Location: Belgium (HQ based) with European scope Scope: Global/European responsibility – Rental Business Contract: Full-time, permanent Reporting line: Chief Commercial Officer Travel: ±30–40% across Europe At Waterleau, we design, build, and operate sustainable water and wastewater solutions that help industries and communities reduce their environmental footprint. To accelerate our growth, we are building a dedicated Rental Solutions Business with containerized and mobile treatment units. We are looking for a Commercial Leader – Rental Solutions to develop this business into a top-three player in the European rental market. This is a senior strategic commercial role with end-to-end ownership of market development, business planning, and commercial performance. While not a formal people management position, you will steer the rental business and orchestrate cross-functional teams across sales, product, operations, and marketing. Your mission You will design, launch, and scale our rental business across Europe by translating market demand into a high-performing fleet and profitable commercial model. You will: Define and execute the overall rental business strategy Conduct market analysis and build the business plan and go-to-market strategy Develop and deploy the rental fleet and branch structure Identify and win new customers and partnerships Act as the voice of the customer internally Drive revenue growth, margin optimization, and customer satisfaction Align closely with Business Development, Commercial Leaders, Product, and Marketing What you bring Master’s degree in Business, Engineering, or related field 8–12+ years of B2B commercial/business development experience Experience in rental, equipment leasing, industrial solutions, or water/environmental technologies Strong understanding of water & wastewater technologies (or ability to quickly acquire) Proven track record in revenue growth and market expansion Strategic thinker with hands-on execution capability Data-driven and comfortable with analytics and performance dashboards Strong negotiation and stakeholder management skills Comfortable working across cultures and geographies Success metrics (KPIs) Customer satisfaction (NPS) Time-to-market for rental offers Annual recurring rental revenue Added value/margin on rental business Year-over-year growth What we offer Competitive base salary Performance-based bonus Company car or mobility budget Hospitalization & group insurance Meal vouchers & net allowances Flexible/hybrid working 32+ days of leave International exposure and high autonomy The opportunity to build and scale a new business line Why join us? This is a unique opportunity to build a business almost from scratch within a well-established technology leader. You will combine strategy, entrepreneurship, and impact — contributing directly to more sustainable water management across Europe. Interested? Apply with your CV and motivation letter. We value diversity and encourage candidates from all backgrounds to apply.