Test Engineer, Design and Execution

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

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.

• Design and develop test systems, equipment configurations, and test items in collaboration with engineering team members to mature prototype first-of-its-kind X-Energy technologies.
• Collaborate with Safety, Health, and Environment (SHE) on hazard identification, safety planning, safety equipment procurement, and infrastructure requirements and training needs.
• Lead test system design reviews and coordinate the preparation of Test Plans, Test Procedures, Test Data, and Test Reports.
• Support in-person test setup, installation, commissioning, and execution at X-energy’s test facility.
• Support standard processes and best practices associated with technology maturation, test planning and execution.
• Maintain professional demeanor and behavior in all forms of communication.
• Perform other duties as assigned by manager.

• Bachelor’s degree in mechanical or nuclear engineering or related degree from an accredited institution.
• Level II:
  Typically three years of experience in a test engineering role.
• Level III:
  Typically five years of experience in a test engineering role.
• Level IV:
  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.

• Background in full technology development lifecycle; design, testing and integration.
• Proven ability to develop full test assembly design package, including conceptual design, PFD, P&, CAD, ICD, BOM, and fabrication drawings.
• Broad background including mechanical, thermal, and materials testing.
• Experience with data acquisition and instrument electronics and troubleshooting.
• Familiarity with the ASME BPVC. Familiarity with codes and standards (ASME, ASTM) relevant to high temperature/pressure systems.

Location:

530 Gaither Road, Rockville, MD

Work Schedule:

4 Days a week in office

Hours:

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

As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job…