Process Engineer – Water

We're looking for a hands-on Process Engineer who's eager to dive deep into water technology and grow with us.

What you'll do

• Analyse industrial sites and run water audits to identify reuse and efficiency opportunities.
• Model and design water & wastewater treatment processes (PFDs, mass balances, simulations, P&IDs, technology selection, functional analyses, automation choices, etc.).
• Build CAPEX/OPEX estimates and compare technical solutions.
• Support lab testing, pilot trials, and technology validation.
• Prepare clear technical reports and client presentations.
• Capture lessons learned and continuously improve our solutions and standards.

What you'll bring

• Master's degree in Process/Chemical/Bioengineering (or equivalent).
• 3+ professional years of experience in a similar role (industry or supplier side).
• Experience in the water sector is a plus.
• Solid knowledge of water technologies such as RO, IX, UF, NF, activated sludge, anaerobic digestion.
• Proactive, autonomous, structured, and a team player with an entrepreneurial mindset.
• Comfortable moving between office, lab bench, and muddy job sites.
• Fluent English with a fair French level; Dutch is a plus.

What we offer

• A key role in a purpose-driven startup shaping water sustainability in Belgium and Europe.
• High autonomy, real responsibility, and room to take initiative.
• A strong culture of excellence, independence, innovation, and impact.
• A fast-paced learning environment with long-term growth prospects.
• Competitive, evolving compensation package.
• Hybrid working model with an office in Brussels (Watermael-Boitsfort).

About Revalio

At Revalio, they help industry shift from a take–make–waste model to a circular save–treat–reuseapproach. Thanks to our deep water-management expertise, they deliver innovative solutions that help clients reduce water footprints, cut costs, protect the environment, and stay resilient in the face of growing resource & regulatory challenges. They act as a trusted partner from concept through design, realization, and operational support. Their clients are mid- to large-size industrial companies in Belgium, and they're expanding abroad.

How to apply

Ready to transform industrial water technology management?
We'd love to hear from you here

Revalio is an equal-opportunity employer. We welcome applications from all backgrounds and identities.