X

X-energy

Develops SMR reactors and TRISO fuel

Mechanical Design Engineer - Steam Generator

Design EngineeringConfirmed live in the last 24 hours
Full-timeGaithersburg, MD, USA

About the Job

Requirements

  • A bachelor's degree in mechanical engineering or a related engineering discipline, such as nuclear, aerospace, or chemical engineering, from an accredited institution is required.
  • Typically, fifteen to twenty years of experience in an engineering role is required.
  • A master's degree in engineering or a related field may substitute for two years of experience; qualifying academic design projects, research, or design-team experience may be considered alongside professional experience.
  • A Ph.D. in engineering or a related field may substitute for three years of experience; qualifying academic design projects, research, or design-team experience may be considered alongside professional experience.
  • Previous experience at X-energy exceeding performance standards may substitute for years of experience.
  • Proficiency with engineering hand calculations is required.
  • Experience or knowledge in at least one of the following areas is required: mechanical design or mechanical process equipment.
  • For mechanical design, experience designing and developing mechanical or fluid systems, assemblies, or components is required.
  • For mechanical design, at least one year of demonstrated hands-on experience developing and delivering hardware or manufacturing processes in a production environment is required; industry internship experience, hobbies, or collegiate engineering projects such as Formula SAE, Baja SAE, Design Build Fly, or Rocket Club may count.
  • For mechanical design, hardware ownership including manufacturing and testing oversight is required.
  • For mechanical design, experience using computer-aided design and product lifecycle management software is required; examples include UG/NX, SolidWorks, Pro/Engineer, Teamcenter, and Windchill.
  • Mechanical process equipment experience or knowledge may include piping, ducting, HVAC, fire suppression, pumps, or valves.

Responsibilities

  • Develop mechanical and physical concepts and support the development of processes to create or identify structures, systems, and components for nuclear products or facilities, focusing on nuclear safety.
  • Identify, collect, and document applicable requirements, interfaces, design basis, and criteria by coordinating with stakeholders and systems engineers; support identifying applicable industry codes and standards under the direction of project leads and systems engineers.
  • Plan and perform analyses to assess structures, systems, and components and ensure they can perform intended functions and meet technical specifications and design requirements.
  • Perform hand calculations and analytical-tool computations for structural, thermal, hydraulic, and other scoping calculations as directed by project leads and systems engineers.
  • For mechanical design, develop mechanical solutions to refine and deploy concepts, technologies, and designs for X-energy-developed reactors, including pressure vessels and piping, reactor internals, nuclear fuel, and high-temperature materials such as graphite.
  • Integrate design activities across engineering team members, partners, and suppliers, and perform scoping and sizing calculations to select design features that meet requirements using consensus codes and standards.
  • Create and maintain computer-aided-design-generated engineering models of reactor structures, systems, and components.
  • Support assessment of structures, systems, and components for manufacturability, assembly, and integration considerations as directed by 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 plans for analytical tools and support qualification of the toolset.
  • Perform work in accordance with X-energy quality procedures for design and configuration management to meet project quality requirements.
  • Provide independent reviews and acceptance reviews of engineering deliverables and data.
  • Lead execution of the core tasks and responsibilities in the job profile without close supervision and with extensive latitude for independent judgment.
  • Teach and mentor more junior team members.
  • Stay abreast of industry and academic trends, breakthroughs, and best practices.
  • Perform other duties as assigned by the manager.

About the Company

X-energy

Develops SMR reactors and TRISO fuel

X-energy designs and develops Generation IV high-temperature gas-cooled pebble-bed reactors and the TRISO-X fuel for small modular reactors (SMRs). Its modular reactor units use TRISO fuel to operate at high temperatures, producing heat that powers electricity generation or process heat through conventional power cycles, with safety features built into the fuel and design. The company differentiates itself by combining a fully modular Gen IV gas-coooled platform with proprietary TRISO-X fuel and a clear path toward commercialization backed by substantial financing. Its goal is to deliver cleaner, safer nuclear energy at commercial scale by completing design, obtaining regulatory clearance, and deploying its SMR technology and fuel.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Rockville, MD
Founded
2009

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