Assistant Media Planner

Location
Toronto, ON•Hybrid work
 
Full job description
Media Performance
Toronto, Canada
Zenith
Entry
Hybrid
5/30/2025
110542

Company description

Zenith is the ROI Agency. Our more than 6,000 specialists across +5 markets offer unparalleled capabilities in Media, Data, Technology, Commerce and Content. We put effectiveness at the heart of our work to solve complex challenges, drive successful business outcomes, and grow our clients’ businesses. Zenith is part of Publicis Media, the media arm of Publicis Groupe.

Over the past year, Publicis Media has been transforming the way we do our business. From structuring our investment practice around data and digital to bringing our strategy, data sciences and research practice under one house, we’ve been shaping Publicis Media to be the media network of tomorrow. One that both you and I want to work at.

Publicis Media Canada is proud to be Great Places to Work™ certified and recognized with Best Workplaces™ for Today’s Youth. We provide continuing opportunities for career growth by fostering a diverse work environment that respects and supports individual contributions and opinions.
We also offer our employees market leading benefit and incentive programs. You’ll be provided with 3 weeks minimum vacation to start plus additional long weekend Publicis days, holidays closures, your birthday off, free Headspace memberships, wellness and technology credits, and a market leading savings plan.

We strive to provide what matters to you personally with the ability to choose and modify programs to suit your lifestyle


Overview

As an Assistant Planner at Zenith, you will be an important member of a broader Strategy team which pursues and activates against meaningful human insights with the goal of driving measurable results. Strategy Assistants receive in-depth training and continue their professional development by gaining experience and skills via on-the job experience.
Zenith has experienced an incredible growth rate over the past years. The network has transformed and moved at the pace of culture. As the Human Experience company, we are pleased to offer the opportunity to work from anywhere.


Responsibilities
Assist the Planners and Supervisors in managing and executing approved plans across all media
Assist in the development and organization of supportive data and media research for plans and recommendations
Gain an understanding of client and competitive business
Learn about Zenith proprietary tools, industry tools and platforms – develop a strong working knowledge on what they are and how to use them
Manage contracts/ insertion orders and any resulting revisions with media vendors through our campaign stewardship platforms: DDS/Prisma
Responsible for addressing discrepant media invoices
Assist with billing process
Responsible for updating blocking charts, budgets, and budget summaries
Update competitive media reports and technical support for presentation materials

Qualifications
Bachelor's degree; degree or concentration in advertising, marketing, business administration, and communications preferred
Track record of success throughout post-secondary career and previous employment
Strong quantitative skills, including analytical abilities and math proficiency
Solid verbal and written communication skills. An ability to tell a story
Technical proficiency, particularly with Excel, Word and PowerPoint
Demonstrated critical thinking and problem-solving abilities
Able to work successfully with teams, handling multiple projects and meeting tight deadlines under pressure
Detail-oriented and able to produce accurate work product

Additional information

Zenith is an equal opportunity employer and we welcome and encourage applications from all interested parties. Accommodations are available, upon request, for all stages of the interview and employment process for those with a disability or medical need during any stage of the recruitment process. We thank all candidates for their interest in Zenith , however, only those candidates selected for an interview will be contacted.