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Thea Energy
Builds scalable fusion energy systems for zero-emission power51-200 EmployeesActively Hiring
Jobs at Thea Energy
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Engineering
Senior Test Engineer
NewPosted 2 weeks ago
Senior Test Engineer
- Develop and own test validation strategy, including defining the testing milestones required to qualify High-Temperature Superconducting (HTS) magnets, cryogenic systems, and high vacuum components.
- Act as a subject matter expert for the test engineering team. You will lead, mentor, and grow a team of engineers and technicians, fostering a culture of rigorous data integrity and "first-principles" problem-solving.
In office • Kearny
$120k – $150kOther Engineering
Senior HTS Magnet Cryogenics Engineer
NewPosted 2 weeks ago
Senior HTS Magnet Cryogenics Engineer
- Design, model, and integrate cryogenic cooling systems (conduction-cooled, cryo-fluid loops, or liquid helium/nitrogen systems) for HTS magnet assemblies.
- Perform thermal, fluid, and structural FEA modeling (e.g., ANSYS, COMSOL) to optimize temperature profiles, cooling margins, and quench behavior.
In office • Kearny
$140k – $180kOther Engineering
Electromechanical Engineer
NewPosted 3 weeks ago
Electromechanical Engineer
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 int...
In office • Kearny
$130k – $165kOther Engineering
Senior Integration Engineer - Nuclear Process
NewPosted 1 month ago
Senior Integration Engineer - Nuclear Process
- Bachelor's or advanced degree in Nuclear Engineering, Chemical Engineering, Mechanical Engineering, or related discipline.
- 8+ years of relevant experience in nuclear, fusion, chemical/process, or other highly regulated process systems.
In office • Kearny
$150k – $180kOther Engineering
Manufacturing Engineering Intern - Fall 2026
NewPosted 1 month ago
Manufacturing Engineering Intern - Fall 2026
- Salary range $21 - $25/hour
- Ability to occasionally lift up to 50 lbs.
In office • Kearny
Engineering
Contract - Senior VFX Network Engineer
NewPosted 1 month ago
Contract - Senior VFX Network Engineer
- Research and implement innovative networking strategies that help to optimize the creative vision of the VFX CG Visualization Team.
- Partner with VFX and Corporate Technology teams to define architecture.
Remote only • Remote
Engineering
Vice President - HTS Magnet Engineering
NewPosted 3 months ago
Vice President - HTS Magnet Engineering
- Define and own the long-term technical strategy and vision for HTS magnet engineering across the company’s fusion program
- Build, lead, and scale the magnet engineering organization, including hiring and developing Directors, Managers, Engineers, and Analysts
In office • Kearny
$240k – $300kEngineering
Test Engineering Manager
NewPosted 3 months ago
Test Engineering Manager
- Compensation: $130,000 - $160,000
- Comprehensive health benefits (e.g. medical/dental/vision)
In office • Kearny
$130k – $160kOther Engineering
Control Systems Engineer, Advanced Controls and Integration
NewPosted 3 months ago
Control Systems Engineer, Advanced Controls and Integration
- Salary range $120,000-$160,000
- Comprehensive health benefits (e.g. medical/dental/vision)
In office • Kearny
$120k – $160kOther Engineering
Director - Mechanical Engineering
NewPosted 6 months ago
Director - Mechanical Engineering
- Own the technical baseline for primary and secondary mechanical fusion systems, including requirements, design, development, analysis, verification, though manufacturing, commissioning, and operation.
- Drive system-level trades across relevant performance domains (e.g. thermal, structural, electr...
In office • Kearny
$135k – $235kOther Engineering
Senior Electrical Distribution Systems Engineer
NewPosted 7 months ago
Senior Electrical Distribution Systems Engineer
- Lead the design of the Eos power distribution architecture, including power supply systems, medium and high-voltage distribution, MV switchgear, LV panelboards, and critical backup circuits.
- Define grounding, neutral earthing, surge protection, and lightning protection strategies for plant-wide electrical infrastructure.
In office • Kearny
$95k – $160kEngineering
Director - Electrical Engineering Systems
NewPosted 7 months ago
Director - Electrical Engineering Systems
- Electrical Distribution (facility and plant electrical architecture and integration)
- Power Electronics (development of high-power converters and HTS magnet power supplies)
In office • Kearny
$120k – $240kOther Engineering
Mechanical Engineer
NewPosted 10 months ago
Mechanical Engineer
- Contribute to the design and development of primary and secondary mechanical fusion components and subsystems
- Produce mechanical engineering designs, drawings, specifications, and parameters from first principals with appropriate tolerances for vendor quoting and manufacturing
In office • Kearny
$85k – $150k