PsiQuantum · 17 hours ago
Senior Cryogenic Engineer
Milpitas, CA
Full-time
Onsite
Senior Level
$170K/yr - $200K/yr
5+ years expPsiQuantum is on a mission to build the first real, useful quantum computers. The Senior Cryogenic Engineer will lead and support the installation, integration, commissioning, and operation of helium cryoplants and associated cryogenic systems, particularly in support of quantum computing applications.
ComputerHardwareQuantum ComputingSemiconductorSoftware
Responsibilities
Coordinate and supervise the installation, commissioning, and operation of two helium cryoplants and related infrastructure
Optimize helium process and system control strategies
Integrate cryoplants with cryogenic distribution systems and cryostats used in quantum computing environments
Provide expert-level troubleshooting of cryogenic systems, including instrumentation faults, vacuum failures, and control logic anomalies
Lead the commissioning of cryoplants and cryostats, including system calibration, leak checking, and vacuum pumping procedures
Lead and manage operational teams, including training and guiding operators during startup, maintenance, and fault recovery
Develop maintenance strategies for cryoplants and support equipment
Participate in FATs and SATs, and lead the commissioning of process automation and control systems, including sensor validation and PLC tuning
Spearhead the development and review of P&IDs, and participate in operability and HAZOP reviews for safety and performance assurance
Maintain high-performance vacuum systems, identify and repair leaks
Qualification
Required
M.Sc. in Mechanical, Electrical, or Chemical Engineering
5+ years of hands-on experience with cryogenic systems, including helium refrigeration, LNG, superconducting magnets, or similar technologies
Proven ability to troubleshoot complex cryogenic and process systems, including instrumentation, vacuum integrity, and control issues
Strong working knowledge of PLC-based industrial control systems and process instrumentation (pressure, flow, temperature, vacuum sensors)
Ability to provide technical leadership and resolve issues in high-pressure, ambiguous situations
Familiarity with design and implementation of control/instrumentation systems for industrial or scientific facilities
Benefits
Equity
Benefits
Company
PsiQuantum
PsiQuantum focuses on developing a scalable quantum computer using photonic qubits.
501-1000 employees
H1B Sponsorship
PsiQuantum has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (10)
2023 (4)
2022 (7)
2021 (15)
2020 (5)
Funding
Current Stage
Late StageTotal Funding
$2.3BKey Investors
BlackRockAtomicoFounders Fund
2025-09-10Series E· $1B
2025-05-30Series Unknown· $22M
2024-11-05Secondary Market
Leadership Team
Peter Shadbolt
Co-founder and Chief Strategy Officer
Recent News
globalventuring.com
2025-12-31
globalventuring.com
2025-12-27
2025-12-09
Company data provided by crunchbase