Senior Cryogenics Engineer Jobs

Realta Fusion Inc.

Location:
United States, Madison

Category:
Research and Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Senior Cryogenics Engineer will lead the design, development, and operation of advanced cryogenic systems that support Realta’s compact magnetic mirror fusion platform. This role will integrate deep expertise in cryogenic processes with hands-on engineering and systems-level thinking to ensure the safe, efficient, and reliable performance of cryogenic infrastructure.

Job Responsibility:

Lead design, analysis, development, and deployment of cryogenic cooling and pumping systems
Develop and implement process flow diagrams, P&IDs, and thermodynamic models
Specify, source, and integrate cryogenic components including valves, pumps, heat exchangers, insulation, and sensors
Drive system-level integration of cryogenic subsystems into Realta’s experimental and commercial platforms
Support commissioning, validation, and operation of cryogenic systems
Collaborate with controls teams on automation, data acquisition, and safety interlocks
Lead troubleshooting, root-cause analysis, and maintenance planning, for cryogenic equipment
Mentor junior engineers and contribute to company-wide technical strategy in cryogenics
Ensure compliance with safety codes, pressure standards, and industrial best practices

Requirements:

Bachelor’s degree in Mechanical Engineering, Cryogenics, Physics, or a related field
7+ years of experience in cryogenic system design, development, or R&D
Expertise in low-temperature thermodynamics, heat transfer, and fluid dynamics
Hands-on experience with cryogenic fluids such as helium, hydrogen, or nitrogen
Proficiency in modeling and simulation tools (e.g., COMSOL, ANSYS, Aspen HYSYS)
Strong analytical, organizational, and communication skills

Nice to have:

Advanced degree in a related field or equivalent applied research experience
Experience with superconducting magnet systems, quantum or fusion applications
Familiarity with ultra-high-vacuum systems and material behavior at cryogenic temperatures
Demonstrated leadership in multi-disciplinary engineering teams

What we offer:

Competitive compensation package, including equity stock options
Comprehensive benefits including health, dental, and vision insurance, plus a retirement savings plan
Flexible paid time off (PTO) to support work-life balance

Additional Information:

Job Posted:
December 11, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Senior Cryogenics Engineer