We are seeking a highly motivated Thermal Design Engineer to lead the thermal design, analysis, and validation of a space-borne Synthetic Aperture Radar (SAR) payload. The successful candidate will be responsible for developing thermal control solutions that ensure the payload operates within specified temperature limits throughout all mission phases, including launch, commissioning, nominal operation, eclipse, and end-of-life conditions.

The role involves designing passive and active thermal control systems, performing thermal analyses, supporting environmental testing, and collaborating with structural, mechanical, RF, electronics, systems, and mission engineers to deliver a reliable, flight-qualified payload.

Key Responsibilities
- Develop the thermal architecture for the SAR payload to ensure compliance with mission and instrument thermal requirements.
- Perform thermal analysis for all mission phases, including launch, ascent, orbital operation, eclipse, survival, and secure modes.
- Design passive thermal control systems, including multilayer insulation (MLI), thermal coatings,



thermal straps, radiators, and conductive interfaces.
- Evaluate the need for active thermal control systems such as heaters, and temperature control electronics.
- Develop detailed thermal mathematical models (TMM) of the SAR payload and associated subsystems.
- Perform steady-state and transient thermal simulations to evaluate payload performance under expected orbital environments.
- Analyse thermal interfaces between payload components, spacecraft bus, and supporting structures.
- Support thermal design optimization to minimize temperature gradients and maintain dimensional stability of critical SAR components.
- Define thermal requirements for electronics, RF hardware, antennas, power amplifiers, and precision mechanical assemblies.
- Collaborate with structural engineers to evaluate thermo-elastic effects and thermal deformation.
- Plan and support thermal balance tests (TBT), the

📌 Thermal Design Engineer (Bengaluru)
🏢 GalaxEye Space
📍 Bengaluru