CFD/Thermal Hydraulics Engineer III-IV

X-Energy, LLC

Maryland

On-site

USD 123,000 - 155,000

Full time

2 days ago
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Benefits offered by this job

401K plan with employer match
Medical/Dental/Vision Insurance
Life and Disability Insurance
Paid Time Off
Tuition Reimbursement/Professional Dev

Job summary

X Energy, LLC seeks an engineer to design and develop mechanical systems, structures, and components for nuclear products, ensuring performance and compliance with technical specs. The role includes concept development, analysis, prototyping, testing, and commissioning under established quality procedures.

Responsibilities cover SSC evaluation, CFD model development, manufacturing considerations, and verification/validation planning.

Qualifications

  • Bachelor's degree in mechanical engineering from an accredited institution.
  • Proficiency with engineering hand calculations is required.
  • Experience and/or knowledge in CFD analysis codes (e.g., STAR-CCM+, Fluent, or similar).

Responsibilities

  • Develop mechanical/physical concepts, design and support development of structures, systems, and components for nuclear products or facilities with a focus on nuclear safety.
  • Identify, collect, and document requirements, interfaces, design basis and criteria with stakeholders and engineers.
  • Plan and perform analysis to ensure SSCs meet technical specifications and design requirements.
  • Perform computations using hand calculations and analytical tools for structural, thermal, hydraulic analyses as needed.
  • Provide CFD model development, verification, and validation to support design and licensing basis.

Skills

Engineering hand calculations
CFD analysis (STAR-CCM+, Fluent)
Nuclear safety knowledge

Education

Bachelor's degree in mechanical engineering

Tools

STAR-CCM+
Fluent

Job description

Job Description

This role 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.

Job 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: Responsible for providing heat transfer, fluid mechanics, and particulate mechanics analysis to support the design of various X-energy developed reactors and supporting subsystems.
  • Responsible for development, testing and verification of CFD models to support design and analysis which will form part of the reactor licensing basis (steady state and transient conditions, design basis events, anomalies, etc.).
  • 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.
  • Perform other duties as assigned by manager.
Minimum Qualifications
  • Bachelor’s degree in mechanical engineering, or related engineering discipline (e.g., nuclear aerospace, chemical, etc.) from an accredited institution required.
  • Proficiency with engineering hand calculations is required.
  • Experience and/or knowledge in a minimum of one of the following areas: Use of Computational Fluid Dynamics (CFD) analysis codes (e.g., STAR-CCM+, Fluent, or similar).
Preferred Skills
  • Experience with Verification and Validation (V&V)
  • Experience with Star-CCM+

Location: 9801 Washingtonian Blvd, Gaithersburg, MD

Work Site Expectations: 5 days in office Travel Expectations: Up to 10% Hours: Standard office hours are 8:00am - 5:00pm ET, Monday - Friday

Level III Responsibilities

Execute the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, with minimal supervision.

Provide ownership, responsibility, and accountability over technical scope involving the coordination of multiple individual contributors working in a specific area.

Level III Minimum Qualifications

Typically, five 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.

Level IV Responsibilities

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

Provide feedback and guidance to more junior team members with the execution of the core tasks and responsibilities listed in this document.

Lead small groups of engineers to solve complex technical problems and deliver high quality engineering work products on time and within budget.

Level IV Minimum Qualifications

Typically, ten 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.

Compensation

As 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: Level III: $122,500 - $138,750 , Level IV: $132,000 -$155.000

Position Job Classification

Full time - Exempt

Benefits
  • 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.

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. Right To Work Link: If you have the right to work, don’t let anyone take it away (e-verify.gov)

E-Verify Participation Poster English and Spanish X-energy is delivering the next generation of carbon-free energy by reinventing nuclear power. We believe in leaving a cleaner planet for our children and grandchildren, while continuing to provide sufficient and affordable power to sustain growing populations around the world. That is why we have reinvented nuclear power, with a unique combination of proven technologies and new innovations, to meet our current and future needs. Watch our Anthem here

X-energy does not discriminate in employment against qualified individuals on the basis of a disability, and understands its obligation to make reasonable accommodation for individuals with physical or mental impairments that qualify as a disability under the ADA and ADAAA, unless the accommodation would impose an undue hardship on the company. It is an applicant’s or employee’s responsibility to participate in this interactive process by seeking an accommodation, assisting X-energy in reviewing accommodation alternatives and providing medical certification of the need for an accommodation. Any applicant or employee who wishes to seek an accommodation under this policy should contact the Human Resources Department via email at hr@x-energy.com. Whether a requested accommodation would create an undue hardship will be determined based on the facts of each particular case.

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.

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