System Commissioning Engineer

Job Description

Job Title: System Commissioning Engineer. Location: Palo Alto, California, United States

PsiQuantum is building the world’s first useful quantum computer using silicon photonics; As a System Commissioning Engineer, you will be instrumental in installing, testing, and maintaining the advanced infrastructure needed to support our fault-tolerant quantum systems; Your work will contribute directly to the development of scalable quantum data centers.

Responsibilities:

• Review system and sub-system hardware designs and commissioning plans.
• Lead installation, troubleshooting, and operation of systems such as cryostats, vacuum chambers, lasers, and optical fiber assemblies.
• Support the development and execution of commissioning procedures and scripts;
• Train on-site teams in system setup, calibration, maintenance, and safety.
• Oversee and execute power-on, calibration, and operational tests to ensure system readiness;
• Collaborate closely with validation teams to align commissioning procedures with performance metrics.
• Perform ongoing system maintenance, including recalibration and updates.

Qualifications:

• B.Sc., M.Sc., or Ph.D. in Mechanical, Electrical, Optical Engineering or related field.
• Minimum 4 years of relevant industry experience in system commissioning or related roles;
• Hands-on experience with cryogenic systems, vacuum systems, fiber optics, and electronic infrastructure.
• Strong troubleshooting skills with the ability to interpret mechanical, electrical, and optical schematics;
• Experience with data center equipment, including UPS, generators, and power quality systems, is a plus.
• Familiarity with thermal, optical, and mechanical integration best practices.

Preferred:

• Experience in photonic systems or quantum computing environments.
• Knowledge of cryogenics and basic thermodynamics;
• Proficiency in Python or similar scripting languages for test automation and data handling.
• Exposure to quantum error correction concepts is a strong plus.

What We Offer:

• A chance to work on the forefront of quantum technology with a world-class team.
• Involvement in meaningful, nation-backed projects aiming to deploy utility-scale quantum computers;
• Inclusive and innovative culture committed to equal opportunity.