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Techno-Economic Analyst

Commonwealth Fusion Systems - Devens, MA, United States - In-office - posted 2026-10-14

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Commonwealth Fusion Systems is seeking a Techno-Economic Analyst to develop and maintain financial models critical to evaluating the commercial viability of fusion power plants, particularly ARC, the company's first commercial fusion power plant. In this role, you will own the development and evolution of techno-economic models that characterize future costs and benefits of CFS products. You'll incorporate learning curves and experience benefits as the company scales production, establish best practices for analytical methods, and systematically improve models over time. You will track ARC's competitiveness against other energy solutions and work closely with the Scientific Software team to maintain modeling tools and underlying assumptions. Key responsibilities include collaborating across R&D, Engineering, Manufacturing, Finance, Business Development, and external stakeholders to collect primary data, populate models, and validate model fidelity. You'll prepare briefing materials, write technical reports, and present analysis to diverse audiences including investors, customers, and partners. You'll support diligence processes, help evaluate new R&D opportunities and market opportunities, and serve as a feedback loop to engineering and R&D on cost-reduction levers and LCOE drivers. You'll identify key risks and uncertainties within models, develop mitigation strategies, and work with procurement to refine cost estimates. The role requires managing multiple concurrent projects with tight timelines, clear communication with stakeholders, and the ability to execute both loosely-defined mid to long-term assignments and quick estimates for development priorities. REQUIREMENTS: - Bachelor's degree in Engineering, Engineering Technologies, Business, Finance, Economics, Math, Physics, or related field - 5+ years of relevant industry experience - Exposure to or professional knowledge of energy systems - Experience with quantitative analysis and probabilistic models - Cross-functional team experience and stakeholder relationship management - Expert-level MS Excel proficiency; proficient in PowerPoint - Probabilistic modeling and forecasting skills - Understanding of levelized cost of energy (LCOE), overnight capital costs, internal rate of return, and utility return on equity - Professional knowledge of thermodynamics and engineering fundamentals with ability to solve analytical problems from first principles - Strong organizational abilities, attention to detail, and ability to map complex interconnected systems - Proven writing and communication ability for external audiences - Ability to work both collaboratively and autonomously - Adaptability to startup environment with self-direction and initiative BONUS: - Experience with detailed process modeling of emerging technologies and techno-economic models - Cross-functional experience in energy system engineering, business development, and financial modeling - Probabilistic modeling with focus on energy system modeling and optimization - Mathematical modeling and tool development in Python MUST-HAVE: - Ability to perform typing, standing, and sitting for extended periods - Willingness to occasionally travel or work nights/weekends/on-call - Ability to work in facility with industrial hazards (heat, cold, noise, fumes, strong magnets, lead, high voltage, high current, pressure systems, cryogenics) - Compliance with U.S. export control laws

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