Thermal Analysis Engineer

X-energy; Gaithersburg, Northern (MD, KY); Hybrid; USD 75,000 - 140,000; Full time

Benefits offered by this job

401K with employer match

Medical/Dental/Vision Insurance

Life and Disability Insurance

Paid Time Off

Tuition Reimbursement/Professional Dev

Job summary

X Energy, LLC is seeking Thermal Analysis Engineers to design and develop mechanical systems, structures, and components for nuclear products, with a strong emphasis on safety and compliance. You will evaluate concepts, perform analyses, and guide prototypes and testing to ensure performance from concept to commissioning.

The role requires hands-on use of 1D flow-solvers and engineering hand calculations, collaborating with project leads and systems engineers.

Qualifications

• Bachelor's degree in mechanical engineering or related field from an accredited institution.
• Experience levels: Level I (0+ yrs), Level II (2+ yrs), Level III (5+ yrs) in engineering roles.
• Proficiency with engineering hand calculations and use of 1D flow-solvers for heat/energy and mass balance.
• Familiarity with industry codes and standards and ability to document design basis and criteria.

Responsibilities

• Develop mechanical concepts and support SSC design for nuclear products or facilities.
• Plan and perform analyses to ensure SSCs meet technical requirements and design criteria.
• Support reactor and plant control philosophy in models, simulations, and digital twins.
• Size and analyze components like heat exchangers, pumps, and turbomachinery.
• Prepare design documentation, V&V plans, and adherence to quality procedures.

Skills

Engineering hand calculations

Proficiency with hand calculations

Education

Bachelor's degree in mechanical engineering

Tools

RELAP

Flownex

NPSS

SINDA/FLUINT

Flomaster

Job description

*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**X-energy is seeking Thermal Analysis Engineers 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.* Support the development of reactor and plant control philosophy and implement in plant models, simulations, and digital twins.* Support the sizing and analysis of components including heat exchangers, pumps, circulators, and turbomachinery.* Perform system-level thermodynamic analyses and process design using system-level simulation codes to support design iterations of X-energy developed reactors and supporting subsystems.* 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.**Qualifications*** Bachelor's degree in mechanical engineering, or related engineering discipline (e.g., nuclear aerospace, chemical, etc.) from an accredited institution required.* Level I: Typically, zero years of experience in an engineering role required.* Level II: Typically, two years of experience in an engineering role required.* Level III: Typically, five years of experience in an engineering role required.* Proficiency with engineering hand calculations is required.* Use of 1D flow-solvers performing heat/energy and mass balance (e.g., RELAP, Flownex, NPSS, SINDA/FLUINT, Flomaster, or similar).**Location:** 9801 Washingtonian Boulevard, Gaithersburg, Maryland**Work Site Expectations:** 4 days in office**Travel Expectations:** Up to 10% as needed**Hours:** 8:00am - 5:00pm, Mon-Fri**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 I: $75,000 - $100,000 Level II: $95,000 - $120,000 Level III: $115,00- $140,000**Position Job Classification**Full time - Exempt**Benefits**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.*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.*Right To Work Link:E-Verify Participation Link: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 [e-mail]. Whether a requested accommodation would create an undue hardship will be determined based on the facts of each particular case.