R&D Engineering Intern – Hydrogen Systems

Fourier

Mountain View, CA, USA permanent

Posted: February 2, 2026

Job Description

About the company

Fourier is working on making on-site Hydrogen universally accessible. Our breakthrough architecture enables highly modular and fully automated electrolyzers that scale to any size and optimize efficiency at all loads. We are on a mission to transition the global energy landscape towards a purely sustainable and emission-free future.

About the role

This internship will involve supporting the design and validation of our commercial product. The intern will contribute to the design of a regenerative drying and purification system to enable efficient and continuous production of high-purity hydrogen. Working closely with an R&D engineer, the intern will characterize thermal/separation processes, develop control systems, and optimize operating parameters to satisfy key reliability and cost constraints. As the directly responsible individual overseeing an experimental test station, the intern will develop a data analysis framework to provide key insights into long-term physicochemical phenomena. The role may involve working with vendors to design and develop custom components.

Requirements

• Currently pursuing or recently completed a B.S. or M.S. in Chemical / Materials / Mechanical / Environmental Engineering, Chemistry, Physics or similar

• Comfortable rolling up their sleeves to work with basic mechanical/electrical components, troubleshoot independently, and motivated to take ownership (agency) of hands-on lab work

• Strong fundamentals and problem-solving intuition in one or more of the following areas: thermodynamics, fluid mechanics, heat and mass transfer, reaction kinetics, phase equilibria

• Thrives in a fast-moving environment and can learn, iterate, and execute with velocity

• Must be available to start in February/March 2026 and work on-site in Mountain View, CA

• Highly organized with strong attention to detail and a commitment to following through (accountability)

• Clear, thoughtful communicator who works well on small, collaborative teams

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