Senior Manager, Investment & Accountability - Media

Publicis Groupe; London; Hybrid; GBP 40,000 - 80,000; Full time

Job summary

An established industry player is seeking a Senior Investment Manager to lead global media investment and accountability initiatives. In this pivotal role, you will enhance media buying efficiency and ensure cost-effectiveness for major international clients. You will manage audits, mentor a talented team, and contribute to new business strategies, all while gaining exposure to senior leadership. This high-impact position offers the opportunity to make a significant difference in a dynamic environment, where your skills will directly influence client relationships and agency success. If you are ready to step up your career at a leading media agency, this is the role for you.

Benefits

Pension

Life Assurance

Private Medical

Income Protection Plan

Work Your World Opportunity

Reflection Days

Help@Hand Benefits

Family Friendly Policies

Flexible Working

Birthday Day Off

Qualifications

• 3-6 years of experience in media investment or buying.
• Strong analytical and negotiation skills are essential.

Responsibilities

• Oversee media buying performance across all channels.
• Manage global accountability programs and collaborate with stakeholders.

Skills

Analytical Skills

Negotiation Skills

Project Management

Education

Bachelor's Degree

Tools

Media Trading Metrics

Auditing Methodologies

Job description

Company description

OVERVIEW
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.

HELPING OUR CLIENTS UNLOCK GROWTH IN THE PLATFORM WORLD
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. At Publicis Groupe, we’ve invested in capabilities across these four imperatives our clients need to unlock growth. As the only one who can architect, build and orchestrate end to end solutions, not only do we have a proven record of building bespoke models for clients and leading expertise across all major industry categories, we are able to offer our talents more opportunities to grow and benefit from a richer learning experience. We call this Power of One. Powered by a 100,000-strong network via Marcel, our AI-based platform, we are also able to provide our clients and talents instant access to resource, knowledge for any need, any time, in any market.

THE SPIRIT OF VIVA LA DIFFERENCE
Viva La Difference is deeply rooted in everything we do. It has always been in our DNA. From the birth of Publicis, 94 years ago, when Marcel Bleustein-Blanchet, our founder, invented French advertising. Viva La Difference expresses how we value and respect each individual and recognize what makes us distinctive. This is the charge that inspires our teams to celebrate the differences in identity, background, culture, and experience of all of us. It is how we behave with each other and our clients, and it is deeply rooted throughout our work, to elevate and bring to life our differences throughout the platform world.

Overview

The Team
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.

The Role
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.

Responsibilities

• 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.

Qualifications

• 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!

Additional information

Benefits:
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.
• HELP@HAND BENEFITS 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).