X-energy

Engineer

• Develop and implement methodologies to qualify and characterize materials for nuclear reactor applications
• Support selection of appropriate materials, test methods, codes and standards
• Inform development of and assist in oversight of materials testing programs
• Use engineering tools to assess microscale behavior and lifetime performance of materials
• Write and develop design and analysis documentation

Engineer V, Materials

Security Engineer

• Responsible for the development and execution of cyber security engineering strategies and activities in support of plant design and engineering teams
• Integrate the cyber security philosophy into the design of plant information and operational technology systems
• Implementation and assessment of cyber security systems
• Support the cyber security assessments of Xe-100 systems and recommend solutions to cyber security issues
• Collaborate in strategic security relationships between internal resources and external entities to secure information systems
• Architect, develop, implement, maintain, and oversee cybersecurity tools and policies
• Provide advanced support to help troubleshoot complex issues and architect new solutions
• Produce reports on activities and incidents to develop, report on trends, and provide focus on issues
• Identify and remediate control weaknesses
• Develop plans to safeguard computer/server/network configurations and data files
• Perform and review technical risk assessments of new and existing applications

Plant Cyber Security Engineer III

QA Engineer

• Develop, implement, and maintain the test control quality assurance (QA) and quality control (QC) procedures, plans, and manuals
• Ensure QMS compliance with industry standards and regulatory requirements
• Define quality standards for testing processes from receiving to final inspection
• Review and approve technical documents to meet quality requirements
• Provide quality oversight for testing activities; ensure correct execution of procedures
• Collect and analyze quality metrics for performance tracking and improvement
• Manage testing nonconformance program and perform root cause analysis

Manager, Quality Assurance Testing Facility

Mechanical Engineer

• Create designs for various process support systems (chemical, piping, HVAC, ventilation, structural, electro-mechanical, automation and robotics)
• Perform load calculations, system sizing, equipment selection, and layout of ductwork, piping, and facility ventilation
• Support the process, facility design, and fuel development teams
• Create and document engineering designs (requirements, specifications, mechanical drawings, process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), engineering calculations, etc.)
• Conduct energy modeling, simulations, and engineering calculations to enhance efficiency and sustainability
• Coordinate with design teams to ensure seamless integration of HVAC and other mechanical systems into the overall building design
• Support the development of fuel manufacturing processes
• Work with contractors to clarify design intent, resolve technical issues, and provide solutions to site challenges
• Select and order parts for process systems and assemble parts to build prototype designs
• Operate process equipment to perform design verification and validation and conduct quality assurance checks and site inspections
• Perform design engineering activities to support fuel manufacturing (reliability, maintenance, process improvement, failure analysis, cost estimation, etc.)
• Develop standard operating procedures and maintenance plans for process equipment and support systems
• Participate in teams to develop standardized engineering workflows and documentation
• Provide feedback and guidance to more junior team members and lead small groups of engineers to solve complex technical problems
• Perform other duties as assigned by manager

Mechanical and Process Design Engineer

Manager

• Plan, coordinate, and oversee the commissioning process for all systems and equipment within a project
• Develop and oversee the full scope commissioning program for a High Temperature Gas-Cooled Reactor technology or Fuel Manufacturing Facility
• Develop an Initial Test Plan (ITP), including pre-operational and startup procedures, processes and guidelines
• Lead and manage the full commissioning lifecycle from pre-commissioning to plant turnover, ensuring alignment with project milestones and regulatory requirements
• Collaborate closely with engineering and design teams to ensure design packages are commissioning-ready and reflect operational functionality
• Interface with construction planning to coordinate construction completion and system readiness for turnover
• Develop and maintain the commissioning schedule and integrate it with the overall project schedule
• Identify staffing needs for commissioning, lead recruiting, onboarding, and training of site commissioning personnel
• Serve as the primary liaison between the commissioning team, construction, design engineering, and the owner's team
• Manage the system turnover process, including documentation, testing verification, and final acceptance by the owner
• Hire, train, and manage staff who support the commissioning activities
• Perform other duties as assigned by manager

Engineer V, Materials

Plant Cyber Security Engineer III

Manager, Quality Assurance Testing Facility

Mechanical and Process Design Engineer

Commissioning Manager