Senior Test Engineer, Materials

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

This position provides technical leadership and management support for nuclear technology advancement and testing. This includes directing and mentoring the work of individual contributors on the team, supporting the management of resource and organizational needs of the test engineering team, and assisting with the coordination with system engineers to identify required testing, plan the necessary test program(s), supervise test execution and evaluation, and communicate results throughout the organization.

• Develop and enact standard processes and best practices associated with technology maturation, test planning and execution.
• Support the execution of the test activities of assigned projects using sound engineering principles and adhering to business standards, practices, procedures, and product / program / project requirements.
• Lead testing activities and provide direction to ensure the convergence of efforts of engineering team members, partners, and suppliers to ensure the successful delivery of high-quality test engineering work products are on schedule and within budget as defined by the Project leadership.
• Engage Universities, Private Contractors, National Labs, and internal X-energy assets to perform experimentation and testing to obtain required useful information.
• Manage a team who designs and operates testing facilities.
• Create and implement test plans.
• Procure material and facilities.
• Review test output data.
• Create reports based on findings.
• Support engineering resources utilization across multiple assignments and ensure qualified engineers are performing assigned work.
• Help manage test engineering staff by ensuring they are meeting expectations and promoting their professional development.
• Support high level decision making and handling complex tasks or problems in areas of operations, product management, technology, or engineering.
• Assesses quality of information given and asks pertinent questions to stakeholders.
• Offers new solutions to problems outside of set parameters and can construct and provide recommendations.
• Ensure testing activities are performed in accordance with Quality Assurance requirements.
• Maintain professional demeanor and behavior at all times in all forms of communication.
• Perform other duties as assigned by manager.

• Bachelor’s degree in mechanical, electrical, or nuclear engineering or related discipline from an accredited university or college.
• Typically, seven plus years of professional experience in engineering after completion of undergraduate study. Graduate degrees typically count as two plus years of experience.
• Hands on experience with hardware development, testing and experimentation.
• Demonstrated experience with design of experiment and test planning.
• Experience working under a formal quality assurance framework such as ISO 9000, ASTM or NQA-1.
• Leadership experience on hardware and testing related projects.

• Creep-fatigue (metals), Creep graphite.
• Stress-corrosion cracking, high-temperature oxidation and corrosion.
• He-implantation.
• Metal and graphite materials irradiation.
• Materials characterization (SEM-EDS, TEM, XRD, XPS, etc.).
• Familiarity with relevant ASME and ASTM standards.

Location:

530 Gaither Road, Rockville, MD

Work Schedule:

4 Days a week in office

Hours:

8:00am-5:00pm, Mon-Fri

Travel Expectation: 10%

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…