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Publiée 20 juillet 2026

P&O Business Partner - M/F/X

Mars, Incorporated
Saint-Denis, Île-de-France 93200, France CDI

Job Description:

Location : Paris; Saint-Denis-De-L'Hôtel; Ernolsheim

Segment : Pet Nutrition

Contract Type : 18-months assignement

We are looking for a P&O Business Partner to manage our operational scope of 250 FTEs across three distinct markets. Operating in a standalone capacity with no direct team in place at present, you will play an essential role in driving both daily operations and legal compliance. A significant portion of your energy will be dedicated to fostering constructive labor relations with French employee representatives and social partners, as well as arbitrating critical P&O decisions at the legal entity level.

What are we looking for?
  • Strong business acumen and a genuine interest in business-related topics, excellent interpersonal skills, and the ability to navigate complex environments.
  • Proven ability to build and maintain strong professional networks.
  • Agile, strategic, and hands-on mindset, with a courageous and positive personality.
  • Ten years of experience in Human Resources.
  • Fluent English & French


What will be your key responsibilities?
  • Support the BENEFRA P&O Head on current and upcoming projects
  • Collaborate closely with the P&O Head and the Leadership Team to define and implement the P&O strategy in alignment with business priorities.
  • Provide insights and recommendations on organizational design and effectiveness, culture, and talent management.
  • Support Mars Signature Talent Programs: MDR, succession planning, and merit processes.
  • Work with the P&O Head to foster a culture that drives engagement and performance. Support teams and hold them accountable for completing MAS impact planning sessions and ensuring regular follow-through so that actions aimed at enhancing the Associate Experience are executed and embedded within the organization.
  • Partner with Associate Relations, Unions, MyP&O, Rewards, and Payroll to ensure a consistent, transparent, and trusted employee experience.
  • Partner with business leaders, Finance, and the P&O Coordinator to monitor headcount, wages, workforce metrics, and turnover, and to drive data-based recommendations.


What can you expect from Mars?
  • At Mars, we believe in a relationship of mutual trust, dignity and respect between our company and Associates that is more meaningful than the standard employer/employee relationship.
  • As Associates, we can expect to be respected, supported and valued as individuals, to be treated fairly and equitably.
  • The opportunity to learn and develop, taking charge of your own career across Mars.
  • The PetLovers segment, committed to building a better world for our pets!
  • An office where your dog will be welcome and will be accompanied by 18 other Associate dogs
  • You will join a large family of 1000 Petcare Associates, spread over 2 sites in France, including 2 factories

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