Senior Cryogenic Systems Engineer

D-Wave (NYSE: QBTS) , D-Wave is a leader in the development and delivery of quantum computing systems, software, and services. It is the world's first commercial supplier of quantum computers, and the first and only to offer dual-platform quantum computing products and services, spanning both annealing and gate-model quantum computing technologies. D-Wave's mission is to help customers realize the value of quantum today through enterprise-grade systems available on-premises and via its Leap™ quantum cloud service, which offers 99.9% availability and uptime.

More than 100 organizations across commercial, government, and research sectors trust D-Wave to address complex computational challenges using quantum computing. Learn more about realizing the value of quantum computing today and how D-Wave is shaping the quantum-driven industrial and societal advancements of tomorrow:

D-Wave is seeking an experienced Senior Cryogenic Systems Engineer to join the Hardware Engineering Department. In this role, you will help drive the performance, reliability, and continuous improvement of the cryogenic systems that power the world's most advanced quantum computers.

Working as part of the Cryogenic Systems team, this role combines deep technical expertise with cross-functional collaboration, interfacing closely with Mechanical Engineering, Electrical Engineering, Lab Operations, Manufacturing, and Service. You will develop robust engineering solutions, support system integration and commissioning, resolve complex technical challenges, and continuously improve the performance, reliability, and serviceability of D-Wave's cryogenic systems throughout their lifecycle.

• Lead the design, evaluation, testing, and continuous improvement of cryogenic systems and subsystems to improve system performance, reliability, manufacturability, and serviceability.
• Lead complex engineering investigations, root cause analyses, and corrective action initiatives for cryogenic system performance, reliability, and operational issues across development and production fleets.
• Design, execute, and interpret experiments to validate new hardware designs, characterize system performance, and guide future engineering decisions.
• Develop engineering solutions spanning mechanical, cryogenic, vacuum, gas handling, thermal, magnetic, electrical, and system control disciplines.
• Partner with the Service team to support installation, commissioning, maintenance, upgrades, and field issue resolution while incorporating operational feedback into future product designs.
• Develop and maintain engineering documentation including specifications, test plans, operating procedures, design reviews, risk assessments, engineering analyses, and best practices.
• Lead technical projects from concept through implementation while coordinating work across multiple engineering disciplines and stakeholders.
• Mentor junior engineers and technical staff by providing technical guidance, sharing best practices, reviewing designs, and supporting professional development.
• Collaborate across Engineering, Manufacturing, Supply Chain, and Service to improve product quality, manufacturing readiness, operational efficiency, and long-term fleet reliability.
• Identify opportunities for innovation and contribute to the development of intellectual property that advances D-Wave's cryogenic technologies.

• Bachelor's or advanced degree in Mechanical Engineering, Engineering Physics, Physics, or a related engineering discipline.
• 5+ years of professional experience designing, developing, testing, or supporting complex cryogenic systems, dilution refrigerators, cryostats, or comparable ultra-low temperature systems.
• Experience leading technically complex engineering projects with minimal supervision while delivering high-quality results.
• Experience troubleshooting complex electro-mechanical systems using structured engineering and root cause analysis methodologies.
• Experience working across multiple engineering disciplines to deliver complex hardware systems from concept through production.
• Strong understanding of thermal systems, high vacuum systems, cryogenic instrumentation, mechanical design, and system integration.
• Experience developing engineering documentation, technical procedures, specifications, design standards, and test plans.
• Ability to influence technical decisions, mentor less experienced engineers, and promote engineering best practices.
• Excellent analytical, problem-solving, written, verbal, and interpersonal communication skills with the ability to communicate effectively across technical and non-technical teams.
• Sound judgment, strong organizational skills, and the ability to manage multiple priorities while balancing technical excellence with business objectives.

• Experience designing or supporting dilution refrigerators or millikelvin cryogenic systems.
• Experience with quantum computing hardware or scientific instrumentation.
• Experience with finite element analysis…