Manager, Mechanical Engineer - Reactor Internals
Listed on 2026-09-17
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Engineering
Mechanical Engineer
Job Description
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. We will never ask you to provide payment information as part of the recruiting process.
ResponsibilitiesManages 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. 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 external design reviews, and control of product design configuration data.
Maintain professional demeanor and behavior at all times in all forms of communication. Perform other duties as assigned by manager.
Bachelor’s degree in mechanical engineering or related discipline from an accredited university or college. Typically, ten years of engineering experience. Graduate degrees typically count as two plus years of experience.
Experience and/or knowledge in a minimum of one of the following areas:
- Mechanical Design Designing and developing mechanical or fluid systems, assemblies, or components.
- Hardware ownership including manufacturing and testing oversight.
- Use of Computer-Aided Design (CAD) and product lifecycle management (PLM) software.
- E.g. UG/NX, Solid Works, Pro-Engineer, Teamcenter, Windchill, or similar.
- PE License.
- Nuclear design, reactor operations, or nuclear navy experience.
- Nuclear Reactor Internals experience.
9801 Washingtonian Boulevard, Gaithersburg, Maryland
Work Site Expectations4 days in office
Travel Expectationsup to 10% as needed
HoursStandard office schedule are 8:00am-5:00pm ET, Mon-Fri
CompensationAs required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them.
Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives. Offers within the posted salary range are commensurate with the individual’s qualifications for the position, along with a view on internal equity, market data, and room for growth.
The salary range for this position is: $185,000- $207,000
Full time - Exempt
BenefitsX Energy, LLC offers a robust…
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