Cryogenic Engineer

Fusion Energy Base; Knoxville (TN); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work policy

Stock options

Relocation allowance

Insurance plans

Retirement options

Bonus

Job summary

Type One Energy Group in Knoxville, TN (and other listed locations) seeks a Cryogenic Engineer to design, analyze, and validate cryogenic systems supporting superconducting magnets in our stellarator program.

You will apply thermodynamics, heat transfer, and fluid dynamics expertise, perform analytical and numerical evaluations, and collaborate across magnet, vacuum, plasma physics, and power teams to deliver reliable low-temperature hardware.

Qualifications

• Bachelor’s degree in a relevant field required.
• Experience with analytical thermodynamics, heat transfer, and fluid dynamics.
• Experience with numerical analysis using listed tools.
• Familiarity with cryogenic design principles and low-temperature materials.

Responsibilities

• Perform analytical thermodynamic, fluid dynamics, and heat transfer calculations on cryogenic systems to support design and performance.
• Conduct numerical analysis and modeling of cryogenic systems, including transient and steady-state behavior.
• Support the design, specification, and integration of cryogenic hardware such as piping, heat exchangers, insulation, valves, and distribution components.
• Develop and maintain system-level thermal/fluid models to inform design decisions.
• Collaborate with magnet engineering, vacuum systems, plasma physics, and power systems teams for compatibility and performance.
• Analyze experimental and operational data to validate models and identify improvements.
• Support cryogenic system testing, commissioning, troubleshooting, and operations.
• Contribute to requirements development, safety analyses, and documentation for cryogenic subsystems.
• Coordinate with suppliers and partners regarding cryogenic equipment and integration needs.

Skills

Thermodynamics

Heat transfer

Fluid dynamics

Cryogenic systems

Education

Bachelor’s degree in Mechanical Engineering, Cryogenic Engineering, Aerospace Engineering, Physics, or related field

Master’s or Ph.D. in a relevant engineering discipline (Preferred)

Tools

ANSYS

COMSOL

OpenFOAM

AFT Arrow

REFPROP

GASPAK

HePAK

Job description

Cryogenic Engineer

Join us in our mission to commercialize fusion energy.

About

Type One Energy Group is mission-driven to provide sustainable, affordable fusion power to the world. Established in 2019 and venture-backed in 2023, the company is led by a team of globally recognized fusion scientists with a strong track record of building state-of-the-art stellarator fusion machines, together with veteran business leaders experienced in scaling companies and commercializing energy technologies.

This is what you need to know:

Location: Knoxville TN, Madison WI, Boston MA or Vancouver BC

Salary: Highly Competitive Plus Benefits

Contract: Permanent, full time

Reporting to: Director of Thermofluids Engineering

Your role in the mission:

The Cryogenic Engineer will be responsible for designing, analyzing, and validating cryogenic systems that support superconducting magnets and other low-temperature components in our stellarator program. This role requires expertise in thermodynamics, heat transfer, and fluid dynamics, as well as experience performing analytical and numerical evaluations of cryogenic performance. The ideal candidate is highly collaborative, detail-oriented, and comfortable working in a fast-paced R&D environment.

You will also:

• Perform analytical thermodynamic, fluid dynamics, and heat transfer calculations on cryogenic systems to support design and performance evaluation.
• Conduct numerical analysis and modeling of cryogenic systems, including transient and steady-state behavior.
• Support the design, specification, and integration of cryogenic hardware such as piping, heat exchangers, insulation systems, valves, and cryogenic distribution components.
• Develop and maintain system-level thermal/fluid models to inform design decisions.
• Collaborate closely with magnet engineering, vacuum systems, plasma physics, and power systems teams to ensure cryogenic system compatibility and performance.
• Analyze experimental and operational data to validate models and identify system improvements.
• Support cryogenic system testing, commissioning, troubleshooting, and operations.
• Contribute to requirements development, safety analyses, and documentation for cryogenic subsystems.
• Coordinate with suppliers and partners regarding cryogenic equipment, components, and integration needs.

What you’ll need:

• Bachelor’s degree in Mechanical Engineering, Cryogenic Engineering, Aerospace Engineering, Physics, or related field.
• Demonstrated experience in analytical thermodynamics, heat transfer, and fluid dynamics calculations.
• Experience performing analytical numerical analysis of thermal/fluid systems using tools such as ANSYS, COMSOL, OpenFOAM, AFT Arrow, REFPROP, GASPAK, HePAK or similar.
• Understanding of cryogenic system design principles, instrumentation, and materials behavior at low temperatures.
• Strong problem-solving skills and ability to work cross-functionally in a collaborative engineering environment.
• Excellent written and verbal communication skills.
• Master’s or Ph.D. in a relevant engineering discipline. (Preferred)
• Experience with cryogenic systems for superconducting magnets, fusion devices, particle accelerators, or space systems.
• Familiarity with cryogenic fluids such as liquid helium and liquid nitrogen, including behavior, handling, and hazards.
• Experience in system-level modeling, controls integration, and data analysis.
• Experience in creating PFDs, P&IDs, and conducting HAZAN, HAZOPS for such systems is highly preferred.
• Experience in a fast-paced R&D or startup environment. (Preferred)

We offer:

• In addition to a basic salary and yearly bonus.
• A hybrid work policy.
• Stock options.
• Relocation allowance.
• Insurance plans.
• Retirement options.
• And many more great voluntary benefits.

Export Control Compliance Notice

This position may require access to technology, technical data, software, or other information that is subject to U.S. export control laws and regulations. Any offer of employment will be contingent upon the Company's ability to comply with applicable U.S. Export Control Laws, including obtaining any required government authorizations.

Type One Energy is a Global, U.S.-based company that develops and utilizes technologies subject to U.S. export control and trade compliance regulations. Certain positions may require access to controlled technologies, technical data, software, or other information regulated by U.S. Export Control Laws. For positions involving access to export-controlled technology or information, the Company may be required to determine whether any government authorization or license is needed before such access can be provided.

Any offer of employment for such positions may be contingent upon the Company's ability to comply with applicable U.S. Export Control Laws and obtain any required government authorizations.

U.S. Employment Eligibility Verification

For positions based in the United States, Type One Energy participates in E-Verify and verifies the identity and employment authorization of newly hired employees in accordance with applicable federal law. Employees hired to work in the United States will be required to complete the Form I-9 employment eligibility verification process upon hire.

Equal Employment Opportunity

Type One Energy is an equal opportunity employer. Employment decisions are made based on qualifications, merit, business needs, and compliance with applicable laws and regulations.

Candidate Privacy

Type One Energy collects personal information from applicants for recruitment, hiring, and related business purposes. We process applicant information in accordance with applicable privacy and data protection laws and take reasonable measures to protect the confidentiality and security of personal information. By applying for a position, you acknowledge that your personal information may be collected, used, stored, transferred, and disclosed as necessary to evaluate your candidacy, conduct pre-employment screenings where permitted by law, and comply with legal and regulatory requirements.

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