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Commonwealth Fusion Systems · 3 months ago

Senior Equipment Engineer

Milpitas, CA

Full-time

Onsite

Senior Level

$110K/yr - $185K/yr

5+ years exp

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy, and they are seeking a Senior Equipment Engineer to join their R&D and pilot-line team. The role involves supporting, maintaining, and improving high-vacuum sputtering and evaporation systems, while collaborating across engineering and operations functions to ensure safe and reliable equipment operation.

Clean EnergyElectrical DistributionEnergyEnvironmental EngineeringRenewable Energy

Responsibilities

Lead installation, startup, commissioning, and qualification of sputtering and evaporation systems, including vendor factory acceptance testing (FAT)

Develop and maintain procedures including SOPs, PM schedules, and LOTO documentation in compliance with OSHA, SEMI, and internal standards

Train and mentor equipment technicians in safe operation, troubleshooting, and preventive maintenance of deposition tools

Collaborate with process engineers, design engineers, and facilities teams to drive improvements in equipment performance, reliability, and integration

Perform root cause analysis and corrective actions for complex equipment issues

Implement upgrades, retrofits, and reliability improvements with coordination across vendors and internal stakeholders

Track equipment uptime, maintenance history, and performance metrics for continuous improvement

Ensure strict adherence to safety standards and support EHS initiatives

Qualification

Thin-film depositionVacuum systemsSputteringEvaporationEquipment startupProcedure developmentCross-functional communicationTroubleshootingSafety commitmentMentoringDocumentation discipline

Required

Bachelor's degree in Mechanical, Electrical, Materials, or related engineering field (or equivalent practical experience)

5+ years of experience with semiconductor or thin-film deposition equipment, specifically sputtering and evaporation

Strong background in vacuum systems (HV/UHV), pumps (roughing, turbo, cryo), gauges, and leak detection

Demonstrated ability to write and implement procedures (SOPs, PMs, LOTO)

Hands-on experience with equipment startup, commissioning, and qualification

Proven ability to train and support technical staff

Effective cross-functional communicator with strong troubleshooting skills

Commitment to safety, reliability, and documentation discipline

Ability to occasionally lift up to 50 lbs

Perform activities such as stooping, climbing, standing, or sitting for extended periods of time

Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics

Willingness to travel or work required nights/weekends/on-call occasionally