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