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.
The Opportunity
PROXA is looking for a Business Development Manager to develop its presence in Spain and Portugal.
This is a highly autonomous role for someone who enjoys building a market, developing client relationships, and leading complex technical sales processes.
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.
Your Responsibilities
* Identify and develop new business opportunities across Spain and Portugal
* Build strong relationships with plant managers, technical directors, procurement and engineering teams
* Understand customer water & wastewater challenges and translate them into tailored solutions
* Support conceptual design for temporary, hybrid (rental + CAPEX) and DBFMO projects
* Conduct site visits and technical discussions with client engineering teams
* Collaborate with engineering teams to develop technical proposals
* Lead negotiations and manage the full sales cycle from prospecting to contract closure
* Ensure smooth handover to operations after contract award
* Follow project performance and customer satisfaction to support long-term account development
* Identify upselling, cross-selling and repeat business opportunities
* Monitor market trends, competitor activity, and upcoming industrial projects
* Represent Proxa at industry events, trade fairs, and technical conferences
Your Profile
* 5–10+ years of experience in industrial B2B technical sales
* Degree in Engineering preferred, or a strong technical background with solid understanding of water and wastewater treatment technologies
* 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
* Strong communication, negotiation and relationship-building skills
* Entrepreneurial and able to work independently
* Fluent in English and Spanish; Portuguese is a plus
* Willingness to travel frequently across the country
What Makes This Role Unique
* Opportunity to build and shape a new region within a fast-growing international company
* High level of ownership and independence
* Exposure to high-impact industrial projects
* A role combining technical depth and commercial responsibility
* Direct contribution to PROXA's growth
What We Offer
* Competitive salary with performance-based bonus
* Company car, laptop and mobile phone
* International and entrepreneurial work environment
* Collaboration with technical experts and global teams
* Professional development and technical training
* Long-term career growth opportunities within the Proxa Group
If you're interested or have any questions, feel free to reach out to Roxane Van Maldegem at