Senior Manager, Investment & Accountability - Media

Publicis Groupe is one of the world’s largest communications holding companies, present in over 110 countries and employing about 100,000 professionals. The Groupe is positioned at every step of the value chain, from consulting to execution, combining marketing transformation and digital business transformation.

Our clients compete in the platform world, a horizontal marketplace between creators and consumers, between speakers and listeners, between buyers and sellers. To thrive in the platform world, companies must continue to innovate their products and business models. Four imperatives (1. Real Identity, 2. Dynamic, Diverse and Disruptive Creativity, 3. Smart Media and 4. Direct Relationships) via our suite of world-class agencies, are necessary for modern brands to win in the platform world.

The Investment & Accountability (I&A) team is a key pillar within Publicis Media Exchange (PMX), responsible for ensuring media productivity commitments for global clients. The team works across all media channels, including TV, digital, social, print, and out-of-home, and collaborates closely with local Publicis offices worldwide, client procurement teams, and media auditors. Their role is crucial in delivering cost efficiencies, quality ad placements, and strong ROI, which directly impacts both client relationships and agency revenue.

Join us as Senior Investment Manager, where you'll play a pivotal role in global media investment and accountability. Working with major international clients, you'll ensure media buying efficiency, cost-effectiveness, and ROI, while managing high-profile audits and new business initiatives.

• Oversee media buying performance across all channels—TV, Digital, Social, OOH, Print, and more—ensuring cost efficiency and quality.
• Manage global accountability programs, collaborating with clients, procurement teams, and media auditors to optimize media investment.
• Lead and mentor a team, ensuring high standards in reporting, data analysis, and stakeholder communication.
• Contribute to new business pitches, pricing strategies, and global trading agreements, helping Publicis win and retain top clients.
• Work closely with senior global leadership, gaining exposure to key decision-makers and shaping the agency’s commercial success.

• 3–6 years of experience in media investment, buying, auditing, or media sales.
• Strong analytical, negotiation, and project management skills.
• Experience managing and mentoring junior team members.
• Ability to coordinate multiple stakeholders across global markets.
• A proactive, solutions-driven mindset with a deep understanding of media trading metrics, auditing methodologies, and performance KPIs.

This is a high-impact, commercially focused role with global exposure and career growth potential. If you're looking to step up and make a difference at one of the world's leading media agencies, apply now!

• In the UK, alongside the core benefits such as Pension, Life Assurance, Private Medical, and Income Protection Plan, we also offer:
• WORK YOUR WORLD opportunity to work anywhere in the world, where there is a Publicis office, for up to 6 weeks a year.
• REFLECTION DAYS - Two additional days of paid leave to step away from your usual day-to-day work and create time to focus on your well-being and self-care.
• 24/7 helpline to support you on a personal and professional level.
• Access to remote GPs, mental health support and CBT.
• Wellbeing content and lifestyle coaching.
• FAMILY FRIENDLY POLICIES - We provide 26 weeks of full pay for the following family milestones: Maternity, Adoption, Surrogacy and Shared Parental Leave.
• FLEXIBLE WORKING, BANK HOLIDAY SWAP & BIRTHDAY DAY OFF - You are entitled to an additional day off for your birthday, from your first day of employment.
• GREAT LOCAL DISCOUNTS - This includes membership discounts with Soho Friends, local restaurants and retailers in Westfield White City and Television Centre.

Publicis Groupe operates a hybrid working pattern with full time employees being office-based three days during the working week. We are supportive of all candidates and are committed to providing a fair assessment process. If you have any circumstances (such as neurodiversity, physical or mental impairments or a medical condition) that may affect your assessment, please inform your Talent Acquisition Partner. We will discuss possible adjustments to ensure fairness. Rest assured, disclosing this information will not impact your treatment in our process.

Please make sure you check out the Publicis Career Page which showcases our Inclusive Benefits and our EAG’s (Employee Action Groups).