At Cossette Media, bright people shine their brightest. Because we get to work with iconic brands. On projects that always reflect our biggest strengths. And give us a chance to be in the spotlight, here and abroad. Plus, we’re surrounded by brilliant colleagues who ignite our passion daily. Working here is plugging into a collective energy like no other. And giving your skill set and talent a huge spark.

The Specialist, Media Operations is responsible for ensuring the integrity, optimization, and advanced fluidity of financial and administrative processes related to media purchases. This key role manages the end-to-end operational workflow, serving as the subject matter expert who owns the relationship between the media buying and planning teams and the finance department, guaranteeing rigorous and complex coordination of client invoicing and precise transaction management and system maintenance within the Mediaocean platform.

Transparency matters to us. For this role, you can expect a salary between $50,000-$55,000 annually, depending on experience. This is for a new vacancy.

responsibilities:

• Manage the timely and accurate processing of media purchases, partner invoices, replacement notices (makegoods), and campaign post-analyses within the internal billing system (Mediaocean).
• Lead the end-to-end client invoicing process, working closely with media buyers and planners to ensure alignment with financial agreements.
• Serve as the expert for rigorous verification and validation of media supplier invoices, overseeing the resolution of complex billing issues and discrepancies.
• Serve as the primary point of contact for and finalize client invoicing with the internal finance team.
• Own the development, maintenance, and verification of client budget control reports, providing analysis and insights to internal teams.
• Manage and resolve complex client billing inquiries, providing professional and detailed explanations related to the invoicing of their campaigns.
• Identify opportunities for process improvement within the media operations workflow and implement system enhancements to increase efficiency and accuracy.

qualifications:

• Minimum of 3+ years of relevant experience in media coordination, administration, accounting, or business administration.
• Extensive experience with the Mediaocean system (required).
• Advanced mastery of the Google Suite, especially Sheets (pivot tables, complex formulas)
• Demonstrated ability to be rigorous, meticulous, and maintain an exceptional concern for detail and excellence.
• Proven autonomy, reliability, and resourcefulness in managing critical financial processes.
• Exceptional ability to effectively manage competing priorities and work under pressure in a dynamic environment.
• Demonstrated aptitude for being an effective collaborator, a team leader, and for interacting well with various internal and external stakeholders.
• Strong problem-solving ability, an analytical mindset, and a passion for numbers.
• Strong interest in the field of media and communications.
• You are motivated by the curiosity to use AI tools to advance the work and objectives of our clients.

What’s in it for you: We Value The ‘whole You’

• An innovative and entrepreneurial work environment that promotes ingenuity and individuality - with the best of colleagues, and the best of clients
• Hybrid work models and flexible hours, plus a work from anywhere policy for short-term stays in other regions
• Generous Vacation starting at 3 weeks + 1 extra week over the holidays
• Agency summer days (exact policy differs per campus and agency)
• Modern, open co-working spaces with coffee & snack bars, located in great city neighborhoods, close to shops and restaurants and easy access to public transport
• Dogs allowed, dedicated Play Room to support families and Private wellness room (in select offices)
• Team social events - holiday parties, seasonal gatherings, weekly happy hours, inspiring speakers and more!

We are obsessed with learning and being better humans

• In-house learning & development sessions and annual career and growth conversations’
• Access to internal network of opportunities across all agencies
• Internal EDI group(s), programs & initiatives across Plus Company and opportunities to be involved in employee resource group(s)

Check out our EDI report here to learn more about our work and commitment towards equity.

We invest in your health and wellness:

• Flexible benefits to support your individual lifestyle and life stage – with access to a personal wellness spending account you can use for a wide range of wellness expenses, including gym membership fees, pet care, education expenses, and much more!
• Comprehensive mental health support including access to a virtual mental health therapy clinic providing you with personalized therapist guided iCBT programs and live therapy, access to health clinicians 24/7, and a holistic array of other health and wellness resources to support you and your family.
• Dedicated play rooms for days you need to bring the kids and health and wellness rooms when you need a place to get grounded.
• A responsible sick & personal absence days policy designed so you don't have to worry the moment a personal obligation or emergency arises.
• Maternity leave top up program.

Expiry Date Notice: This job description expires on March 20, 2026

We’re humbled by the number of talented people who apply to work with us every day. And, we thank each and every one of you. Truly. We’ll reach out directly to those we’d like to meet for an interview. To ensure a fair and consistent evaluation for all candidates, our interviewers are supported by an AI tool that securely takes notes during the conversation Creating meaningful work means embracing different perspectives. We are an equal opportunity employer and do not discriminate based on age, colour, ability, national origin, race, religion, sex, or sexual orientation. Not only are these provisions protected by provincial and federal law, embracing difference is what makes Cossette Media what it is—and we wouldn’t have it any other way. We pride ourselves on our inclusive and accessible workplace. If you need any accommodations during the interview process to make it work for you, let us know.

By joining Cossette Media you become part of Plus Company, a unique partnership of forward-thinking creative agencies. As a network, we unabashedly believe anything is possible. Why? Because possibility is what powers the big dreams and limitless drive of an entrepreneur. And entrepreneurial agencies are what we’re made of. A whole network of them.

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