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Deputy Director of Main Power Systems

Job in Rockville, Montgomery County, Maryland, 20849, USA
Listing for: X-energy
Full Time position
Listed on 2026-02-19
Job specializations:
  • Engineering
    Engineering Design & Technologists, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page,  We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at

Job Description

The Deputy Director of Main Power Systems will serve as a key member of the MPS leadership team, supporting the Director as both a technical authority and strategic leader for a specialized team designing and developing the reactor and steam generator systems for X-energy's Xe-100 plant. This system-focused leader will make sound engineering judgments on complex design issues while managing critical interfaces between major plant components and diverse technical disciplines.

Overseeing approximately 60 designers and their technical leads, this role requires exceptional collaborative leadership to coordinate with key interfacing systems, mechanical and nuclear analysis teams, operations personnel, and manufacturing stakeholders throughout the design process. The Deputy Director will strategically allocate resources to critical path activities, solve complex problems amid competing technical requirements, develop engineering talent, drive a culture of engineering excellence, and effectively communicate sophisticated design concepts to both technical and non-technical audiences.

Success in this position demands a deep understanding of mechanical systems combined with the ability to ensure designs meet regulatory requirements, performance specifications, and project timelines while navigating the complex interdependencies of reactor system development.

This position is responsible for providing leadership, management, and technical oversight to multiple teams of engineers responsible for performing across multiple subdisciplines of mechanical engineering across all projects and programs. This senior management role manages a team of engineering managers, leads, and mechanical engineers that provide technical expertise in one or more areas of mechanical engineering for X-energy nuclear reactor design projects.

This includes directing the work of both managers and individual contributors on the team, at the discretion of projects which they are supporting, providing organizational support for the project team, and assisting with the design, analysis and drafting of systems, structures, and components for various advanced reactor plants.

Responsibilities
  • Oversees the execution of the mechanical design, analysis, and evaluation of assigned projects using sound engineering principles and adhering to business standards, practices, procedures, and product / program requirements.
  • Oversees the utilization of engineering resources across multiple projects and ensures qualified engineers are performing assigned work.
  • Adjudicates technical differences within their area of responsibility to determine best option, while fostering a healthy engineering dialogue.
  • Oversees design cycle sprints and provide direction to ensure the convergence of efforts of engineering team members, partners, and suppliers to ensure the successful delivery of high-quality engineering work products are on schedule and within budget as defined by the Project leadership.
  • Manages staff by ensuring they are meeting expectations and promoting their professional development.
  • Develops the strategy, methodology and technical tools for the area of responsibility, including control of resources, policy formulation, and ways in which technical work is executed.
  • Interprets simple internal and external business challenges and recommends best practices to improve products, processes, tools, or services.
  • Uses high level of judgement to make decisions and handle complex tasks or problems in areas of operations, product management, manufacturing, technology, or engineering.
  • Uses high level of judgement to make decisions and handle complex tasks or problems in areas of operations, product management, manufacturing, technology, or engineering.
  • Assess…
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