Key Responsibilities

Contribute to the development of hybrid rocket motors, with a particular focus on propellant development

Develop and optimize propellants based on paraffin and advanced polymer formulations

Collaborate with propulsion engineers to align chemical formulations and curing processes with target motor performance

Conduct mechanical, thermal, and chemical testing, and validate formulations through regular rocket engine hot-fire tests

Support fuel grain production and casting processes to ensure high-quality manufacturing standards

Basic Qualification

Degree in Chemistry, Chemical Engineering, Materials Science, Polymer Science, Propulsion or a related field
Experience in the development and characterization of polymers, propellants, or advanced materials
Knowledge of mechanical, thermal, and chemical testing methods
Hands-on experience with laboratory work, material processing, and manufacturing support
Strong analytical and problem-solving skills with a structured and independent working style
Ability to collaborate effectively in multidisciplinary engineering teams
Very good written and spoken English and German skills

Desired Experience

Experience with propulsion systems, combustion processes, or aerospace applications
Familiarity with propellant formulation, curing, casting, and validation testing

Benefits

€50 monthly Spendit Card – because it’s the little extras that make a difference
Christmas bonus on top
Job bike leasing for a sporty and sustainable commute
€60 gift for special occasions (birthday, wedding, birth of a child)
Regular team events – from Christmas parties to adventure offsites
30 days of vacation to fully recharge
Flexible working hours (flextime) to match your personal rhythm
Free coffee, tea & water – fuel for big ideas
Open, respectful feedback culture at eye level
Personal development opportunities through trainings, coaching & language courses
Buddy program with structured onboarding, including a welcome package
A diverse and inspiring startup environment, where talented people from over 16 nations collaborate to build something extraordinary
Hands-on involvement across end-to-end development processes in a fast-growing New Space startup

Location

2023, Baden-Württemberg registered by far the most patents in Germany. A total of 16,000 people work in LR BW member companies and generate an annual turnover of around 5 billion euros - and the trend is rising. The strength of Baden-Württemberg's aerospace industry lies in the integrated value chain from the screw to the research satellite.

Equal Employment Opportunity

HyImpulse is committed to building a diverse and inclusive environment. As an equal opportunity employer, all qualified applicants will be considered without regard to race, color, religion, sex, gender identity, genetic information, national origin, age or disability.