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Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world’s transition to clean energy, with the ultimate goal to dramatically improve people’s quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables. Job Summary  Kairos Power is seeking a highly motivated Senior Electron Beam Welding Engineer that will be responsible for in-house electron beam welding (EBW) capability development and technology maturation. In this role, you will work on the Welding Development team to assist in the advancement and implementation of welding and manufacturing capabilities. The candidate will partner with design, testing, materials, modeling & simulation, and reliability engineers to develop weld joint design, weld techniques, weld specifications, and inspection methods needed for welded KP-FHR and test platform assemblies. Responsibilities Procedure Development & Qualification Design, develop, and maintain EBW procedures and supporting documentation (WPS/PQR) to meet material, joint, and quality requirements in compliance with applicable codes, standards (e.g., AWS, ASME, API), and regulatory expectations. Develop and execute weld qualification plans, including test coupons and validation trials, in coordination with quality and materials teams Anticipate future welding needs by aligning EBW procedures and qualification strategies with evolving product designs, manufacturing processes, and regulatory demands. Quality Assurance & Process Optimization Oversee and review EBW inspections to verify compliance with design specifications and applicable quality standards. Analyze weld test data to identify trends, determine root causes of defects, and implement corrective actions to enhance welding performance and reliability. Lead continuous improvement initiatives to optimize EBW processes, increase efficiency, reduce cost, and maintain high-quality output. Collaboration & Training Partner with design engineers, production teams, and key stakeholders to integrate EBW processes into the manufacturing workflow effectively. Provide hands-on training and mentorship to welding technicians and operators on EBW techniques, safety protocols, and industry best practices. Technical Documentation & Reporting Develop and maintain comprehensive technical documentation, including process instructions, work procedures, and detailed reports. Ensure accurate recordkeeping of EBW procedures, inspection results, and quality control data to support traceability and continuous improvement. Equipment Ownership & Maintenance Ensure performance, reliability, and availability of EBW systems, including high-vacuum chambers, beam control units, and power supplies. Monitor and calibrate critical parameters (e.g., beam alignment, focus, power output, vacuum integrity) to maintain process consistency and compliance with specifications. Lead maintenance and upgrade initiatives, including preventive planning, troubleshooting, vendor coordination, and system improvements to enhance automation and long-term equipment reliability. Other Duties as Assigned Qualifications Bachelor’s degree or higher in Welding Engineering, Materials Science, Mechanical Engineering, or a related technical field Minimum 5 years of welding engineering experience, with substantial hands-on experience in EBW required Experience with weld inspection methods, including both destructive testing and non-destructive examination (NDE) techniques Hands-on experience working with austenitic stainless steels, carbon steels, piping systems, and pressure vessels Experience l