Operational Buyer (Supply Chain)

About the role

Harmattan AI is scaling its production and supply chain capabilities and seeks an Operational Buyer to join the Supply Chain team. The role bridges planning and procurement, ensuring components are delivered on time, data is accurate, and suppliers meet their commitments.

Key responsibilities

• Translate production requirements into supplier purchase orders in close coordination with supply planners.
• Create, issue and track purchase orders from placement to delivery using Odoo.
• Monitor deliveries, anticipate supply risks and follow up with suppliers, escalating when necessary.
• Negotiate operational conditions such as lead times, minimum order quantities and delivery terms.
• Maintain accurate master data in the ERP system, owning data quality for the assigned product perimeter.
• Coordinate with planning, project and operations teams to guarantee component availability.
• Support onboarding of new suppliers in collaboration with category buyers.

Required profile

• 3‑5 years of experience in operational purchasing or procurement, preferably in an industrial or high‑tech environment.
• Fluent in French and English.
• Experience in defense, aeronautics or industrial electronics is a plus.

Required skills

• Proficiency with an ERP system – Odoo preferred; experience with SAP, Oracle or Microsoft Dynamics is also relevant.

What we offer

• A key operational role in a fast‑growing defense startup with direct impact on product availability.
• Opportunity to shape and improve supply chain processes within a structured team.
• Fast‑paced environment with close collaboration across engineering, projects and operations.