Joel Roesick

Joel Roesick is a Powertrain Senior Mechanical Engineer at Joby Aviation since July 2025, previously serving as a Senior Mechanical Engineer at Lilium from September 2018 to February 2025. At Lilium, Joel Roesick was the lead engineer for engine test units during the Safety of Flight/Certification campaign, overseeing instrumentation, test strategy, design changes, and supply chain coordination. Earlier roles at Lilium included Mechanical Engineer, focusing on test engine design and troubleshooting, and Component Engineer, Propulsion, where responsibilities included component selection and cooling concept definition. Joel Roesick began a career in engineering as an intern in propulsion and also gained experience as a Student Research Assistant and Student Assistant at the Institute for Machine Elements and System Engineering at RWTH Aachen. Joel Roesick holds a B.Sc. in Mechanical Engineering with a specialization in Aeronautical Engineering from RWTH Aachen University and pursued an M.Sc. in Aerospace Engineering.