Alternance - Chargé(e) d'Administration RH (H/F)

Chargé(e) Administration RH Context The HR Administrative Assistant supports the HR team in the day-to-day management of administrative tasks, ensuring data quality and accuracy, compliance with internal procedures, and legal requirements. He/she contributes to delivering a smooth employee experience, facilitating the work of the HR team, and improving the overall operational efficiency of the department. Missions 1/Operational management of employee files

• Update and maintain individual employee records (contracts, amendments, certificates, legal documents)
• Ensure proper record keeping, archiving, and confidentiality of information

2/Administrative support for recruitment & onboarding

• Prepare documents required for hiring (DPAE, contracts, health insurance and benefits enrollment documents)
• Contribute to the onboarding of new employees

3/Absence management & administrative follow-up

• Process leave requests, absences, sick leave, and update Workday accordingly
• Communicate necessary information to managers and payroll teams to ensure proper processing

4/Communication & internal relations

• Ensure the dissemination and updating of HR information (new processes, regulatory reminders, internal campaigns)
• Respond to employees' HR administrative inquiries and direct them to the appropriate contacts

5/Contribution to continuous improvement

• Propose ideas to optimize administrative processes, reduce turnaround times, and simplify repetitive tasks
• Participate in the implementation of digital tools, supporting the digitalization and streamlining of procedures

Profile

• Bachelor's degree in AES / Employee Administration / HR or Master's degree in HR
• Available as of September 2026
• Languages: French (native or bilingual) and English (professional proficiency)

• Advanced use of Microsoft Office tools
• Excellent verbal and written communication skills, with strong structuring, argumentation, analytical and synthesis capabilities
• Basic administrative and legal knowledge of employment law
• Ability to adapt communication style and posture to different stakeholders

• Rigor, organization, anticipation and prioritization skills
• Strong HR mindset, embodiment of company values, and a high sense of confidentiality
• Autonomy, proactivity, dynamism, adaptability, and versatility

Conditions

• Apprenticeship
• Based in Paris La Villette.
• Current remote working policy: 8 days per month, subject to manager and team approval; possibility to take one full remote-working week per quarter.

All our positions are open to people with disabilities.