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Tokamak Energy is a global leader in fusion energy and high temperature superconducting (HTS) technologies. We work with governments and industry to develop and bring fusion and HTS solutions to market through innovation and strategic partnerships. A major part of this is our end to end capability in HTS systems, from design to manufacturing. We are the Magnet Systems Partner for the UK Government's STEP Fusion programme, under a £70 million contract running to 2029, working with UK Fusion Energy to deliver HTS magnet systems for the STEP prototype power plant, while also contributing to tokamak systems and plasma integration. Founded in 2009 as a spin-out from the UK Atomic Energy Authority, Tokamak Energy is headquartered in Oxfordshire, with subsidiaries in the United States and Japan. Today, we employ over 300 people and have secured more than £280 million in investment. We operate through three divisions: Fusion - Fusion energy technologies, expertise and testbeds for government and private fusion programmes, including ST40, the world’s highest field spherical tokamak. TE Magnetics - HTS systems for commercial applications including fusion energy, power distribution, life sciences, and propulsion. Ridgway Machines - Manufacturing equipment for the superconducting, electrical and wider energy sectors, enabling the rapid industrialisation of HTS products. Take ownership of complex cryogenic systems from concept to operation We are seeking an experienced engineer to lead the design, implementation and operation of cryogenic systems supporting advanced superconducting magnet technology. What you will be doing Take technical ownership of cryogenic systems and infrastructure Define requirements and specifications for new equipment Support supplier selection, procurement and installation Lead commissioning and operational readiness activities Monitor, optimise and troubleshoot operational systems Work on systems from laboratory cryocoolers to large cryoplant installations Collaborate across engineering and scientific teams What success looks like Within six months, you will have taken ownership of a cryogenic project and be driving delivery with minimal supervision.