Senior Investment Manager

Publicis Groupe; City of Westminster; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading communications holding company in the UK seeks a Senior Investment Manager to lead accountability programmes for global clients. Responsibilities include managing media investments, building client relationships, and supporting new business initiatives. Candidates should have strong media agency experience, excellent analytical skills, and the ability to manage junior team members. The role offers a hybrid working pattern and various employee benefits.

Benefits

Opportunity to work anywhere in the world for up to 6 weeks a year

Two additional paid leave days for well-being

Access to 24/7 support helpline

26 weeks of full pay for family milestones

Birthday day off from first day of employment

Membership discounts with local restaurants

Qualifications

• Strong experience in media agency buying/investment, media auditing, or media owner sales.
• Strong knowledge of media trading metrics, KPIs, and audit methodologies.
• Excellent analytical, numerical, and problem-solving skills.
• Experience managing 1-2 junior team members.
• Confident communicator who can work effectively with senior stakeholders and cross-functional teams.
• Proactive, solutions-focused, and highly organized.
• Ability to process large datasets and distill them into actionable insights.

Responsibilities

• Lead day-to-day management of accountability programmes.
• Prepare and present reports and bespoke analyses.
• Build strong relationships with clients and teams.
• Line-manage a Manager and (Senior) Executive.
• Support new business activities, including pricing exercises.
• Contribute to negotiation and management of global trading agreements.
• Optimize reporting templates and processes.
• Share insights and best practices across markets.
• Take ownership of projects and workstreams.

Skills

Strong experience in media agency buying/investment

Strong knowledge of media trading metrics and KPIs

Excellent analytical, numerical, and problem-solving skills

Experience managing junior team members

Confident communicator for senior stakeholders

Proactive, solutions-focused, and organized

Ability to process large datasets

Job description

As a Senior Investment Manager, you will take ownership of accountability programmes for key global clients while supporting new business initiatives. This role blends operational delivery, strategic insight, and leadership:

Responsibilities

• Lead day-to-day management of accountability programmes, ensuring media cost, quality, and ROI commitments are met.
• Prepare and present reports and bespoke analyses that translate complex media data into clear insights and recommendations.
• Build strong relationships with clients, local PMX teams, global account teams, and auditors, providing guidance and support on best practices.
• Line-manage a Manager and (Senior) Executive, fostering development, performance, and collaboration.
• Support new business activities, including pricing exercises, proposals, RFIs/RFPs, and benchmarking.
• Contribute to the negotiation and management of global trading agreements.
• Optimize reporting templates, tools, and processes, driving efficiency and continuous improvement.
• Share insights, learning, and best practices across markets, contributing to a strong, collaborative global trading community.
• Take ownership of projects and workstreams, leading initiatives that improve processes, tools, and delivery standards.

Qualifications

• Strong experience in media agency buying/investment, media auditing, or media owner sales.
• Strong knowledge of media trading metrics, KPIs, and audit methodologies.
• Excellent analytical, numerical, and problem‑solving skills.
• Experience managing 1‑2 junior team members.
• Confident communicator who can work effectively with senior stakeholders and cross‑functional teams.
• Proactive, solutions‑focused, and highly organized.
• Ability to process large datasets and distill them into actionable insights.

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.

About the Team

The Global Investment & Accountability (I&A) team ensures Publicis delivers measurable value to its global clients. We manage media productivity commitments across all media types‑TV, Radio, Print, Out‑of‑Home, Digital Display & Video, Social, and Cinema. Working globally, the I&A team collaborates with Publicis offices worldwide, client procurement teams, and third‑party media auditors (e.g., Ebiquity, MediaSense, ECI, Cortex, IDComms) to ensure campaigns meet contractual cost, quality, and ROI commitments. This high‑visibility team combines media investment, auditing, reporting, and strategy to deliver commercial impact.

Benefits

• 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.