About PROXA PROXA provides advanced water and wastewater treatment solutions for industrial clients worldwide. With a strong focus on mobile and modular systems, PROXA helps customers respond quickly and effectively to water challenges — from emergency and temporary needs to longer-term process optimisation.Its solutions support industries such as mining, chemicals, metals, energy, oil & gas, pulp & paper, and heavy industry, helping clients improve reliability, sustainability and operational performance.PROXA is looking for a Business Development Manager to develop its presence in Spain and Portugal.You will be responsible for driving commercial growth in the region, working closely with engineering and operations teams to deliver tailored water treatment solutions to industrial customers.Identify and develop new business opportunities across Spain and PortugalSupport conceptual design for temporary, hybrid (rental + CAPEX) and DBFMO projectsLead negotiations and manage the full sales cycle from prospecting to contract closureEnsure smooth handover to operations after contract awardFollow project performance and customer satisfaction to support long-term account developmentIdentify upselling, cross-selling and repeat business opportunitiesMonitor market trends, competitor activity, and upcoming industrial projects5–10+ years of experience in industrial B2B technical sales~ Experience in project-based sales and multi-stakeholder environments~ Relevant background in industrial sectors such as mining, chemicals, metals, energy, oil & gas, pulp & paper, or similar environments~ Previous involvement in industrial services, rental solutions or EPC environments is a plus~ Fluent in English and Spanish; Portuguese is a plus~ Exposure to high-impact industrial projectsA role combining technical depth and commercial responsibilityCompetitive salary with performance-based bonusCompany car, laptop and mobile phoneCollaboration with technical experts and global teamsProfessional development and technical trainingIf you're interested or have any questions, feel free to reach out to Roxane Van Maldegem at