The Commercial Leader of a specific vertical is responsible for driving sales and business development within that vertical. They work closely with the Corporate Commercial Officer as well as the Commercial Directors of the regions and/or with the Regional General Managers and/or with local agenst to identify leads & opportunities, create sector-specific strategies, and achieve revenue and market penetration goals. This role involves maintaining deep knowledge of the water & wastewater technologies, sector's trends, competitors, and customer needs to deliver tailored solutions that align with Waterleau’s objectives. Responsibilities The job will include a mix of following activities: Active prospection: Extend the agents network liaise with main contractors in the field (account management) (25%) Support agents and local partners in the territories during interactions with clients and contractors. Provide expert advise and promote the Waterleau technologies and capabilities (25%) Develop and manage converted leads (opportunities) up till a commercial success by connecting with the internal technical and process team and by keeping correct communication with the partners/customers. (50%) This role requires a good technical and process understanding of municipal wastewater treatment solutions as well as of our proprietary LUCAS® technology. Competencies/skills: Technical & Process Expertise: Understanding of municipal wastewater treatment and proprietary technologies, with the ability to translate customer needs into value-added solutions. Business Development & Market Expansion: Proven ability to grow new territories, manage key accounts, and support agent networks to generate opportunities. Sales Pipeline & Opportunity Management: Experience in managing leads from early-stage through to commercial success, ensuring alignment with technical teams and partners. Go-to-Market Execution: Hands-on involvement in executing market strategies and representing the company in external engagements. Relationship Management: Strong capability in supporting and maintaining long-term relationships with agents, contractors, and clients. Internal-External Coordination: Effective collaboration with internal stakeholders (technical, process, commercial) and external ones (agents, partners, clients). Qualifications: Masters degree in Engineering, or a related field, with a strong focus on sales, business strategy, and industry-specific expertise (preferably in water technology or relevant sectors). 5-10 years experience in sales and business development related to municipal water projects, with a successful track record of driving revenue growth, expanding market share, and executing strategic commercial initiatives. Exceptional negotiation, decision-making, and problem-solving skills, with the ability to navigate complex deal structures and secure high-value partnerships. Ability to build and maintain strong relationships with key customers, suppliers, and stakeholders, fostering long-term trust and collaboration. Excellent communication skills: English, French other languages are an asset