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Groupement Mousquetaires

European retail group operating multiple brands

Stage – Chef de Projet RSE H/F

Full-TimePosted on 10/19/2026
€6.92/hr
Internship
Bachelor's
Vert-le-Grand, France
HybridUp to two days of remote work per week.
Project & Program ManagementProject Management

About the job

Requirements
  • You are pursuing education at Bac+4/Bac+5 level or equivalent.
  • You have knowledge of or an interest in sustainable development or RSE.
  • You are proficient in the full Microsoft Office suite.
  • You are seeking a six-month internship starting in January 2027.
Responsibilities
  • Support the RSE Manager in defining and implementing the organization's RSE strategy.
  • Support the RSE Project Manager and lead project-management work on RSE topics, including solidarity donations at checkout, food waste prevention, commercial operations, and solidarity collections.
  • Contribute to the entity's non-financial reporting, including the carbon assessment and climate contract, by collecting, consolidating, and analyzing data, and support the bio audit.
  • Monitor developments across RSE topics.

About the company

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Groupement Mousquetaires

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Groupement Les Mousquetaires coordinates a network of independent retailers across Europe under banners such as Intermarché, Netto, and Bricomarché. Member-store owners use the group’s buying power, supplier relationships, and brand support to stock and run their shops, offering groceries, DIY goods, and automotive services. Unlike single-owned chains, it is a federation of privately owned stores that operate under multiple brands while sharing purchasing and services. Its goal is to help independent shop owners compete, grow their networks, and provide accessible, value-focused retail across Europe.

Company Size

10,001+

Company Stage

N/A

Total Funding

N/A

Headquarters

Paris, France

Founded

1969

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Simplify Jobs

Simplify's Take

What believers are saying

  • 2025 revenue reached €48.662 billion excluding fuel, up 4.2% year over year.
  • June 2026 Auchan agreement hands 72 more supermarkets to Intermarché.
  • September 2026 leadership pushed student-price support and agricultural aid, strengthening brand relevance.

What critics are saying

  • February 2026 antitrust approval forced three Colruyt store divestitures, signaling regulatory scrutiny.
  • Colruyt France still threatened 950 jobs in 2026, complicating integration and morale.
  • January 2025 antitrust conviction with Casino shows recurring competition-law exposure.

What makes Groupement Mousquetaires unique

  • Intermarché and Netto gained 17.5% French grocery share by late 2025.
  • Agromousquetaires supplies 56 factories and abattoirs, tightening control over food economics.
  • 2026 Colruyt and Auchan deals expand footprint through independent-merchant franchise scale.

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Benefits

  • Health Insurance
  • Meal Benefits
  • Gym Membership
  • Remote Work Options
  • Flexible Work Hours
  • Employee Discounts