M&M's Performance Marketing Manager H/F/X

Job Description

Segment: Mars Wrigley

Contract: Permanent/CDI

Location: Paris & Haguenau (near to Strasbourg)

The M&M’S Performance Marketing Manager is responsible for driving traffic and sales for M&M’S DTC & DTB online businesses in several markets in Europe. He/she defines future growth opportunities (occasions, media, partnerships) and uses a data-driven approach to maximize strategic decision-making for the channel performance.

This role manages the multi-million euros paid media budget and oversees online performance-based marketing channels (search, social, display/retargeting, affiliate, etc.) for our European digital business. The manager works with media and advertising/marketing agencies and collaborates cross-functionally with internal teams such as Brand, Creative, CRM, Finance, and Merchandising to execute 360 campaigns for the M&M’s brand and ecosystem. Additionally, he/she communicates performance trends & results to senior leadership on a weekly/monthly/quarterly basis, highlighting opportunities for continuous improvement in the EU Digital market.

He/she owns reporting tools and dashboards and drives the adoption of the newly implemented attribution and marketing mix modelling tool to improve incrementality measurement and support more data-driven decision making. The role may include oversight of one to two interns to help develop the business.

What are we looking for?

• Minimum of a BA/BS in Marketing or Business Administration
• 5‑10 years of digital marketing experience at a similar level
• Hands‑on experience with DTC acquisition marketing initiatives (Google, Meta, ...)
• Demonstrated experience managing 7‑figure annual media/acquisition budgets, including forecasting and budget allocations.
• Ability to develop marketing strategies and successful executions in a highly tactical and promotional environment, while remaining true to brand’s character and position.
• Demonstrated success implementing, monitoring, measuring, and recommending optimisations.
• Experience working with, and overseeing, external media and marketing agencies.
• Ability to make business decisions using data and a test‑and‑learn approach.
• Experience with web analytics tools such as Google Analytics and/or marketing attribution tools such as Measured.
• English: Excellent written, verbal, and interpersonal communication skills.

What would be your key responsibilities?

• Ensure execution of the marketing strategy and plan, including using data to make decisions and propose new tactics for business growth.
• Development of promotional strategies and management of the promotional calendar and related activations for the EU.
• Collaborate with the EU Digital leader and other global Digital team members for creative assets, promotions, customer service, supply chain, and business development.
• Regularly monitor, analyze trends, recommend improvements, and report performance against marketing KPIs (current plan and prior year) for sales channels.
• Serve as digital marketing subject matter expert, maintaining awareness of best practices, industry trends, benchmarks, and competitive activity.
• Handle day‑to‑day management/accounting of marketing budget, invoicing, and financial processes.
• Contribute to annual marketing strategy and lead planning processes as needed.
• Collaborate with the M&M’S Ecosystem and Global Mars associates to share insights and drive efficiencies.
• Maintain relationships with key agency and media partners such as Meta, Google, Pinterest, etc., disseminating key learnings to the organization.
• Partner with cross‑functional team members to ensure shared goals, objectives and initiatives are realized while making decisions in line with the Five Principles of Mars.
• Drive change within the organisation at EU Digital level to adopt a measurement approach based on incrementality and develop usage of the marketing mix modelling tool as a primary source of truth.

What can you expect from Mars?

• You will join the most iconic segment of Mars and the world's largest chocolate manufacturer, which includes M&M's, Snickers, Twix, Maltesers, Freedent, Airways and Be-Kind cereal bars.
• You will join the 1,750 Mars Wrigley associates spread over the 3 sites in Alsace.
• In Haguenau, you will work on the site of the largest M&M's factory in Europe and the second largest in the world.
• In Haguenau, you will work on a unique site, in the heart of the Haguenau forest, with the bonus of a co‑working space shared with the Mars Global Services teams, ideal for creating great synergies.

A Mars segment committed to a healthier planet

• Our M&M's plant is powered by renewable energy, with 90% of its needs covered by "green steam". It is the M&M's site that emits the least CO2 in the world!
• Our Steinbourg ice cream plant has invested in heat recovery from the refrigeration units, reducing gas consumption by nearly 50% and avoiding the release of 10 tons of CO2 over five years.