Simulation Engineer (all genders) with focus on AC-Modeling

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 looking for a Simulation Engineer (all genders) with focus on AC-Modeling who models, analyzes, and advances hydrogen‑electric propulsion and aircraft concepts at system and aircraft level, while expanding our Python‑based conceptual design framework in close collaboration with internal and external partners. Your responsibilities include:• You model hydrogen-electric aircraft propulsion systems on the system- and aircraft-level.
• You analyze and optimize propulsion systems for specific aircraft and mission requirements.
• You enhance the capabilities of our conceptual design framework.
• You collaborate with internal and external stakeholders, including Joby aviation and third-party airframers.
• You contribute to our modular conceptual design modeling Python codebase.

Requirements:
• M.Sc./PhD in Aerospace Engineering with excellent academic performance
• Proven hands-on experience in conceptual aircraft / aircraft propulsion design
• Strong communication skills with technical leads and external partners
• Proficient Python programming skills
• Experience in modeling hydrogen-electric propulsion systems
• Practical aircraft experience (e.g., gliding, RC aircraft)
• Fluent English Skills (spoken and written)
• Professional communication skills and confidence in international collaboration
• Analytical, curious, and solution-oriented mindset
• Comfortable working with assertive U.S. stakeholders

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

What it’s all about:
Help us shape the future of zero-emission aviation!