INTERNSHIP DETAILS

Stage - Assistante Ressources Humaines Junior (H/F/X) - Janvier 2026

CompanyMars
LocationHaguenau
Work ModeOn Site
PostedJanuary 25, 2026
Internship Information
Core Responsibilities
As a Junior Human Resources Assistant, you will be involved in various tasks related to data production and analysis, contributing to ongoing projects within the division. You will also manage the onboarding program for new employees and engage with interns and apprentices.
Internship Type
full time
Company Size
64491
Visa Sponsorship
No
Language
French
Working Hours
40 hours
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About The Company
We’re a unified force of 170,000+ Associates, taking action every day toward the world we want tomorrow. Our Five Principles have kept us true to ourselves and to our commitment to treat others in ways that are consistent with those values. Having stood the test of time, these principles will continue, keeping us free to move quickly and plan for the future. Quality - The consumer is our boss, quality is our work and value for money is our goal. Responsibility - As individuals, we demand total responsibility from ourselves; as Associates, we support the responsibilities of others. Mutuality - A mutual benefit is a shared benefit; a shared benefit will endure. Efficiency - We use resources to the full, waste nothing and do only what we can do best. Freedom - We need freedom to shape our future; we need profit to remain free. Note to Parents: https://www.mars.com/about/policies-and-practices/note-to-parents/np-english For more information, please visit mars.com. Follow us: facebook.com/mars, twitter.com/marsglobal, instagram.com/marsglobal/, youtube.com/mars For more information about careers at Mars, please visit careers.mars.com Follow us: facebook.com/LifeAtMars, instagram.com/LifeAtMars/, tiktok.com/LifeAtMars Mars, Incorporated is not responsible for any content or activity made available via third party sites or services. Page subject to: mars.com/legal mars.com/privacy
About the Role
<div><div><div><div><div><div><div><div><div><div><div><div><div><div><p style="text-align:left"><b>Job Description:</b></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div><p><span style="color:#4a4a4a"><b><span style="font-size:inherit">Stage - Assistant(e) Ressources Humaines Junior (H/F/X) - Janvier 2026 <br />Mars Wrigley - 6 mois à Haguenau (proche Strasbourg)</span></b></span></p><p><span style="color:#4a4a4a"><b><span style="font-size:inherit">Mars Internship Experience</span></b></span></p><p></p><p><span style="color:#4a4a4a"><b><span style="font-size:inherit">Ta mission :</span></b></span></p><p>Vous serez intégré à l'équipe P&O (People & Organisation) et plus particulièrement dans la fonction Business Partner de Mars Wrigley.</p><p></p><p><span style="color:#4a4a4a"><b><span style="font-size:inherit">Ta journée type :</span></b></span></p><p><span style="color:#4a4a4a"><span style="font-size:inherit">En tant qu'Assistant(e) Ressources Humaines junior, vos missions seront variées et développantes, en adéquation avec les projets en cours au sein de la division. Vous serez notamment en charge de : </span></span></p><p><span style="color:#4a4a4a"><span style="font-size:inherit">- Production de données et analyse des insights qui en découlent, participation à la création du plan d'action qui en découle</span></span></p><p><span style="color:#4a4a4a"><span style="font-size:inherit">- Contribution au travail de l'équipe sur les projets en cours (ex : santé au travail, déploiement d'outils de développement RH, etc) sur les aspects organisation, développement d'outils, communication.</span></span></p><p><span style="color:#4a4a4a"><span style="font-size:inherit">- Gestion en autonomie du programme d'onboarding des nouveaux colllaborateurs</span></span></p><p><span style="color:#4a4a4a"><span style="font-size:inherit">- Gestion et animation de la communauté de stagiaires et apprentis (engagement, développement et carrière)<br /></span></span></p><p><span style="color:#4a4a4a"><b><span style="font-size:inherit">Ton profil :</span></b></span></p><p>Etudiant en Master 1 ou Master 2, de préférence à dominante RH ou avec l'appétence pour le sujet</p><p>Maîtrise de l'anglais</p><p>Maîtrise de excel (crunching de données - maîtrise de formules ; analyse - maitrise des tableaux croisés dynamiques)</p><p>Maîtrise d'outils de présentation (powerpoint, canva, etc)</p><p style="text-align:inherit"></p><p style="text-align:inherit"></p>
Key Skills
Human ResourcesData AnalysisOnboardingProject ManagementCommunicationExcelPowerPointCanvaEnglish
Categories
Human ResourcesConsultingAdministrativeEducation