Buyer/Planner
Thea Energy
Company Overview
Thea Energy, originally known as Princeton Stellarators Inc.
HeadquartersPrinceton, New Jersey, United States
Founded2022
SizeEmployee count and revenue figures for 2023 or later remain undisclosed publicly, though it operates as a private fusion startup with funding from the U.S. Department of Energy's Milestone-Based Fusion Development Program as one of eight recipients (source: pppl.gov).
What They Do
Thea Energy focuses on advancing fusion energy through innovative stellarator designs, utilizing arrays of planar high-temperature superconducting (HTS) coils to achieve stable magnetic confinement. This approach simplifies the traditional complex 3D modular magnets found in conventional stellarators, allowing for more efficient and effective fusion energy production (source: fusionxinvest.com). Their flagship system, named Eos after the Greek goddess of dawn, is designed to produce neutrons for tritium breeding, which is essential for validating their technology and enabling future commercial applications, such as steady-state fusion power plants (source: heatmap.news). The company's technology leverages modern computing power and HTS materials to optimize designs, providing inherent steady-state stability that mitigates disruptions commonly associated with tokamaks (source: thea.energy). Their target markets primarily include commercial fusion energy developers, with an initial focus on neutron sources for industrial applications, although specific customer segments have not been detailed (source: fusionxinvest.com). A key differentiator for Thea Energy is its rapid in-house manufacturing capabilities, which utilize tools like a CNC machine and a specialized device named "Zeus" for winding HTS tape, allowing for quick iterations and reducing reliance on outsourced labor (source: heatmap.news).
Projects & Track Record
As of now, Thea Energy has not completed any projects, as it is still in the early stages of development focused on prototyping its Eos system. This system is intended to serve as the first demonstrator for neutron and tritium production, but specific completion dates, capacity specifications, or project locations have not been reported (source: fusionxinvest.com). The company is actively engaged in building and testing planar HTS coil prototypes at its facility in Kearny, New Jersey, which is equipped with an open office space, laboratory, and small-scale manufacturing capabilities for magnet arrays (source: heatmap.news). Thea Energy's origins at the Princeton Plasma Physics Laboratory (PPPL) provide it with strong partnerships and a foundation in stellarator research, with co-founder David Gates being a notable physicist and Edison Patent Award winner for his contributions to the field (source: pppl.gov). Currently, the geographic presence of Thea Energy is limited to New Jersey, and there have been no announcements regarding expansion, although the location benefits from proximity to significant fusion research hubs in the Northeast, including PPPL and Columbia University (source: heatmap.news).
Recent Developments
In 2023, prior to its rebranding, Princeton Stellarators Inc. received funding from the U.S. Department of Energy's Milestone-Based Fusion Development Program, which supports advancements in stellarator technology toward commercialization (source: pppl.gov). However, there have been no reported contracts, acquisitions, mergers, or additional funding rounds in the last two years, as the company focuses on proprietary breakthroughs without public milestones or awards beyond Gates' personal Edison Patent (source: thea.energy). Thea Energy's website encourages subscription updates but does not list any recent press releases regarding major announcements, indicating a relatively quiet period in terms of public communications (source: thea.energy).
Working There
Information about working at Thea Energy is limited, but it appears to be suitable for job seekers interested in a small, early-stage fusion startup environment. Roles likely encompass engineering positions focused on magnet design, HTS winding, and CNC manufacturing, as well as physics research and operational roles, inferred from the facility's mix of open desks, lab work, and prototype building (source: heatmap.news). Hiring seems to be concentrated at the New Jersey site, with no remote or other location postings documented (source: fusionxinvest.com). The company culture appears to blend the agility of a tech startup with the practicalities of a laboratory environment, emphasizing local unionized labor for scalability and rapid prototyping, rather than relying on elite academic talent, all within a space that prioritizes manufacturing efficiency (source: heatmap.news). However, no documented benefits, salary data, or employee testimonials are available in public sources.
Last updated on Feb 23, 2026 | Report an issue
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.
Thea Energy is looking for an experienced, highly motivated Buyer/Planner to manage day-to-day material requirements and procurement for our commercial fusion systems. You will oversee the material lifecycle, working with engineering to develop bills of materials, source and negotiate with appropriate suppliers, and manage orders through delivery into inventory. This role demands an organized, quick-moving professional who can keep materials on schedule within the rapid timelines and evolving priorities of a hardware startup.
Key Responsibility Areas
- Own the purchasing lifecycle from requisition through delivery for specialized manufacturing components, commodity hardware, software and supplies.
- Analyze engineering drawings and Bills of Materials (BOM) to plan material requirements, working with engineering and prototyping teams to adjust as designs iterate.
- Source and qualify suppliers for new parts, running a competitive process negotiating price, lead time, and delivery terms.
- Maintain the procurement and supplier database ensuring high accuracy for all part prices, lead times, supplier information, and purchase order documentation.
- Expedite supply priorities and track supplier performance against on-time delivery, quality, and cost targets.
- Coordinate logistics including freight, customs documentation, and handling requirements for hazardous and cryogenic materials.
- Manage day-to-day inventory levels to prevent shortages while minimizing excess stock holding costs.
Ideal Experience & Skillsets
- 5+ years of experience in buying, planning, or material control within a high-tech or aerospace environment.
- Proficiency with ERP/MRP tools (e.g., SAP, Oracle, NetSuite) for purchasing, receiving and inventory management.
- Strong analytical skills using Excel and data models to forecast material demand under shifting timelines.
- Exceptional communication skills to act as a bridge between engineers and suppliers.
- Proven organizational skills with the ability to manage a high volume of concurrent purchase orders in a startup or rapid R&D prototype environment.
- Ability to occasionally lift objects up to 50 lbs.
Benefits
- Comprehensive health benefits (e.g., medical/dental/vision)
- Employee equity stock options
- 20 days PTO
$120,000 - $145,000 a year
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.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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Job expired?Please let Thea Energy know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
September 8, 2026
September 8, 2026
Full time
On-site
Company
US$120,000–145,000 annually
- Kearny, New Jersey, United States
5+ years
UTC-04:00