Agency:Critical MassJob Function:MediaJob Subfunction: Media Planning and BuyingJob 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-$170,000Omnicom’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.Link to Recruitment Privacy Notice: https://www.omc.com/privacy-noticeFor US Job Seekers:It is the policy of Omnicom and any of its affiliates to provide equal employment opportunities to all employees and applicants for employment without regard to race, religion, color, ethnic origin, gender, gender identity, age, marital status, veteran status, sexual orientation, disability, or any other basis prohibited by applicable federal, state, or local law. EOE/AA/M/D/V/F.