(Senior) R&D Engineer Thermofluids (m/w/d)

About Hades

Hades is a modern resource extraction company on a mission to transform how the world accesses critical resources and energy. Founded in 2025, we’re developing ultra-deep laser drilling technologies that push the limits of what’s possible underground. Based in Munich, we’ve raised over €20M in funding from leading European resilience investors including HV Capital, Headline, Project A and Visionaries Tomorrow. We’re now building a world-class team to bring this vision to life.

The Role

As a (Senior) R&D Engineer Thermofluids at Hades, you will conceptualize, design and develop our novel mud delivery, extraction, and cooling systems. You will work closely with the technical founding team and the multidisciplinary team of engineers, geologists, and scientists to make ultra-deep drilling fast and cheap.

Qualifications

We are seeking a highly motivated and skilled individual who possesses:

• Deep thermofluids expertise: CFD, heat transfer with multiphase, rheology and thermofluid dynamics
• Ability to own the modelling stack: recommend and help establish appropriate modelling and simulation toolsets
• Experiment-driven R&D DNA: proficient in designing benchtop rigs, instruments (pressure/flow/temp), analysis of results to calibrate and improve models
• Prior experience with mud systems, geothermal, O&G, or deep mining is a plus
• Degree in Mechanical, Thermal, or Fluids Engineering; PhD preferred (or equivalent depth)
• Excellent written and oral communication skills in English
• Willingness to reside in the greater Munich area

Why Hades?

At Hades, you'll be part of a high-growth, high-impact deep-tech startup making a tangible difference. Our mission is critical: to secure sovereignty for Europe through the responsible and efficient extraction of vital materials and energy. We offer:

• Impactful Work: Contribute directly to solving global challenges related to resource scarcity and energy independence.
• Cutting-Edge Technology: Work at the forefront of ultra-deep drilling, leveraging advanced engineering and innovative approaches.
• Growth Potential: Join a rapidly expanding company with significant opportunities for personal and professional development.
• Dynamic Environment: Thrive in a fast-paced, collaborative, and entrepreneurial setting in the heart of Munich.
• Purpose-Driven Mission: Be part of a team dedicated to a sustainable and secure future for Europe.

What We Offer

• An opportunity to make a huge impact on the future of Europe by increasing resilience and providing a path to resource and energy sovereignty
• A human-centered company culture with super nice and supportive colleagues
• A great sense of community through team events and fun in and outside the office
• Highly competitive compensation and benefits package

If you are passionate about pushing the boundaries of technology and contributing to a more sustainable future, we encourage you to apply now.