Cryogenic Engineer

Location: Zurich, Switzerland; on-site

Company

hirify.global is a European fusion company developing the hardware and infrastructure for commercial stellarator fusion power plants, including the Alpha and Stellaris machines.

What you will do

• Specify, design, and analyse cooling systems for cryogenic performance requirements.
• Verify model accuracy through testing protocols, simulations, and prototyping.
• Provide hands-on technical leadership during construction, commissioning, and operation of the cryogenic plant and its subsystems.
• Conduct performance analysis, testing, troubleshooting, and validation of cryogenic systems.
• Collaborate with electromagnetic, mechanical, and electrical engineers, magnet experts, and physicists.
• Lead supplier and partner work packages, including specification and co-design of cryogenic systems and procurement projects.

Requirements

• Experience designing, commissioning, and operating cryogenic hardware and systems.
• Strong modelling skills using multiphysics tools such as Simcenter Amesim and COMSOL, together with reduced-order modelling approaches.
• Experience validating cryogenic systems through simulation, testing, and prototyping.
• Ability to combine systems thinking, analysis, and hands-on technical judgement.
• Demonstrated ability to lead external work packages and manage procurement projects.
• Collaborative approach to solving complex engineering challenges and improving designs through iteration.

Culture & Benefits

• Work on first-of-a-kind fusion hardware and the architecture of a commercial stellarator power plant.
• Collaborate across plasma physics, magnets, cryogenics, manufacturing, controls, and other disciplines.
• Join a fast-moving, international team working across Munich, Zurich, and Oxford.
• Contribute to a mission focused on developing clean fusion energy.

Hiring process

• Recruiter interview lasting 30–60 minutes.
• 30-minute technical screening followed by a technical panel with three 60-minute interviews.
• 30-minute CEO call.