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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 MAN Energy Solutions with around 550 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

  • You lead the technical subproject in the development of electrolysis systems
  • You are responsible for meeting the subproject goals in engineering
  • You integrate all technical sub-disciplines and modules and facilitate decision-making processes
  • You develop validation plans for electrolyzers
  • You assess technical risks and lead root cause investigation
  • You advise during the preparation of the specifications, prepare and agree on the specifications in response to the technical requirements of the specifications, and prepare specifications for sub-systems (modules)
  • You have functional authority over assigned WPOs (cross-functional leadership) and plan requirements for assigned teams in engineering in coordination with overall project management

What You Bring

  • You have a degree in mechanical engineering, process engineering, electrical engineering, mechatronics or a comparable field of study
  • You have several years of experience in the development of complex industrial products and systems; ideally, you have experience in the field of electrolysis
  • You are an initiator with a high degree of independence and responsibility
  • You have experience in project management
  • You are comfortable in making decisions
  • Your English level is fluent, and German is an advantage but not a must
  • You have strong organizational, coordination and communication skills and act as a team player
  • You have strong assertiveness and negotiation skills

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 and home office options.
  • Regular updates and transparent communication through our All-Hands meetings.
  • Buddy program as part of onboarding.
  • Free drinks, fruit, and a JobRad for a greener commute.

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.