Cryogenic Systems Engineer

Responsibilities

• Develop thermodynamic and gas-flow concepts for cryogenic cooling systems, including He-4 and He-3 cycles
• Simulate and analyse cooling cycles, gas flows, thermal performance, and system behaviour
• Define concepts and requirements for cryogenic components and work with CAD/mechanical teams to realise the designs
• Support the design and integration of Joule-Thomson cryogenic turbocompressor systems
• Oversee manufacturing, assembly, integration, and testing of cryogenic systems and subsystems
• Work with vacuum systems, helium handling, temperature control systems, sensors, and cryogenic instrumentation
• Support certification and delivery of cryocooler systems to internal and external customers

Requirements

• 10+ years’ experience in cryogenic system design
• Experience with sub-4K cryostat design and low-temperature system integration
• Experience with GM, pulse tube, and/or Joule-Thomson cryocoolers
• Knowledge of the He-4 / He-3 phase diagram and cryogenic cooling cycles
• CFD and/or thermal modelling experience
• Knowledge of CAD systems, including basic 3D CAD for component design
• Practical understanding of vacuum systems, helium systems, assembly methodologies, and temperature control
• Strong communication skills and ability to work across multidisciplinary engineering teams

Preferred Qualifications

• Experience with turbo pumps and/or cryogenic turbocompressor design
• Experience with CTE analysis and cooling cycle design
• Experience supporting certification of complex technical equipment