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Thea Energy

Develops fusion power via planar-coil stellarators

Finite Element Analysis Engineer 3

Mechanical EngineeringConfirmed live in the last 24 hours
Full-timeKearny, NJ, USA

About the Job

Requirements

  • At least 4 years of professional experience and a strong background in mechanical engineering, applied mechanics, materials, and simulation.
  • At least 4 years of industry or academic experience performing Finite Element Analysis using commercial software packages.
  • Experience scripting and building tools around commercial Finite Element Analysis tools.
  • Experience developing first-of-its-kind components or systems.
  • Experience with the cryogenic behavior of materials and welds.

Responsibilities

  • Own complex multi-domain and non-linear analyses, define advanced material and weld modeling parameters, drive structural optimization, and justify critical design decisions to engineering leadership.
  • Create complex Finite Element Models, including advanced non-linear contacts, plasticity, and large deformations, to support the design of major stellarator systems and prototyping activities.
  • Develop multi-domain models, including thermal, mechanical, vibration, and magnetic loads.
  • Provide technical guidance and peer review for junior analysts to ensure model accuracy and best practices.
  • Optimize structural designs for performance under loading conditions, minimizing weight, and maximizing maintainability.
  • Participate in the design process and identify improvements that lead to higher-performing, lower-cost, and more maintainable systems.
  • Identify required material property development to ensure accurate analysis.

Desired Qualifications

  • Demonstrated ability to solve complex engineering problems and identify root causes through meticulous analysis.

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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