Senior Media Planner in London

Reporting to the Media Strategy Director, you will create impact in our Media Strategy team, within our AI, Planning and Insights department. We take pride in our data‑led approach, award‑winning client work and use of innovative technology, setting us apart in the industry.

You’ll contribute to the translation of client briefs into cross‑channel digital media plans, collaborating with internal specialists to use advanced tools to forecast performance, and driving campaign insights and optimisation for a key client in the footwear sector. At Jellyfish, we are committed to promoting professional growth. Your career path could lead to progression into a Media Strategy Director role or client leadership.

Your primary responsibilities will include:

• Lead the translation of client briefs into cross‑channel digital media plans (programmatic, search, social, video) for the client, including budget, flighting and audience targeting recommendations, performance forecasts, and channel tactics.
• Lead the collaboration with Jellyfish specialists and teams (market intelligence, investment, paid media, display, analytics) to come up with unique ideas, experiment with new methods and technologies to solve complex issues, and ensure planning follows platform and buying best practices.
• Utilise attribution, media mix modelling and planning tools to pull audience consumption, reports and forecast target goals.
• Work with wider planning, analytics and measurement teams to produce insightful campaign reports, performance analyses and optimisation recommendations while media is live.
• In partnership with your client leads, maintain a working relationship with the client, and maintain professional relationships with the publisher and partner community.
• Monitor the digital landscape and identify trends and partners for upcoming campaigns.

Qualifications:

• Over 3 years of experience working on multichannel media campaigns within an agency or client environment, either in a media buying or planning role.
• Experience with measurement attribution and reporting dashboard solutions.
• Experience planning or buying in at least two major digital channels such as Social, Search or Programmatic.
• Understanding of media concepts and terms, and how digital fits into the marketing plan.
• You love getting to know your clients, developing long‑lasting relationships and adding value to their business.
• You’re good at adapting strategies and plans to navigate unforeseen circumstances.
• When faced with a problem, you collaborate with the appropriate people to evaluate different options and find practical solutions.

Benefits:

• Reward: Eligible to join our discretionary annual bonus scheme.
• Custom Work Environment: Work remotely for up to 60% of your days and shape your day between 8am and 6:30pm with flexible working hours.
• Family Support: 14 weeks of paid leave for primary caregivers and 4 weeks of paid leave for secondary caregivers. £1000 towards courses for returning primary caregivers to support transition back into work.

Note: We emphasise skills, expertise and behavioural attributes over years of experience and traditional degrees. If you want to join our collaborative team, we invite you to apply today with your resume in English.