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X-energy

Develops SMR reactors and TRISO fuel

Engineer 3 - Nuclear Packaging

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 from an accredited institution is required.
  • Typically, five years of experience in an engineering role is required; 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: computer-aided design and product lifecycle management software; hardware ownership including manufacturing and testing oversight; hands-on development and delivery of hardware or manufacturing processes in a production environment; or designing and developing mechanical or fluid systems, assemblies, or components.
  • At least one year of demonstrated hands-on experience developing and delivering hardware or manufacturing processes in a production environment is required; qualifying experience may include an industry internship, hobby, or collegiate engineering project.

Responsibilities

  • Develop mechanical and physical concepts, design them, and support processes to create or identify structures, systems, and components for nuclear products or facilities, with a focus on nuclear safety.
  • Identify, collect, and document applicable requirements, interfaces, design bases, and criteria in coordination with stakeholders and systems engineers; support identification of applicable industry codes and standards under project-lead and systems-engineer direction.
  • Plan and perform analyses to assess structures, systems, and components and verify their ability to perform intended functions and meet technical specifications and design requirements.
  • Perform hand calculations and use analytical tools for structural, thermal, hydraulic, and other scoping calculations to ensure structures, systems, and components meet technical requirements.
  • Create and maintain computer-aided-design engineering models of reactor structures, systems, and components.
  • Integrate design activities across engineering team members, partners, and suppliers, and perform supporting scoping and sizing calculations to select design features that meet requirements using consensus codes and standards.
  • 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.
  • Support assessment of structures, systems, and components for manufacturability, assembly, and integration considerations under project-lead direction.
  • 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 ensure project quality requirements are met.
  • Provide independent reviews and acceptance reviews of engineering deliverables and data.
  • Perform other duties as assigned by the manager.
  • Execute the core tasks and responsibilities in the job profile with minimal supervision.
  • Provide ownership, responsibility, and accountability for technical scope involving coordination of multiple individual contributors in a specific area.

Desired Qualifications

  • Experience leading and executing design, fabrication, testing, and licensing of Type A or Type B fissile radioactive-material transport packages under 10 CFR Part 71 and 10 CFR Part 49.
  • Experience designing, fabricating, or licensing nuclear storage systems under 10 CFR Part 72 or 10 CFR Part 50.
  • Experience facilitating or reviewing structural, thermal, containment or confinement, shielding, and criticality evaluations for nuclear transportation or storage systems.
  • Experience interacting with regulatory authorities during pre-application meetings and providing technical documentation in responses to requests for additional information.
  • Experience interacting with varied internal company stakeholders with technical authority.

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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