Exowatt develops modular P3 “rocks-in-a-box” solar thermal batteries that aim to supply AI data centers with continuous power at roughly $0.01 per kWh.
Exowatt is revolutionizing the energy landscape for the AI era with our groundbreaking P3 system that captures solar energy, stores it as heat, and generates electricity on demand. Founded in 2023 and backed by leading investors including Andreessen Horowitz, Sam Altman, and Felicis, we're committed to providing clean, modular, and scalable power that meets the rapidly growing demands of AI infrastructure. Our mission is to make sustainable renewable energy always available and almost free, enabling technological advancement while protecting our planet. We are seeking a Lead Thermal Design Engineer to lead the design, development, and optimization of solar thermal receivers for our energy systems. In this role, you will own the engineering of components that absorb and transfer high-flux solar radiation into our thermal storage systems. You will work at the intersection of heat transfer, materials science, and optical engineering to push the boundaries of receiver efficiency, durability, and cost-effectiveness. This position is based in Miami, FL preferred, however an alternate location of Austin, TX is possible for the right candidate. If hired for this role, relocation to one of these sites is required. We provide relocation assistance.