Thermal Engineer
Bellatrix Aerospace ยท Bengaluru, Karnataka, India
Bellatrix Aerospace ยท Bengaluru, Karnataka, India
๐๐ฏ๐ผ๐๐ ๐๐ฒ๐น๐น๐ฎ๐๐ฟ๐ถ๐ ๐๐ฒ๐ฟ๐ผ๐๐ฝ๐ฎ๐ฐ๐ฒ Bellatrix Aerospace is building next-generation space transportation and propulsion technologies to enable affordable and sustainable access to space. Our team develops advanced spacecraft systems, propulsion solutions, and satellite technologies that support commercial and strategic space missions. We are looking for passionate engineers who thrive on solving complex engineering challenges and contributing to cutting-edge space programs. ๐ฅ๐ผ๐น๐ฒ ๐ข๐๐ฒ๐ฟ๐๐ถ๐ฒ๐ We are seeking an experienced ๐ง๐ต๐ฒ๐ฟ๐บ๐ฎ๐น ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ to develop analytical thermal models, perform orbital thermal simulations, and support the thermal design of satellite platforms and payloads. The ideal candidate will have hands-on experience in spacecraft thermal modelling, radiator sizing, electronic component thermal analysis, and thermal verification using industry-standard simulation tools. ๐๐ฒ๐ ๐ฅ๐ฒ๐๐ฝ๐ผ๐ป๐๐ถ๐ฏ๐ถ๐น๐ถ๐๐ถ๐ฒ๐ ๐ฆ๐ฝ๐ฎ๐ฐ๐ฒ๐ฐ๐ฟ๐ฎ๐ณ๐ ๐ง๐ต๐ฒ๐ฟ๐บ๐ฎ๐น ๐๐ป๐ฎ๐น๐๐๐ถ๐ & ๐ ๐ผ๐ฑ๐ฒ๐น๐น๐ถ๐ป๐ด โข Develop detailed thermal mathematical models of spacecraft, payloads, electronic units, batteries, propulsion systems, and deployable structures. โข Perform steady-state and transient thermal analyses for spacecraft components, electronic equipment, payloads, batteries, solar panels, and complete satellite configurations. โข Define thermal interfaces, contact conductance, thermal coupling, conductive and radiative heat transfer paths across spacecraft assemblies. โข Understanding of orbital environments and their impact on spacecraft thermal performance. ๐ง๐ต๐ฒ๐ฟ๐บ๐ฎ๐น ๐๐ผ๐ป๐๐ฟ๐ผ๐น ๐ฆ๐๐๐๐ฒ๐บ ๐๐ฒ๐๐ถ๐ด๐ป โข Evaluate and optimize passive and active thermal control techniques including: o Radiators o Heat pipes o Thermal straps o MLI o Surface optical coatings o Heaters ๐ข๐ฟ๐ฏ๐ถ๐๐ฎ๐น ๐ง๐ต๐ฒ๐ฟ๐บ๐ฎ๐น ๐ฆ๐ถ๐บ๐๐น๐ฎ๐๐ถ๐ผ๐ป โข Perform hot-case and cold-case orbital thermal analyses for all mission phases including: o Launch o Commissioning o Nominal operations o Eclipse o Safe mode o De-orbit (if applicable) โข Develop worst-case thermal environments using orbital heat loads including: o Solar flux o Earth IR o Albedo o Internal dissipation ๐ง๐ต๐ฒ๐ฟ๐บ๐ฎ๐น ๐ง๐ฒ๐๐๐ถ๐ป๐ด & ๐ฉ๐ฎ๐น๐ถ๐ฑ๐ฎ๐๐ถ๐ผ๐ป โข Support integration and testing of thermal hardware. โข Support thermal balance testing. โข Analyze thermocouple and sensor data. โข Correlate analytical models with TVAC test data. โข Involve in: o Thermal balance test planning o Thermal vacuum test support o Thermal cycling analysis o Test correlation o Model updating o Margin verification ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ๐ถ๐ป๐ด ๐ฆ๐๐ฝ๐ฝ๐ผ๐ฟ๐ โข Support anomaly investigations. ๐ค๐๐ฎ๐น๐ถ๐ณ๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป๐ & ๐๐ ๐ฝ๐ฒ๐ฟ๐ถ๐ฒ๐ป๐ฐ๐ฒ โข Master's in Aerospace / Mechanical / Thermal Engineering or comparable field or โข Bachelor's in Aerospace / Mechanical / Thermal Engineering or comparable field (with relevant research/work experience). โข 2โ5 years minimum experience. โข Academic/Industrial experience in space environment thermal design: โข 1+ years for Master's candidates. โข 3+ years for Bachelor's candidates. โข Experience in thermal analysis on Siemens-SST/NX or equivalent analysis tools. ๐ฅ๐ฒ๐พ๐๐ถ๐ฟ๐ฒ๐ฑ ๐ฆ๐ธ๐ถ๐น๐น๐ โข Fundamental knowledge of thermodynamics and heat transfer. โข Spacecraft thermal modelling. โข Radiator sizing. โข Electronic component thermal analysis. โข Thermal verification using industry-standard simulation tools. โข Thermal balance testing. โข Thermal vacuum testing. โข Heater sizing. โข Heat pipe integration. โข Thermal interface materials. โข Structural-thermal coupling. โข Design optimization. โข Monte Carlo thermal analysis. โข Model automation using Python/MATLAB. ๐ช๐ต๐ ๐๐ฒ๐น๐น๐ฎ๐๐ฟ๐ถ๐ ๐๐ฒ๐ฟ๐ผ๐๐ฝ๐ฎ๐ฐ๐ฒ At Bellatrix Aerospace, you'll work alongside a multidisciplinary team developing advanced spacecraft technologies for the global space industry. If you're passionate about spacecraft thermal engineering and excited by innovation, Bellatrix Aerospace is the place to build your career.