Career Opportunities

Lead the experiments that will define the future of fusion energy. The Head of Experimental Physics will lead Realta Fusion’s experimental program to advance the physics basis for high-field axisymmetric mirror fusion. This role is responsible for setting the strategic direction, execution, and growth of the company’s experimental physics efforts, while remaining technically engaged in key…

Position Summary The Head of Finance owns Realta Fusion's financial function, building the systems, processes, and team that will carry the company from venture-backed startup to commercial fusion energy deployment. This senior leadership role demands deep fluency across financial planning and analysis, financial operations, and strategic finance — paired with the judgment and independence to…

This Nuclear Engineer will work with Realta’s engineering and scientific teams to provide critical engineering and design input on Realta’s technology development roadmap. The Nuclear Engineer will be a critical contributor to Anvil – Realta’s reactor scale simple magnetic mirror and primary technology development platform – and Realta’s first-of-a-kind fusion pilot plant, HAMMiR. Realta…

This is a high-impact, cross-functional role for someone who can hold their own in a conversation about engineering specifications in the morning and a contract term sheet in the afternoon. The Supplier Integration Manager is a key member of Realta's Operations team, sitting at the intersection of engineering and procurement. You will own the supplier relationships that underpin our hardware…

Help power the future of fusion by advancing the science behind high-performance neutral beam injection. The Neutral Beam Injector Scientist will work with Realta’s engineering and scientific teams to map and deliver Realta’s technology development roadmap. The Neutral Beam Injector Scientist will support the operation of NBI systems on the Wisconsin High temperature superconducting Axisymmetric…

Join our team to develop the software systems driving cutting-edge fusion energy research. This Experimental Software Engineer will provide technical expertise in a fast-paced scientific research and development program. You will lead and contribute to software systems that enable data acquisition, processing, controls integration, and scientific computing for the currently operating…

Fusion innovation demands world-class safety—come build it with us. The EHS Manager will lead the development, implementation, and continuous improvement of Realta Fusion’s Environment, Health, and Safety programs during a critical phase of company growth. This role will be highly hands-on, responsible for building EHS systems, processes, and culture from the ground up while supporting…

Be the backbone of Realta Fusion’s internal technology. The Senior Systems Administrator owns and scales the company’s IT infrastructure, ensuring our team can work securely, efficiently, and without friction as we grow. This role blends hands-on technical execution with process-building in a fast-moving startup environment. Realta Fusion is a rapidly growing start-up developing compact…

Define the physics foundation powering the next generation of high-field magnetic mirror fusion. The Senior Theoretical & Computational Scientist will both lead and contribute to several theoretical and computational projects to advance the physics basis for the high-field axisymmetric magnetic mirror. This work will include validation of computational models with experimental data from the…

Position Summary Realta Fusion is seeking a Chief of Staff to serve as the CEO’s trusted right hand, focused on driving internal alignment, execution, and operational excellence across the organization. This highly visible role partners closely with the CEO to translate strategy into action, improve internal processes, and ensure the company operates effectively as it scales. The Chief of…

Own the system-level vision that turns first-of-a-kind fusion hardware into a cohesive, scalable reality—leading the integration of breakthrough science and engineering on the path to commercial fusion energy. The Head of Systems Engineering will lead the systems engineering function at Realta Fusion, establishing technical requirements, driving system integration, and ensuring our magnetic…

Join Realta Fusion and help shape the future of fusion energy through advanced theory and computation. As a Theoretical and Computational Scientist, you’ll bridge simulation and experiment to drive groundbreaking progress on our next-generation magnetic mirror devices. Realta Fusion is a rapidly growing start-up developing compact magnetic mirror fusion energy systems to address the biggest…

Realta Fusion is a rapidly growing start-up developing compact magnetic mirror fusion energy systems to address the biggest challenge of our time – tackling global climate change while ensuring a sufficient energy supply for at least ten billion people on (and off) earth. Realta is targeting the need to decarbonize industrial process heat as the fastest path to full-scale deployment of our…