Senior Mechanical Test Engineer – Advanced Reactor Tech

X energy LLC; Rockville (MD); Hybrid; USD 76,089 - 144,000; Full time

Benefits offered by this job

401K plan with employer match

Medical/Dental/Vision Insurance

Life and Disability Insurance

Paid Time Off

Tuition Reimbursement/Professional Dev

Job summary

X-energy LLC in Rockville, MD is seeking a Test Engineer to plan, develop and execute test activities for advanced reactor technologies. You will coordinate with system engineers to identify testing needs, develop plans, and oversee the full test hardware lifecycle from concept through commissioning.

The role requires hands-on hardware development, experience with design of experiments, and ability to work with vendors across start-to-finish testing while ensuring safety and quality standards.

Qualifications

• Bachelor’s degree in mechanical, electrical, or nuclear engineering from an accredited institution.
• Hands-on experience with hardware development, testing and experimentation.
• Experience with design of experiments and test planning.
• Experience in high-pressure and high-temperature systems, preferably in pneumatic-type or gas-conveying systems.
• Background in systems engineering and whole lifecycle testing.

Responsibilities

• Help enact standard processes and best practices for technology maturation, test planning and execution.
• Work with system engineers to assess system risks, identify testing needs, and develop test plans.
• Design and develop test facilities, equipment and infrastructure.
• Engage with vendors to oversee start-to-finish testing from concept to execution.
• Provide oversight of internal and external testing activities and communicate results.
• Supervise test setup, installation, commissioning and execution.

Skills

Hands-on hardware testing

Design of experiments

High-pressure/High-temp systems

Systems Engineering background

Full technology development lifecycle

Education

Bachelor’s degree in mechanical, electrical, or nuclear engineering

Master’s degree in engineering (optional for experience substitution)

Ph.D. in engineering or related field (optional substitution)

Tools

Job description

X-energy LLC in Rockville, MD is seeking a Test Engineer to plan, develop and execute test activities for advanced reactor technologies. You will coordinate with system engineers to identify testing needs, develop plans, and oversee the full test hardware lifecycle from concept through commissioning.

The role requires hands-on hardware development, experience with design of experiments, and ability to work with vendors across start-to-finish testing while ensuring safety and quality standards.