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Manager, Mechanical Engineering

xenergy · Rockville, MD · United States · On-site

Pay: USD 162,500 – 207,500 a year

Posted Sep 24, 2026

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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, www.x-energy.com/careers/ . 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 www.x-energy.com/contact-us . Job Description This position is responsible for managing the group of engineers responsible for performing a subdiscipline of mechanical engineering across all projects and programs. This includes directing the work of 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.   Job Responsibilities Manages 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. This role may include specialization in one or more of the following areas: Lead team responsible for performing the mechanical design of various advanced reactor plants to inform the design, manufacturing, construction and licensing strategy. Manages 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. Lead 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. Influences the development of 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. Act in advisory capacity to define scope and level of effort estimates for areas where their resources would be supporting. Work within a multidisciplinary engineering team to create the next generation nuclear power plants. Perform work in accordance with design control procedures, ensuring thorough documentation of work, facilitation of internal and…