Media Planner

criticalmass· Media
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📍 Toronto

About this role

As a Media Planner, you are eager to dive into the world of media trafficking, reporting and implementation, and hit the ground running with support from the Media team. You bring a passion for Media to the office, and your enthusiastic personality makes you keen to offer insights into campaign analysis and optimization. Working across all areas of the Media process, you want to get your hands dirty—and you are ready to learn from the robust team at Critical Mass. You’ll also support the Media team’s administrative needs by briefing the team on client files, campaign contracts, and conducting research.

 


 

You will:

  • Coordinate the management, trafficking, optimization and reporting of all campaign initiatives.
  • Manage billing trackers and flowcharts, and execute payment of invoices and pre-bill process.
  • Be responsible for all media campaign set-up and execution, including working with other internal teams and clients to secure deliverables.
  • Support Marketing and Media Managers in reporting templates, management and presentations to clients.
  • Be responsible for pulling and delivering accurate data in initial analyses.
  • Provide insight into campaign analysis and optimization.
  • Research and prepare new 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 Marketing and Media groups on the latest trends in interactive marketing/media and developments.
  • Aid in the development of “Point of View” (POV) documents on new trends or special opportunities.

 

You have:

  • 2+ years’ experience as a Media Planner.
  • Familiarity with Google ad products—bonus points if you’re familiar with Google AdWords.
  • Previous experience with Prisma, DCM, Ads Manager, or similar platforms
  • Thorough knowledge of standard and rich media ad trafficking software for display, video, mobile and other emerging channels.
  • Strong interpersonal, written and verbal communication skills.
  • Ability to multi-task and meet deadlines while paying attention to details.
  • Ability to work effectively under stressful situations and time constraints.
  • Good project management, planning and organizational skills.
  • Ability to work independently yet seek help when needed.
  • Proficient in MS Office, specifically Excel.

 

Nice-to-Haves:

  • Previous experience with audience building tools (ie: MRI Simmons, ComScore, Nielsen, etc.)
  • Knowledge of competitive tools, such as Pathmatics and Cantar.

 

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)
  • 12 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts

 

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.  

 

Please note, you are applying to an active job opening.

We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.
Salary Range
$60,000$75,000 CAD

Critical Mass is an equal opportunity employer. 

Critical Mass uses artificial intelligence in our recruitment process to enhance job postings, filter keywords during the review of prospective candidates, and, in some cases, transcribe interviews with our recruiters. Human review remains central to the process, and all hiring decisions are ultimately made by our team.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. 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: https://www.consumer.ftc.gov/articles/job-scams#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx 

Frequently Asked Questions

Is the salary disclosed for the Media Planner position at criticalmass?
The salary for this Media Planner role at criticalmass is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Media Planner position at criticalmass located?
This Media Planner role at criticalmass is based in Toronto. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Media Planner at criticalmass belong to?
This Media Planner position is part of the Media department at criticalmass. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Media Planner position at criticalmass?
Click the "Apply Now" button on this page. You will be redirected to criticalmass's official application portal hosted on greenhouse where you can submit your application directly.
When was the Media Planner job at criticalmass posted?
This Media Planner position at criticalmass was posted on May 19, 2026. Apply as soon as possible — early applications are often reviewed first.
Media Planner
criticalmass
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