Mechanical Design Engineer IV

Engineering Rockville, Maryland


Position Description

X Energy, LLC is seeking a Mechanical Design Engineer IV responsible for the design and development of mechanical systems and components. This includes concept development, evaluation of concepts, analysis of systems and components for their ability to perform their intended function, and ensuring they meet all technical specifications and requirements. They will ensure the development of the systems and components through production including any necessary prototyping, testing, and commissioning.

  • Develop mechanical/physical concepts, designs and support development of processes to create structures systems and components (SSCs). Understand how nuclear safety relates to system engineering and the work performed on a day-to-day occurrence.
  • Identify, collect, and document applicable requirements, interfaces, design basis and criteria by coordinating with key stakeholders/systems engineers and identifying applicable industry codes and standards. Have a thorough understanding of the requirements contained within industry codes and standards and the intent which is implied.
  • Create, or oversee the development of, and maintain CAD-generated engineering models.
  • Planning for the analysis required to assess aspects of the SSCs to ensure they can perform their intended functions and meet technical specifications and requirements.
  • Perform computations utilizing hand calculations and analytical tools for structural, thermal, hydraulic, and other scoping calculations as required at the direction of senior engineers and systems engineers to ensure SSCs can meet technical requirements.
  • Assess SSCs for manufacturability as well as assembly and integration considerations.
  • Perform work in accordance with X-energy quality procedures for design and configuration management to ensure project quality requirements are met.
  • Write and oversee development of design documentation including design basis documents, technical reports, calculations, and drawings in accordance with applicable procedures.
  • Perform other duties as assigned by manager.
Minimum Education/ Qualifications
  • Bachelor’s Degree in Mechanical Engineering, or related engineering discipline from an ABET accredited university required.
  • 10 plus years of experience in an engineering role required (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience).
  • Master’s degree strongly preferred.
  • Nuclear experience at an operating plant is strongly preferred.
  • Background in system design consulting is preferred.
  • Proficiency with engineering hand calculations is required.
  • Analytical software with a focus on performing structural, fluid dynamics or thermal-hydraulic calculations is preferred.
  • Ability to collaborate in a team to produce desired outputs in short turnaround times.
  • Technical proficiency in fundamentals of mechanical design for structural and fluidic components, mechanisms, or manufacturing & processing equipment is preferred.
  • Communications proficiency – strong oral and written communications skills are required.
  • Ability to adapt to and use various computer application platforms is required.
  • Proficient with Microsoft Office, outlook, teams or similar software and pdf editing and markup tools.
  • Able to work within a highly integrated team environment on a day-to-day basis.
  • Problem Solving/Analysis Skills. 
  • Critical Thinking Skills.
  • Troubleshooting Skills.
  • Project management skills to effectively organize and lead external partners.
X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees.

Location: Rockville, MD
Work Site Expectations: Onsite/Hybrid (at least  3-4 days per week in company office) 
Travel Expectations: 15%
Job Classification: Full-time, Exempt
Hours: 8:00am-5:00pm, Mon-Fri
An Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work.