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Thea Energy

Develops fusion power via planar-coil stellarators

Senior Mechanical Engineer

Design EngineeringConfirmed live in the last 24 hours
Full-timeKearny, NJ, USAIn-person

About the Job

Requirements

  • A bachelor's degree in mechanical engineering, aerospace engineering, physics, or a related field.
  • At least 5 years of experience.
  • Extensive experience leading the design, build, and commissioning of custom systems.
  • Experience in mechanical engineering using computer-aided design software such as SolidWorks, CATIA, or NX.
  • Experience managing complex assemblies with multiple contributors.
  • Experience specifying machining, welding, or fabrication requirements.
  • Ability to mentor junior engineers in decomposing complex problems and review their work.
  • Ability to take initiative and guide the design and analysis of complex components and systems with peers and team members.
  • Familiarity with geometric dimensioning and tolerancing (ASME Y14.5) and drawing standards.
  • Experience owning systems or complex subsystems.

Responsibilities

  • Own the design and development of primary and secondary mechanical fusion components and subsystems.
  • Work with core system-level development teams to define prototyping requirements.
  • Produce mechanical engineering designs, drawings, specifications, and parameters from first principles, with appropriate tolerances for vendor quoting and manufacturing.
  • Design tooling for assembly.
  • Perform thermal, structural, and electromagnetic analysis and simulation using Ansys and COMSOL.
  • Incorporate design-for-manufacturing principles and support first builds.
  • Support the implementation of tooling and manufacturing.
  • Design and execute qualification testing.
  • Track and report results and progress against program goals and milestones.
  • Communicate and collaborate with internal and external stakeholders.
  • Mentor junior engineers.

Desired Qualifications

  • Ability to execute and flourish in a fast-paced, rapidly changing environment.
  • Comfort working to aggressive deadlines.
  • Strong work ethic.
  • Strong teamwork, communication, and collaboration skills.
  • Desire to learn, innovate, and critique ideas, including one’s own.

About the Company

Thea Energy

Develops fusion power via planar-coil stellarators

Thea Energy develops fusion-based power technology to provide scalable, zero-emission baseload electricity for utilities and heavy industry. Its approach uses a reimagined stellarator with flat, planar superconducting coils controlled by software-defined systems, replacing the traditional complex magnet geometry to lower costs and improve serviceability. Its Eos neutron-source device and Helios commercial power plant concept illustrate a pipeline from research to grid-ready power, backed by DOE milestones and public-private partnerships. The company aims to commercialize fusion as a dependable grid-level energy source and win long-term offtake agreements with utilities and large customers.

Company size
51-200
Company stage
Grant
Total funding
$145.8M
Headquarters
Princeton, NJ
Founded
2022

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