HR Assistant

Who are we looking for?

As part of a maternity leave replacement, we are recruiting an HR Assistant to join an international environment and provide direct operational support to the Senior HRBP France. You will work across a structured scope of four legal entities in France, handling a variety of responsibilities at the core of HR operations.

We are Offering...

At ESI, you will be part of a highly collaborative culture that promotes continuous improvement through cross‑functional partnerships to achieve our mission. We do this through a strong and unified culture and transparent management which has empowered us to create high‑performance teams that achieve superior solutions for our customers.

Salary depending on profile (around €25K)

What will you be doing?

Your responsibilities:

• HR Administration & Daily HR Operations
  • Manage employee onboarding and offboarding (DPAE, contracts, amendments, medical visits, health insurance, etc.)
  • Handle day‑to‑day HR administration (letters, certificates, employee records)
• Time Management & HRIS (Lucca) – Key Responsibility
  • Manage working time, leave, and absences
  • Ensure HR data is accurately maintained in HR systems (Lucca, SAP SuccessFactors)
  • Set up new employees in the systems
• Payroll & External Stakeholder Coordination
  • Collect, input, and submit payroll variable elements
  • Act as the main point of contact with the payroll provider (ADP)
  • Manage relationships with external organizations (social security, health insurance, occupational health services, etc.)

Who are You?

• You hold a degree in Human Resources (Bachelor’s level, 2–3 years minimum) or equivalent
• You have initial experience in HR (including internships or apprenticeships)
• You are comfortable with digital tools (Excel, HRIS, etc.)

What competencies will you need?

• Excellent communication and collaboration skills
• Strong attention to detail, with a high level of accuracy and organization (data reliability is essential)
• Proactive mindset and willingness to learn in a dynamic environment
• Comfortable using HRIS and time & attendance management tools (prior experience with Lucca is a strong plus)
• Discretion, reliability, and a strong sense of confidentiality

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.