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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 a dynamic team of IT Infrastructure Admins within our innovative IT Organization
  • You develop the IT Infrastructure team to provide skills required today and tomorrow based on  strategic capacity planning
  • You meticulously observe technology trends and evaluate innovative solutions in the area of network, infrastructure and end-user hardware in order to provide the required IT performance
  • You manage a team of M365 application managers and support them in implementing a consistent and efficient application & data architecture
  • You manage external partners efficiently and effectively in order to deliver best-in-class services to our internal customers based on an optimized balance between internal and external service responsibilities
  • You support application managers in other IT functions to design and implement efficient and performant infrastructure solutions
  • You foster close collaboration with business functions across the entire company, actively gathering strategic and functional requirements to derive a scalable and efficient infrastructure strategy
  • You orchestrate the operation of our infrastructure landscape based on service concepts, governance definitions and organizational prerequisites

What You Bring

  • You are graduated in business informatics or comparable studies
  • You bring leadership experience within a user service-driven IT Organization
  • You have strong experience in IT infrastructure administration in hybrid cloud and on-premises environments and also in end-user device management, including HW/SW imaging, SW distribution and upgrades
  • You are experienced in Agile/SAFe Methodology and IT Project Management
  • You bring high problem-solving skills and are very well organized
  • You have the sociability and ability to work in a team, a confident and friendly demeanor, flexibility, as well as strong commitment and willingness to perform
  • You are fluent in written and spoken German and English

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.