Jobs at X-energy

Responsible for executing systems engineering processes for nuclear systems' design, integration, and management. Ensure system components meet requirements within established MBSE frameworks while managing documentation and project communication.

Lead the mechanical design of advanced nuclear reactor systems, manage engineering teams, develop best practices, and drive innovation in heat exchanger technology.

Responsible for the design, integration, and management of complex nuclear systems using systems engineering processes and frameworks, ensuring project requirements are met.

This role manages the supply chain process, liaises with suppliers, develops strategic plans, negotiates contracts, and ensures project goals are met.

This role involves administration and support for X-energy's enterprise software, managing applications, configurations, and ensuring system performance while collaborating with IT and vendors.

Lead design and delivery of ERP and non-ERP system integrations and master data flows for TRISO fuel fabrication. Document architectures, integration patterns, error handling, and reconciliation. Ensure integration designs meet NRC/DOE/ITAR/NQA-1 compliance, coordinate with Quality, Operations, Engineering, and vendors, and serve as primary integration liaison between TRISO-X teams and corporate IT.

Lead end-to-end systems engineering for complex nuclear fuel production systems using MBSE and INCOSE-aligned processes. Manage requirements, interfaces, configuration baselines, V&V (RVTM, test plans, FAT/SAT), and cross-discipline integration to meet NRC/DOE standards. Develop engineering procedures, perform risk assessments, and guide junior engineers while coordinating with stakeholders using JAMA and JIRA.

The Test Hardware Design Engineer designs, tests, and integrates mechanical systems for nuclear prototypes, ensuring performance and safety through detailed engineering analysis and project collaboration.

The Mechanical Systems Design Engineer will design and develop mechanical systems for nuclear products, ensuring safety and functionality through various engineering analyses and CAD modeling.

The Engineer V, Configuration oversees the integrity and traceability of engineering baselines, ensuring proper documentation and change management across teams.

Responsible for the design and development of mechanical systems for nuclear applications, including prototyping and testing, while ensuring compliance with technical specifications and industry standards.

The Systems Engineer III-VI will manage systems engineering processes for nuclear systems, ensuring design integration, requirement management, and documentation throughout system lifecycles.

The Project Controls Engineer III provides support in planning, scheduling, cost management, and risk analysis for projects, ensuring alignment with project goals and metrics.

Lead process engineering for design, installation, operation, and scale-up of fuel manufacturing and chemical processing areas. Develop equipment specifications, translate R&D to production, ensure safety and regulatory compliance, troubleshoot process performance, and manage documentation and waste permitting. Mentor junior engineers and lead small engineering teams.

Responsible for project controls support, monitoring performance, budgeting, reporting on metrics and risks, and assisting in scheduling tasks.

Responsible for creating and maintaining detailed schedules, performing schedule analysis, conducting audits, and supporting project management activities. Collaborate with stakeholders for updates and train junior members.

The role involves guiding valve specification, design, and selection for mechanical processes, mentoring juniors, and ensuring compliance with industry codes and standards.

The Senior Accountant will handle financial reporting, maintain records, support month-end close processes, prepare statements, and improve accounting functions.

Responsible for budgeting, financial analysis, vendor management, and reporting for X-energy's projects, ensuring accuracy and completeness of financial data.

Responsible for providing project controls support in planning, scheduling, cost management, and change management. The role involves monitoring project performance, managing budgets, and preparing reports.