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X-energy

Develops SMR reactors and TRISO fuel

Test Hardware Design Engineer

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

About the Job

Requirements

  • A bachelor's degree in mechanical engineering or a related engineering discipline from an accredited institution is required.
  • Proficiency with engineering hand calculations is required.
  • Use computer-aided design and product lifecycle management software.
  • Have hardware ownership experience, including manufacturing and testing oversight.
  • Have at least one year of demonstrated hands-on experience developing and delivering hardware or manufacturing processes in a production environment; this may include industry internship experience, hobbies, or collegiate engineering projects such as Formula SAE, Baja SAE, Design Build Fly, or Rocket Club.
  • Have experience designing and developing mechanical or fluid systems, assemblies, or components.

Responsibilities

  • Develop mechanical and physical concepts, and design and support development of 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 basis, and criteria by coordinating with key stakeholders and systems engineers; support identifying applicable industry codes and standards under the direction of project leads and systems engineers.
  • Plan and perform analyses required to assess structures, systems, and components to ensure they perform their 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 required to ensure components meet technical requirements.
  • Develop 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.
  • 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.
  • Create and maintain computer-aided-design engineering models of reactor structures, systems, and components.
  • Support assessment of structures, systems, and components for manufacturability, assembly, and integration considerations.
  • 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 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 core tasks and responsibilities 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.

Desired Qualifications

  • Have professional experience in commercial nuclear power and experience with design, qualification, licensing, and construction to ASME Boiler and Pressure Vessel Code Section III and/or Section VIII.
  • Have experience using hand tools and handling equipment to assemble mechanical systems or components.
  • Have experience designing and developing specialized test setups, tooling, and handling equipment for evaluating mechanical system or component performance.
  • Be familiar with metrology techniques for component inspection, fit checks, and troubleshooting mechanical issues.
  • Be familiar with selecting and using instrumentation to test and characterize electro-mechanical system and component performance.
  • Have experience working in hazardous industrial or manufacturing environments and prior training in areas such as pressurized or stored energy, high- or low-voltage safety, lockout/tagout, hoist and rigging operations, machining, and hazard awareness.
  • Have proficiency with data-analysis software such as MATLAB or Python for processing experimental data.
  • Have experience with data-acquisition systems such as LabVIEW and test instrumentation.
  • Have experience with prototype development and experimental testing in research and development or laboratory environments.
  • Have experience with Nuclear Regulatory Commission regulations and licensing requirements for safety-related systems.
  • Have experience designing to ASME Boiler and Pressure Vessel Code, ASME B31.1 or B31.3, and other industry standards.
  • Have experience with mechanical design of heat exchangers, boilers, or steam generators.
  • Have experience selecting, sizing, and developing specifications for mechanical process equipment, including piping, ducting, heating, ventilation and air conditioning, fire suppression, pumps, pressure vessels, valves, and structural supports.
  • Have experience designing control, gate, globe, ball, or check valves for high-pressure and high-temperature fluid or gas applications.
  • Have experience with procurement and manufacturing oversight of pressure vessels or large metallic components.
  • Have hands-on experience with graphite or other non-metallic components, fabrication or assembly sequencing, and/or tooling development.
  • Have experience designing and executing vibration, shock, and modal test programs to qualify mechanical components for high-reliability applications.

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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