Plant HR Associate

About Us

Harmattan AI is a next‑generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission‑critical systems to allied forces. Our work is guided by clear values: building technologies with real‑world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.

Responsibilities

HR Operations & Personnel Administration

• Manage individual employee situations end‑to‑end: disciplinary procedures, conflict resolution, and sensitive cases in compliance with French Labour Code.
• Handle personnel administration: contracts, amendments, employee files, employment certificates, and all HR documentation for on‑site employees.
• Prepare variable payroll inputs (absences, overtime, bonuses, new hires, leavers) and liaise with the payroll provider; cross‑check payslips before each payroll close.
• Track and manage absences and leave requests via HiBob; validate hours in Skello prior to payroll.
• Ensure compliance with applicable collective agreement (Métallurgie) and all legal HR obligations as headcount scales.
• Maintain accurate employee records in the HRIS and ensure proper archiving of all HR documents.

Onboarding/Offboarding Support

• Design and deploy a scalable onboarding process adapted to the plant environment; ensure each new joiner has a structured, warm, and efficient integration from day one.
• Manage the interface with agencies for the temporary workforce (contracts, scheduling, absence replacements).
• Handle offboarding with clarity and proper handover of information.

Manager & Employee Partnership

• Act as the single HR point of contact for the site: be a visible, accessible, and trusted presence on the shop floor every day.
• Support the Site Director and line managers with concrete, operational HR answers — close to production, close to the teams.
• Coach managers on HR tool usage (HiBob, Skello) and best practices.
• Contribute to a healthy working environment by addressing employee concerns promptly