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 general 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

📌 Business Development Manager (Valencia)
🏢 Talent
📍 Valencia