FP&A Manager
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
Key Responsibility Areas
1. High-CapEx Project Financial Management & Modeling
- Build and maintain detailed financial models tracking high-value capital assets, long-lead procurement, engineering test beds, and facility construction/build-outs.
- Partner with Supply Chain and Engineering to evaluate major equipment purchases, make-vs-buy decisions, vendor contracts, and hardware milestones against budget constraints.
- Establish project-level financial tracking systems to monitor variance (budget vs. actuals) across complex engineering workstreams in real time.
2. Financial Systems, Processes & Procedures
- Build and standardize core FP&A processes, including annual budgeting, monthly/quarterly forecasting, variance reporting, and long-range capital planning.
- Select, implement, and maintain scalable FP&A software and financial integration tools to automate data aggregation across ERP, procurement, and accounting systems.
- Draft and enforce capital authorization limits, CapEx request procedures, and policy guidelines.
3. Strategic Planning & Executive Decision Support
- Own and refine the core 3-statement corporate financial model to support corporate strategy, runway modeling, and fund-raising/investor relations discussions.
- Translate complex financial data into concise dashboard metrics, Board materials, and operational insights for C-suite decision-making.
- Serve as the primary finance partner for Engineering, Operations, and Procurement teams, guiding technical leaders on budget management and cost optimization.
Ideal Experience & Skillsets
- 4+ years of progressive experience in Corporate FP&A, Corporate Development, Investment Banking, or Strategic Finance, with at least 2+ years leading CapEx-intensive financial planning.
- Experience in hardware-heavy industries (e.g., aerospace, automotive, energy storage, semiconductor, oil & gas, or advanced manufacturing).
- Advanced 3-statement financial modeling skills with demonstrated expertise building project finance models, capital investment frameworks, and scenario/sensitivity analyses.
- Proven track record of creating financial processes, CapEx control frameworks, and reporting workflows from the ground up in a growing organization.
- Proficient with modern ERPs (e.g., NetSuite, SAP), FP&A software (e.g., Pigment, Anaplan, Adaptive Insights), and BI tools (e.g., Tableau, PowerBI).
- Bachelor's degree in Finance, Accounting, Engineering, or a related quantitative field.
Mindset & Traits
- Adaptability: Thrives in dynamic, high-ambition environments where processes need to be designed rather than just maintained.
- Technical Curiosity: Comfort collaborating closely with hardware and software engineers to understand complex technical milestones and translate them into financial realities.
- Clear Communicator: Ability to distill complex capital data into clear operational guidance for technical partners.
Company Benefits
- Salary range $125,000-$160,000
- Comprehensive health benefits (e.g. medical/dental/vision)
- Employee equity stock options
- 20 days PTO
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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
August 11, 2026
August 17, 2026
Full time
On-site
Company
US$125,000–160,000 annually
- Kearny, New Jersey, United States
4+ years in Corporate FP&A or related fields
UTC-05:00
