in-office attendance.

Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us—we look forward to getting to know you. We will process your personal data in accordance with our Recruitment Privacy Notice.

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📌 Senior Performance Media Associate, Investment (Ontario)
🏢 Critical Mass
📍 Ontario