×
Register Here to Apply for Jobs or Post Jobs. X

Senior Piping and Valve Design Engineer

Job in Rockville, Montgomery County, Maryland, 20850, USA
Listing for: X-Energy
Full Time position
Listed on 2026-03-01
Job specializations:
  • Engineering
    Mechanical Engineer
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

Our Senior Piping and Valve Design Engineer is responsible for the engineering design and development of mechanical systems, structures, and components. This includes concept development, evaluation of concepts, analysis of systems, structures, and components for their ability to perform their intended function, and ensuring they meet all technical specifications and requirements. The role will ensure the development of the systems and components through production including any necessary prototyping, testing, and commissioning.

Responsibilities

* Develop mechanical/physical concepts, design and support development of processes to create or identify structures, systems, and components (SSCs) for use in nuclear products or facilities with a focus on nuclear safety.

* Identify, collect, and document applicable requirements, interfaces, design basis and criteria by coordinating with key stakeholders/systems engineers and support identifying applicable industry codes and standards and the direction of project leads and systems engineers.

* Planning and performing the analysis required to assess aspects of the SSCs to ensure they can perform their intended functions and meet technical specifications and design requirements.

* Perform computations utilizing hand calculations and analytical tools for structural, thermal, hydraulic, and other scoping calculations as required at the direction of project leads and systems engineers to ensure SSCs can meet technical requirements.

* The role may include specialization in one or more of the following areas:

* Mechanical Design

* Develop innovative mechanical solutions to refine and deploy concepts, technologies, and designs associated with X-energy developed reactors, including pressure vessels and piping, reactor internals, nuclear fuel, and high temperature materials such as graphite.

* Integrate design activities across engineering team members, partners, and suppliers and perform supporting scoping and sizing calculations to down select design features to meet design requirements using guidance from consensus codes and standards.

* Create and maintain CAD-generated engineering models of reactor SSCs.

* Support the assessment of SSCs for manufacturability as well as assembly and integration considerations at the direction of project leads.

* Write and develop design documentation including design basis documents, technical reports, calculations, and drawings in accordance with applicable procedures.

* Develop Verification and Validation (V&V) plans for analytical tools and support qualification of toolset.

* Perform work in accordance with X-energy quality procedures for design and configuration management to ensure project quality requirements are met.

* Provide independent reviews and acceptance reviews of engineering deliverables and data.

* Maintain professional demeanor and behavior at all times in all forms of communication.

* Lead the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, without close supervision and extensive latitude for independent judgement.

* Teach and mentor more junior team members.

* Stay abreast of industry and academic trends, breakthroughs, and best practices.

* Perform other duties as assigned by manager.

Qualifications

* Bachelor's degree in mechanical engineering, or related engineering discipline (e.g., nuclear aerospace, chemical, etc.) from an accredited institution required.

* Typically, fifteen years of experience in an engineering role required.

* A master's degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience.

* A Ph.D. in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of three years of experience.

* Previous experience at X-energy exceeding performance standards may be in lieu of years of experience.

* Proficiency with engineering hand calculations is required.

* 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.

* One plus years of demonstrated hands-on experience developing and delivering hardware or manufacturing processes in a production environment is required. May include industry internship…
Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary