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Test Engineer, Graphite Material Qualification

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, www.x-energy.com/careers/. 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 www.x-energy.com/contact-us.

Job Description

This role is responsible for the planning, development, and execution of test activities for the advanced reactor technologies. The role will coordinate with system engineers to identify required testing, plan the necessary test program(s), oversee the entire test hardware lifecycle including development, procurement, fabrication, installation, testing, and decommissioning, and document and communicate results throughout the organization.

The role may work in a general office space (onsite/remotely via technology) and/or in a designated facility laboratory area. While performing the duties of this job, the employee must be able to talk, hear, walk, and move consistently throughout the day. May be subject to high temperatures, noises, and vibrations from generating equipment. May be subject to the handling of and exposure to hazardous chemicals. Must be able to push, pull, move, and/or lift a minimum of 25 pounds. May be required to work in cramped spaces.


 

Job Profile Tasks/Responsibilities

  • Help enact standard processes and best practices associated with technology maturation, test planning and execution.
  • Work with system engineers to assess system risks, identify testing needs and requirements, develop test plans & specifications, and provide oversight of test activities.
  • Support planning, design and development of test facilities, equipment and infrastructure.
  • Engage with vendors to provide technical oversight of start-to-finish testing activities, from initial concept development through test execution.
  • Provide general oversight of internal and external testing activities to verify the technical and programmatic completeness of testing performed.
  • Provide in-person supervision of test setup, installation, commissioning and execution.
  • Maintain 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 mechanical, electrical, or nuclear engineering or related degree from an accredited institution.
  • Typically, ten years of experience in a test 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.
  • Hands on experience with hardware development, testing and experimentation.
  • Demonstrated experience with design of experiment and test planning.

Preferred Skills

  • Background in Nuclear Engineering or Material Science.
  • Hands on experience with material testing - especially graphite.
  • Understanding of material effects of temperature, pressure, chemistry and irradiation. 
  • Experience with nuclear material qualification and licensing.
  • Experience with formal quality frameworks, especially NQA-1.
  • Familiarity with the ASME BPVC.
  • Ability to travel to vendor sites on a regular basis.

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. 

A reasonable estimate for this position at the level of experience required is:

$133,650.00 to $170,775.00

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

E-Verify Participation Link:  E-Verify Participation Poster English and Spanish  

Average salary estimate

$152212.5 / YEARLY (est.)
min
max
$133650K
$170775K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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DATE POSTED
August 26, 2025
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