Senior Cryogenic Controls Engineer

PsiQuantum; Milpitas (CA); On-site; USD 208,000 - 245,000; Full time

Benefits offered by this job

Equity grants

401(k) with company match

Health coverage

Paid holidays

Job summary

PsiQuantum in Milpitas, California, is seeking a Manager, Process Control Engineer to design, implement, commission, and operate the cryogenic instrumentation and control systems that support our cryogenic infrastructure.

You will lead PLC hardware and software development, mentor the Cryogenics Controls team, and collaborate with Cryogenic Engineers to build robust controls, automation, and data analytics across global sites.

Qualifications

• Bachelor’s or Master’s degree in Electrical/Controls Engineering or a related field.
• 7–10+ years designing and commissioning industrial process control systems.
• Hands-on experience with PLC-based automation systems.
• Experience designing electrical and instrumentation systems for industrial facilities, including instrumentation, PLC hardware, network, motors, VFDs, and power distribution up to 480 VAC.
• Demonstrated experience programming PLCs, developing HMI applications, implementing process automation, and troubleshooting complex control systems.
• Strong understanding of instrumentation, process measurements, control valves, actuators, alarms, and safety interlocks.
• Ability to develop and interpret P&IDs, control narratives, cause-and-effect matrices, electrical drawings, and instrumentation documentation.
• Experience leading multidisciplinary engineering projects from design through commissioning and operations.

Responsibilities

• Lead the design, implementation, and commissioning of PLC-based cryogenic control system, including control architecture, P&IDs, control narratives, control logic, alarms, and safety interlocks.
• Serve as the electrical engineering lead for the cryogenic system, with responsibility for electrical systems up to 480 VAC and coordination with external specialists for higher-voltage installations.
• Design, specify, install, and commission instrumentation, control panels, PLC cabinets, field wiring, UPS systems, motors, VFDs, electrical heaters, and power distribution.
• Define the controls hardware architecture, including instrumentation, PLCs, remote I/O, industrial networks, communications, and system integration.
• Select instrumentation and controls hardware, work with vendors, participate in design reviews and FAT, ensure third-party equipment complies with PsiQuantum standards.
• Collaborate with Cryogenic Engineers to develop control philosophies, operating sequences, and control narratives for all cryogenic equipment.
• Develop the PLC software based on the control philosophy; develop and test control logic, safety interlocks, and automation functions.
• Develop HMI applications to provide intuitive operation, diagnostics, trending, and alarm management.
• Lead installation, loop checks, I/O verification, bench testing, commissioning, startup, and performance validation of new cryogenic systems.
• Develop systems for data acquisition, historian integration, trending, diagnostics, and performance analytics.
• Troubleshoot complex instrumentation, electrical, and automation issues during commissioning and plant operations.
• Provide day-to-day technical leadership for Process Controls engineers and technicians by assigning work and mentoring.

Skills

PLC programming

HMI development

Electrical engineering

Instrumentation

Leadership

Team mentoring

Industrial automation

Controls engineering

Education

Bachelor’s or Master’s in Electrical/Controls Engineering

Tools

PLC hardware

Industrial networks

Job description

PsiQuantum in Milpitas, California, is seeking a Manager, Process Control Engineer to design, implement, commission, and operate the cryogenic instrumentation and control systems that support our cryogenic infrastructure.

You will lead PLC hardware and software development, mentor the Cryogenics Controls team, and collaborate with Cryogenic Engineers to build robust controls, automation, and data analytics across global sites.