Radiation Shield Design Engineer

X-energy; Gaithersburg (MD); Hybrid; USD 158,000 - 183,000; Full time

Benefits offered by this job

401K with match

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Paid Time Off

Tuition Reimbursement

Job summary

X Energy, LLC in Gaithersburg, MD is seeking a senior nuclear engineer to lead design and analyses for radiation shielding and reactor-related projects. The role requires guiding teams, coordinating with internal and external design groups, and ensuring technical excellence across assignment scopes.

The position emphasizes advanced degrees and substantial experience in nuclear engineering, with opportunities to influence safety, performance, and program outcomes.

Qualifications

• Bachelor’s degree in nuclear engineering or related field.

Responsibilities

• Perform design, analysis, and evaluation in assigned projects using sound engineering principles and adhering to business standards, practices, procedures, and product / program requirements.
• 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 judgment.
• Provide feedback and guidance to more junior team members with the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document.
• Lead small groups of engineers to solve complex technical problems and deliver high quality engineering work products on time and within budget.
• Collaborate in planning, scheduling, and organizing detailed phases of engineering work.
• Collaborate in the technical oversight and direction of internal or external design teams.
• Facilitate and assist in the assessment of customer needs and capture requirements and functions related to nuclear engineering.
• Execute nuclear engineering assignments with clear and specified objectives; utilize conventional specifications and/or Interface Control Documents and plans.
• Recommend system design alterations and enhancements to improve quality of products and/or procedures from an assembly, transportation, construction, commissioning, operations, maintenance, and/or decommissioning perspective.
• Lead reviews and presentations for internal company design reviews and customer design reviews regarding nuclear design.
• Organize engineering efforts in assigned areas between specialty and other engineering groups or disciplines, with the client, suppliers, contractors, or other groups as required.
• Maintain a professional demeanor and behavior at all times, in all forms of communication.
• Perform other duties as assigned by manager.

Skills

Reactor core design

Radiation shielding design

Nuclear fuel analysis

Criticality safety

Reactor multiphysics analysis

Nuclear materials & chemistry

Nuclear analysis software development

Leadership & mentoring

Education

Bachelor’s degree in nuclear engineering or related degree

Master’s degree in engineering or related field (may substitute two years)

Ph.D. in engineering or related field (may substitute three years)

Experience at X-energy may substitute years of experience

Job description

Job Description

This role is responsible for performing radiation shielding tasks associated with designing, modeling, and conducting analyses of a nuclear reactor or nuclear facility.

Job Profile Tasks/Responsibilities

• Perform design, analysis, and evaluation in assigned projects using sound engineering principles and adhering to business standards, practices, procedures, and product / program requirements.
• 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 judgment.
• Provide feedback and guidance to more junior team members with the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document.
• Lead small groups of engineers to solve complex technical problems and deliver high quality engineering work products on time and within budget.
• Collaborate in planning, scheduling, and organizing detailed phases of engineering work.
• Collaborate in the technical oversight and direction of internal or external design teams.
• Facilitate and assist in the assessment of customer needs and capture requirements and functions related to nuclear engineering.
• Execute nuclear engineering assignments with clear and specified objectives; utilize conventional specifications and/or Interface Control Documents and plans.
• Recommend system design alterations and enhancements to improve quality of products and/or procedures from an assembly, transportation, construction, commissioning, operations, maintenance, and/or decommissioning perspective.
• Lead reviews and presentations for internal company design reviews and customer design reviews regarding nuclear design.
• Organize engineering efforts in assigned areas between specialty and other engineering groups or disciplines, with the client, suppliers, contractors, or other groups as required.
• Maintain a professional demeanor and behavior at all times, in all forms of communication.
• Perform other duties as assigned by manager.

Job Profile Minimum Qualifications

• Bachelor’s degree in nuclear engineering or related degree from an accredited institution.
• Typically, ten years of experience in an engineering role.
• 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.
• Possess technical experience and proven expertise in one or more of the following areas:
• Reactor core design and analysis.
• Radiation shielding design and analysis.
• Nuclear fuel analysis and qualification.
• Criticality safety.
• Reactor multiphysics analysis, especially pertaining to transient analysis.
• Nuclear materials and chemistry.
• Nuclear analysis software development, verification and validation.
• Other areas of nuclear engineering or nuclear physics relevant to the design and analysis of small modular reactors, microreactors, and nuclear facilities.

Location: 9801 Washingtonian Blvd, Gaithersburg, MD

Work Site Expectations: 4 days in office, 1 day remote

Travel Expectations: 10% (as needed for project assignment)

Hours: Standard office hours are 8:00am ET to 5:00pm ET, Monday -Friday

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:

$158,000- $183,000

Position Job Classification

Full time - Exempt

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: If you have the right to work, don't let anyone take it away (e-verify.gov)

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