Senior Electron Beam Welding Engineer

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. 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 record‑keeping 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 leading cross‑functional projects or mentoring junior engineers and technicians is preferred. Experience with manual and CNC machining operations is preferred. Knowledge, Skills & Abilities Strong knowledge of EBW processes, high‑vacuum systems, and high‑voltage equipment operation. Proficient in reading and interpreting complex engineering and assembly drawings, including weld symbols and geometric dimensioning & tolerancing (GD&T). Familiarity with ASME Boiler and Pressure Vessel Code and AWS structural welding standards. Skilled in using CAD software such as SolidWorks for part modeling and drawing generation. Proficient with computers and digital tools used in technical documentation, data analysis, and process development. Familiarity with the calibration, preventive maintenance, and troubleshooting of EBW systems and associated instrumentation. Strong problem‑solving skills and ability to drive continuous improvement through data‑driven analysis and collaboration. Proven ability to manage multiple priorities in a fast‑paced, agile manufacturing or development environment. Excellent verbal and written communication skills; able to collaborate effectively across engineering, production, and quality teams. Ability to collect, manage, and transfer technical knowledge across teams or documentation systems. Committed to fostering a safe, inclusive, and high‑performing workplace. Ability to work with highly collaborative team. Ability to solve problems quickly and efficiently. Prioritizes and ensures safety of oneself and others. Ability to seek different and novel ways to create efficiencies when working on problems, challenges and issues. Physical Demands Ascending or descending ladders, stairs, scaffolding, ramps, scissor lifts, articulated boom lifts and the like. Setting up and transferring temporary structures (e.g., scaffolding, ladders). Moving self in different positions to accomplish tasks in various environments including tight and confined spaces. Remaining in a stationary position, often standing, or sitting for prolonged periods. Moving about to accomplish tasks or moving from one worksite to another. Adjusting, moving, transporting, installing, positioning, or removing objects up to 50 pounds in all directions. Communicating with others to exchange information. Operating motor vehicles, heavy equipment or machinery. Use hand tools. Repetitive assembly operations of manufacturing test fixtures and test setups in collaboration with engineering and manufacturing teams. Environmental Conditions Low temperatures. High temperatures. Outdoor environment or elements such as precipitation and wind. Small and/or enclosed spaces. Odors or fumes from chemicals or chemical reactions. Elevated heights. Accessing the accuracy, neatness and thoroughness of the work assigned. High‑concentration, demanding and fast‑paced. General office environment. Manufacturing/Industrial Environment. Safety and PPE Reading and interpreting hazardous warning signs. Wearing proper PPE, to include face mask, face shields, gloves, safety shoes, etc. Reporting issues with equipment or unsafe conditions. Travel Some travel may be required (up to 20%) to other Kairos Power offices or external suppliers. Additional Requirements Occasionally requires overtime. Occasionally requires working weekends. Occasionally requires schedule flexibility. Occasionally requires non‑standard work‑week hours. Occasionally requires extended hours to support launch and critical project timelines. Benefits Competitive compensation packages. Medical, dental and vision benefits for employees and their dependents. Paid Vacation. 401(k) and pre‑tax health insurance, dependent care, and commuter benefits (FSA). Kairos Power is committed to building a diverse workforce that reflects the communities where we do business. Kairos Power is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We actively welcome people of different experiences, abilities, and perspectives. Note: You are applying for a position that is located in a facility that handles information that is subject to export control restrictions by the Department of Energy under 10 CFR Part 810. To work in this facility, you need to be authorized by the Department of Energy to access Part 810‑controlled information. Foreign nationals who are citizens of countries that are not on the Department of Energy’s general authorization list are not permitted to work in our facility unless the Department of Energy issues an export control license to the company to permit that individual to have access to Part 810‑controlled information. The following questions are intended to determine the licensing requirements that may apply. #J-18808-Ljbffr Kairos Power