Senior Manufacturing Engineer

About this role

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/ . We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us .

Job Description X-energy is seeking a Senior Manufacturing Engineer responsible for translating complex nuclear component designs into manufacturable products for our small modular reactor program. This role requires expertise in heavy component manufacturing, with emphasis on design for manufacturability, process optimization, and quality assurance. The ideal candidate will work closely with vendors throughout the manufacturing lifecycle, from initial planning to final delivery, providing on-site monitoring and oversight during critical fabrication phases. This position demands hands-on involvement in vendor management, fabrication surveillance, and manufacturing problem-solving to ensure our nuclear systems meet all technical specifications while being efficiently and safely manufactured.   Responsibilities • Develop mechanical/physical concepts, design and support development of processes to create or identify structures, systems, and components (SSCs) for use in nuclear products or facilities with a focus on nuclear safety. • Identify, collect, and document applicable requirements, interfaces, design basis and criteria by coordinating with key stakeholders/systems engineers and support identifying applicable industry codes and standards and the direction of project leads and systems engineers. • Planning and performing the analysis required to assess aspects of the SSCs to ensure they can perform their intended functions and meet technical specifications and design requirements. • Perform computations utilizing hand calculations and analytical tools for structural, thermal, hydraulic, and other scoping calculations as required at the direction of project leads and systems engineers to ensure SSCs can meet technical requirements. • Create and maintain CAD-generated engineering models of reactor SSCs. • Integrate design activities across engineering team members, partners, and suppliers and perform supporting scoping and sizing calculations to downselect design features to meet design requirements using guidance from consensus codes and standards. • Develop innovative mechanical solutions to refine and deploy concepts, technologies, and designs associated with X-energy developed reactors, including pressure vessels and piping, reactor internals, nuclear fuel, and high temperature materials such as graphite. • Support the assessment of SSCs for manufacturability as well as assembly and integration considerations at the direction of project leads. • Write and develop design documentation including design basis documents, technical reports, calculations, and drawings in accordance with applicable procedures. • Develop Verification and Validation (V&V) plans for analytical tools and support qualification of toolset. • Perform work in accordance with X-energy quality procedures for design and configuration management to ensure project quality requirements are met. • Provide independent reviews and acceptance reviews of engineering deliverables and data. • Lead the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, without close supervision and extensive latitude for independent judgement. • Teach and mentor more junior team members. • Stay abreast of industry and academic trends, breakthroughs, and best practices. • Maintain professional demeanor and behavior at all times in all forms of communication. • Perform other duties as assigned by manager.

Qualifications • Bachelor’s degree in mechanical engineering, or related engineering discipline (e.g., nuclear aerospace, chemical, etc.) from an accredited institution required. • A master’s degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience. • A Ph.D. in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of three years of experience. • Previous experience at X-energy exceeding performance standards may be in lieu of years of experience. • Proficiency with engineering hand calculations is required. • Experience and/or knowledge in a minimum of one of the following areas: • Use of Computer-Aided Design (CAD) and product lifecycle management (PLM) software E.g. UG/NX, SolidWorks, Pro-Engineer, Teamcenter, Windchill, or similar. • Hardware ownership including manufacturing and testing oversight. • One plus years of demonstrated hands-on experience developing and delivering hardware or manufacturing processes in a production environment is required. May include industry internship experience, hobby, or participation in collegiate engineering projects such as: Formula SAE, Baja SAE, Design Build Fly, Rocket Club, etc. • Designing and developing mechanical or fluid systems, assemblies, or components.

Preferred Experience • Design for Manufacturing (using manufacturer input and testing back into design) • Heavy manufacturer startup and follow for FOAK components • Weld engineering (degree preferable), minimum familiarity with AWS standards and ASME BPVC Section IX • Experience with machining and assembly • Proficient in CAD modeling and drawing production (NX preferred) • ASME Component manufacturing experience (preferably BPVC Section III, minimum Section VIII) • Experience troub

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