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Develops and manages supply chain strategies, planning processes, ERP implementation readiness, warehousing and material-flow solutions, budgets, forecasts, risk mitigation, and regulatory compliance plans. Collaborates cross-functionally with procurement, facilities, IT, and operations teams to improve delivery predictability, standardize processes, support nuclear quality and NRC audit readiness, and provide business reports and strategic recommendations.

Designs and develops mechanical systems, structures, and components for nuclear products and facilities, including heat exchangers, pressure vessels, piping, reactor internals, and high-temperature materials. Performs structural, thermal, hydraulic, and sizing calculations; creates CAD models; supports prototyping, testing, manufacturing, and commissioning; develops technical documentation and V&V plans; ensures compliance with codes, standards, quality procedures, and design requirements; and mentors junior engineers.

Directs engineering strategy, integration, standards, quality processes, technology roadmaps, and technical risk management across advanced nuclear development projects. Leads engineering teams, oversees design reviews and regulatory compliance, coordinates resources and project execution, supports budgets and stakeholder engagement, and develops engineering talent. The role is based in Gaithersburg, Maryland, with four days per week in the office and up to 10% travel.

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.

Designs and analyzes mechanical systems, structures, and components for advanced nuclear reactors. Responsibilities include concept development, structural, thermal, hydraulic, and thermodynamic calculations, CAD modeling, prototyping, testing, documentation, verification and validation, manufacturability assessment, and compliance with nuclear design requirements and quality procedures. Works under guided supervision while supporting reactor and nuclear systems engineering activities.

Manages engineers designing and integrating reactor internals for the XE-100 advanced nuclear reactor. Provides design authority, directs mechanical design and analysis, coordinates multidisciplinary teams, suppliers, manufacturing, construction, and licensing efforts, and ensures compliance with design controls, documentation, schedules, budgets, and quality standards. The role also supports technical decisions, resource allocation, staff development, design reviews, and configuration management.

Provides project controls support across risk management, scheduling, budgeting, estimating, and change management. Maintains project schedules, budgets, forecasts, risk registers, performance dashboards, metrics, and KPIs. Supports project leadership with progress tracking, cost reporting, financial analysis, risk mitigation, and status reporting. May perform quantity surveys using on-screen takeoff tools and works under guided supervision.

Develop and execute supply chain strategies for advanced nuclear fuel and reactor programs. Identify, qualify, and manage equipment and service suppliers; create category and project execution plans; analyze spend, risk, market conditions, costs, and schedules; negotiate supplier contracts and strategic agreements; review technical and quality requirements; coordinate supplier QA qualification; monitor supplier performance; manage delivery schedules; and provide commercial and contracting guidance across business units.

Provides project quality assurance for X-energy’s reactor development programs. Establishes and maintains quality management processes, analyzes nonconformances, implements corrective actions, supports inspections and supplier audits, delivers quality training, and reports program risks. Owns project quality plans and serves as the quality point of contact. Ensures compliance with nuclear, DOE, Canadian, international, and ISO requirements while promoting safety and quality culture. The role requires domestic and international travel to supplier and customer sites.

Designs and analyzes mechanical structures, systems, and components for terrestrial and space-based advanced nuclear reactors. Responsibilities include CAD modeling, structural hand calculations, FEA support, design for manufacturability, prototype testing, and cross-disciplinary coordination. The engineer maintains configuration-controlled models in Teamcenter, develops analysis plans, and supports integration of reactor components such as pressure vessels, heat exchangers, core structures, and transportation packages.