PsiQuantum · 1 week ago
Silicon Photonics Test Engineer
Palo Alto, CA
Full-time
Onsite
Entry, Mid Level
$104K/yr - $121K/yr
2+ years expPsiQuantum’s mission is to build the first useful quantum computers. The Silicon Photonics Test Engineer will develop, maintain, and execute automated optical/electrical test systems for wafer-level photonic devices, requiring hands-on experience with photonics testing and a solid understanding of optoelectronic device physics.
ComputerHardwareQuantum ComputingSemiconductorSoftware
Responsibilities
Design and perform optical and electrical characterization of silicon photonic components (e.g., modulators, detectors, filters, couplers)
Develop and maintain automated test setups for wafer-level and die-level testing
Interface with design, process, and packaging teams to define test requirements, performance metrics, and data formats
Analyze large datasets to extract key device parameters and identify performance trends or process drifts
Collaborate with software engineers to implement data acquisition and control in Python, MATLAB, or similar frameworks
Perform calibration, alignment, and validation of optical test stations
Document test methodologies, standard operating procedures (SOPs), and support transfer of test processes to production
Contribute to the continuous improvement of measurement accuracy, throughput, and system reliability
Qualification
Required
B.S. or M.S. in Electrical Engineering, Physics, Optics, Photonics, or a related field
2–5 years of experience in photonics testing or optical characterization (academic or industry)
Hands-on experience with optical and electrical instrumentation, including power meters, tunable lasers, polarization controllers, photodiodes (PDs), optical vector analyzers, VNAs, SMUs, and optical/electrical switches
Proficiency in data analysis and automation scripting, especially in Python
Familiarity with semiconductor wafer probing, electrical test systems, and instrumentation control interfaces (e.g., GPIB, VISA, TCP/IP)
Solid understanding of silicon photonics device physics and integrated optics
Demonstrated problem-solving ability, strong documentation skills, and effective team collaboration
Preferred
Experience with wafer-level photonic probing or automated probe stations
Knowledge of optical packaging, fiber alignment, and coupling techniques
Familiarity with statistical data analysis, yield tracking, and process control methodologies
Experience with database systems (e.g., SQL) or automated test data pipelines
Experience using version control systems (Git) and implementing CI/CD pipelines for test automation
Proficiency with optical simulation tools such as Zemax (or Lumerical/COMSOL)
Experience developing or maintaining production-grade test management systems
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
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