* Serve as the main internal contact for clients and engineering partners
* Support external sales with project preparation and follow-up
* Prepare quotations and calculate costs for client projects
* Analyze technical specifications and propose tailored solutions
* Maintain and update technical documentation
* Assist in after-sales service, including complaint handling and coordination
* Collaborate with colleagues to process technical inquiries
* Minimum 2 years of experience in a similar role (HVAC, technical sales, or project management)
* Technical education or equivalent experience is an advantage
* Strong command of French and Dutch; English is a plus
* Proficient in Excel, Outlook, Teams, ERP systems
* Organized, detail-oriented, and customer-focused
* Ability to work under pressure and meet deadlines
* Hybrid work: No remote work for the first 6 months (training), then 2 days/week
* Schedule: 40 hours/week with 32 days of annual leave
* Benefits:Hospitalization insurance (DKV)
* Bonus scheme
* Meal vouchers (€8)
* Eco vouchers
* Group insurance
* Mobility allowance (no company car)