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Our Mission

Quest One is a global 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.


Our mission: 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 Responsibilties

  • Taking the lead role in highly complex industrial projects (>100 MW, multi-partner setups).
  • Leveraging established network of contacts and customers to generate high-quality leads and opportunities.
  • Developing commercial strategies, pricing concepts and bid architectures independently.
  • Managing strategic key accounts and long-term partnerships.
  • Support to management and VP Sales with market strategy, forecasting, and opportunity prioritization.
  • Driving further development of MHP commercialization, business cases, and go-to-market strategies.
  • Representing Quest One at industry events, conferences, and customer meetings to strengthen market visibility.
  • Collaborating closely with technical and product management teams to ensure proposals are feasible, competitive, and aligned with customer requirements.

What You Bring

  • Degree in Engineering, Business Administration, or related field (MBA is a plus).
  • Extensive experience in B2B sales, including experience in hydrogen, renewable energy, industrial gases, or related sectors.
  • Proven track record of delivering multi-million Euro contracts.
  • Existing network of hydrogen industry contacts (developers, off-takers, EPCs, utilities, or industrial customers).
  • Strong business development and negotiation skills.
  • Excellent communication and presentation abilities.
  • Technically competent to engage in solution discussions with customers and engineers.
  • Self-starter, goal-oriented, with the ability to work independently and in cross-functional teams.
  • Fluency in English. Additional languages are a plus.

Why Quest One?

  • OWNERSHIP – We grow together with Quest One, and you have the opportunity to take active responsibility.
  • ONE TEAM – A strong team that sticks together and shapes the future.
  • LEARNING – Personal growth is our focus, with numerous development opportunities.

Your Benefits

  • Flexible work arrangements for a good work-life-balance.
  • Regular updates and transparent communication through our town-hall-meetings.
  • Buddy program as part of onboarding.

Do you want to help shape the future with us?
Then apply now at Quest One and become part of a team that truly makes a difference.

At Quest One, we’re looking for people who want to actively help shape the future. What matters to us is your talent and motivation—your background, skin color, religion, gender, sexual orientation, age, or disability doesn’t matter. Our diversity makes us stronger, more creative, and more successful. Together, we grow as a team in an inclusive and sustainable environment where discrimination has no place. Join a global company that values diversity and is committed to equal opportunities.