Agency:
Critical Mass

Job Function:
Media

Job Subfunction:
Media Planning and Buying

Job Description:
Critical Mass is hiring a Performance Media Director, Planning to join our growing team. As the Performance Media Director, you will lead the development and execution of integrated, performance-driven media strategies across key client accounts. You bridge senior strategic direction and hands-on planning leadership, ensuring media investments are optimized for efficiency, scalability, and measurable business outcomes.

You will:
Develop cross-channel media plans aligned to client business objectives and performance KPIs

Define audience targeting strategies using first-party data, syndicated insights, and platform intelligence

Build investment recommendations across Search, Social, Programmatic, Video, CTV, and Commerce channels

Support forecasting, budget pacing, and optimization planning across campaigns

Oversee campaign performance and ensure continuous optimization against CAC, ROAS, CPA, and conversion goals

Partner with Analytics teams to interpret data and identify actionable insights

Support testing strategies across audiences, creative, bidding, and channel mix

Translate performance data into strategic adjustments and client recommendations

Serve as a senior day-to-day client lead for media planning and performance discussions

Present media strategies, performance updates, and optimization recommendations

Collaborate with Activation, Analytics, and Strategy teams to ensure integrated execution

Support new business efforts and strategic planning initiatives

You have:
7-10 years of media planning or performance marketing experience

Strong understanding of digital ecosystems and cross-channel media strategy

Experience managing performance-driven campaigns across multiple platforms

Familiarity with attribution, forecasting, and media measurement frameworks

Proven client-facing experience with senior stakeholders
$150,000-$170,000

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.