Our Mission
Quest One is a general leader in PEM electrolysis. Our goal is clear: we aim to make a significant impact in reducing greenhouse gases with our electrolyzers. Since our beginnings as a science project in 1997, we’ve grown into a subsidiary of Everllence with around 500 employees across three locations worldwide.
Drive climate protection and actively shape the energy transition. Are you ready to join us on this journey?
Our goal: Reduce 1% of the world’s greenhouse gases by 2050. Quest One.
Your Responsibilities
- You will identify, qualify and develop new business opportunities in hydrogen and power-to-X markets.
- You will leverage your existing network of contacts and customers to generate leads and opportunities.
- You will manage the full sales cycle – from prospecting and solution design to proposal, negotiation, and contract closure.
- You will build and maintain strong relationships with key accounts, EPCs, developers, and industrial customers.
- You will act as a trusted advisor by understanding customer needs and matching them with Quest One’s solutions.




- You will represent Quest One at industry events, conferences and customer meetings.
- You will collaborate with technical and product management teams to ensure proposals are feasible, competitive, and aligned with customer requirements.
- You will contribute to regional sales strategy, pipeline development and forecasting.
- You will provide valuable market intelligence on competitors, pricing and trends in hydrogen and renewable energy.

What You Bring
- You hold a degree in Engineering, Business Administration or a related field (MBA is a plus)
- You have several years of B2B sales experience, with industrial knowhow in hydrogen, renewable energy, industrial gases or related sectors
- You have a proven track record of closing multi-million Euro contracts
- You bring an existing network in the hydrogen industry (developers, off‑takers, EPCs, utilities, or industrial customers)
- You demonstra

📌 Senior Sales Manager (España)
🏢 H-TEC Systems
📍 España