Validation and Reliability Test Engineer (all genders)
H2fly Gmbh
Posted: December 23, 2025
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Quick Summary
Join our team as a Validation and Reliability Test Engineer to work on cutting-edge hydrogen-electric powertrain systems, contributing to the development of quiet, zero-emission flight.
Required Skills
Job Description
About H2FLY:
Join H2FLY, the leader in hydrogen-electric powertrain systems for aviation. Since 2015, we’ve been developing, integrating and testing hydrogen-electric powertrains and demonstrated several records including the world’s first piloted flight powered by liquid hydrogen.
Since 2021, we’re part of Joby Aviation, the leading developer of electric air taxis. Together, we’re accelerating the path toward quiet, zero-emission flight.
As part of our team, you will work hands-on on cutting-edge technology that is shaping the future of aviation. By harnessing the power of fuel cell technology, our team is at the forefront of making hydrogen-electric flight a reality.
From engineers to software experts, our team spans different disciplines. We celebrate the different skills and perspectives everyone brings to the table and foster a work environment where new ideas can thrive.
Become part of the future of flight.
Responsibilities:
We are seeking a Validation and Reliability Test Engineer (all genders) to join our team. In this role you develop test strategies, execute validation campaigns, and make sure our components and systems meet the highest standards.
• You derive test and validation procedures from requirements for component and system verification
• You create verification and test plans as well as detailed specifications
• You define and develop test setups – both software and hardware – for components and systems
• You select and integrate suitable measurement technology
• You plan and execute tests on component and system test benches (internal and external)
• You analyze and assess test results together with internal teams and prepare documentation
• You support test campaigns abroad and are willing to travel for several weeks
Requirements:
• Degree in Mechanical Engineering, Mechatronics, Electrical Engineering or similar
• Experience in statistical test planning and component testing
• Knowledge in reliability testing
• Experience in plant engineering, especially electrical systems
• Fluent language skills in German and English
• Experience with fuel cells
• LabVIEW programming skills
• Familiarity with JAMA
What we're looking for:
We're looking for people who take initiative, own their work, and develop solutions together. You enjoy working hands-on, stay curious, and are ready to grow with us.
• Hands-on mentality: You turn ideas into action and aren't afraid to roll up your sleeves
• Ownership: You take responsibility for your work, embrace new challenges, and think proactively
• Team collaboration: You work well in teams, communicate clearly, and organize your work independently
• Structured thinking: You approach complex tasks methodically and focus on finding solutions
• Personal qualities: Curiosity, resilience, and a willingness to keep growing
What we offer:
• Working with purpose: transforming the aviation industry
• Flexible working hours and remote work options
• 30 days paid vacation
• Continuous training on the job and individual career development opportunities
• Access to the Corporate Benefits platform
• A public transport friendly office and transportation allowance
• In-house gym and Urban Sports membership
• Childcare subsidy
• Regular team events and celebrations
• A team that truly values diversity and achieves great things together