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As a Senior Prototyping Engineer – Thermal Systems & Cooling Integration , you will become an integral part of our Prototyping team, supporting the development of our Reliant platform – a next-generation long-range eVTOL unmanned aerial system designed for demanding ISR and logistics missions. Reliant combines exceptional endurance, modularity, and operational flexibility to deliver mission-critical capabilities in the most challenging environments. In this role, you will be responsible for the integration, development, and validation of thermal management and cooling systems for the aircraft. You will develop efficient cooling concepts for hybrid propulsion components, power electronics, avionics, and other heat-generating systems by optimizing airflow, aerodynamic cooling, and thermal integration. Working closely with mechanical, propulsion, and systems engineering teams, you will ensure reliable operation across demanding flight and environmental conditions. What is your Day to Day Mission: Lead the integration and development of thermal management and cooling systems for UAVs. Design and optimize cooling concepts for combustion engines, generators, power electronics, avionics, and other onboard systems. Develop aerodynamic cooling solutions, including airflow management, ducting, air inlets and outlets, heat exchangers, and passive and active cooling concepts. Define thermal system architectures balancing cooling performance, weight, packaging, reliability, and manufacturability. Design, build, and commission prototype cooling test rigs and instrumentation for system validation. Plan and execute thermal, environmental, endurance, and performance test campaigns. Analyze thermal performance, airflow distribution, and system efficiency, implementing improvements based on test results. Collaborate closely with propulsion, mechanical, structures, and systems engineering teams to optimize thermal integration within the aircraft. Support simulation activities and correlate analytical models with physical test results where appropriate. Prepare technical documentation, verification reports, and engineering recommendations.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.