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Cryogenics and Vacuum Engineer

Thea Energy

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Kearny, NJ, USA

Posted on Jul 16, 2024

About Thea Energy:

Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future.

Position Overview:

Thea Energy is seeking experienced, highly motivated engineers with cryogenics and vacuum experience to join its rapidly growing team. The cryogenics and vacuum engineer will develop and integrate critical cryogenic infrastructure for the testing of Thea Energy’s high temperature superconducting (“HTS”) magnets. This role will support key prototyping milestones, and use this experience to inform future cryogenic infrastructure and interfaces for planar coil stellarator HTS magnets. HTS magnets are foundational components of Thea Energy’s planar coil stellarator, making compact, simpler, and lower-cost fusion systems possible. As part of a rapidly growing team, you’ll be part of the organizational build-up of a leading fusion energy company. These roles will have a high degree of autonomy and must be able to move quickly. The Thea Energy team is self-motivated, creative, and fun individuals with an excitement for solving complex problems.

Key Responsibility Areas:

Design, procure, and integrate critical cryogenic infrastructure for the rapid development of HTS magnets
Develop performance specifications for cryogenic cooling systems, including conductive and helium-cooled systems
Develop FEA thermal simulations to validate critical design decisions and performance expectations
Specify, procure, and integrate vacuum systems, including vacuum vessels, pumping equipment, and instrumentation
Incorporate design for manufacturing principles and support first builds
Produce design specifications and collaborate with vendors to get quotes and deliver hardware that meets qualifications
Support the implementation of tooling and manufacturing
Plan for and execute integrated cryogenic magnet systems testing
Track and report results and progress against program goals and milestones
Communicate and collaborate with internal and external stakeholders

Required Experience & Skillsets

Experience working with cryocooler-based or helium circulation cryogenic systems
Experience working with vacuum equipment, plumbing and flanges, components, and instrumentation
Experience in mechanical design using CAD software (e.g.Solidworks, CATIA, NX, etc.)
Ability to work through and solve highly complex engineering problems
Ability to take initiative, work independently and as part of a team
Ability to execute and flourish in a fast-paced, rapidly changing environment

Ideal Experience & Skillsets:

Experience specifying, installing, and troubleshooting cryocooler-based and helium circulation cryogenic systems
Experience specifying, installing, and troubleshooting vacuum systems, including vacuum vessels or cryostats, turbomolecular machinery, roughing pumps, and vacuum instrumentation
Experience developing manufacturing drawings for vacuum chambers and equipment, including weldments, surface finishes, and GD&T
Experience developing steady state and transient thermal simulations with Ansys and/or COMSOL
Comfortable working to aggressive deadlines
Exceptional work ethic
Strong team member with clear communication and collaboration skills
Innate desire to learn, innovate, and critique ideas including one’s own
At least a bachelor’s degree in physics, mechanical engineers, electrical engineering, materials engineering, or related fields
Experience with magnetic confinement fusion, aerospace, medical devices, or other highly technical industries is ideal

Company Benefits:

Competitive salary
Comprehensive health benefits (e.g. medical/dental/vision)
Employee equity stock options
Open vacation policies
Work-life balance

It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy.

Diversity and Inclusion:

Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations.