Senior Aero-Thermal Powertrain Engineer (Germany)

Greenjets; Greater London; On-site; GBP 77,000 - 111,000; Full time

Job summary

Greenjets, an innovative engineering company, is seeking a Development Engineer with a strong aero-thermal background and hands-on experience with electric powertrain components. Based in Germany with regular UK travel, you will own system development from concept through production.

You will collaborate across aerodynamics, thermal management and powertrain integration, ensure performance, reliability and manufacturability, and guide design decisions with data from analysis, simulation and

Qualifications

• Experience in aero-thermal engineering, propulsion system development or related aerospace fields.
• Proven embedded hardware and software development, including integration, debugging, and validation.
• Practical experience with electric powertrain components (motors, batteries, controllers) and system-level interaction.
• Experience developing drone or aircraft systems with rapid prototyping and integration challenges.
• Experience across full development lifecycle from concept to production with supplier/customer interaction.
• Fluency in English; German knowledge is a plus for collaboration.
• Eligible to work with export-controlled technologies.

Responsibilities

• Collaborate with electrical, mechanical, controls, manufacturing and test teams as a key technical interface.
• Develop powertrain systems focusing on aero-thermal performance, cooling, airflow, and thermal robustness.
• Define and own development plans, requirements, and trade studies for performance, mass, cost.
• Use analysis, simulation and test data to guide design decisions and resolve trade-offs.
• Support prototyping activities from configuration to build and rapid iteration.
• Coordinate with test teams to define approaches, analyze results and drive improvements.
• Work with suppliers and customers to transition from prototype to production-ready designs.
• Act as technical contact for customers and translate requirements into deliverables.
• Assist in transitioning developed systems into production with manufacturing and quality teams.

Skills

Aero-thermal engineering

Propulsion system development

Embedded hardware development

Embedded software development

System integration

Prototype development

Technical ownership

Requirements analysis

Communication skills

Export-controlled compliance

Job description

Greenjets, an innovative engineering company, is seeking a Development Engineer with a strong aero-thermal background and hands-on experience with electric powertrain components. Based in Germany with regular UK travel, you will own system development from concept through production.

You will collaborate across aerodynamics, thermal management and powertrain integration, ensure performance, reliability and manufacturability, and guide design decisions with data from analysis, simulation and