About the role
Quintessent is seeking a Photonic Test Engineer to develop, optimize, and execute scalable test and analysis platforms for optoelectronic semiconductor devices.
What you'll do
- Design automated testbeds to capture high-fidelity measurement data for photonic integrated circuits and photonic devices, including lasers, modulators, photodetectors, and MUX/DMUX.
- Develop automated testbeds to capture high-fidelity measurement data in a timely manner.
- Develop analysis scripts to quantify device performance as part of yield evaluation, failure analysis, and design verification.
- Interface with teams across test engineering, design/layout, fabrication, and reliability.
What you'll need
- BS, BA, or MS degree in Electrical Engineering, Physics, or a related field.
- Understanding of electronic circuit concepts with hands-on troubleshooting experience.
- Proficiency in scripted languages such as Python.
- Attention to detail with hands-on technical troubleshooting capability.
Nice to have
- Understanding of optoelectronic devices and systems with hands-on troubleshooting experience.
- Experience in test automation and data analysis with programming languages in Python.
- Experience with high-speed S-Parameter characterization methodologies.
- Experience with high-speed optical link characterization.
Skills: photonic integrated circuits, test automation, characterization, Python, optoelectronic
More semiconductor jobs: Test engineer jobs · California jobs
This role has been open 4 days — well below the 124-day median for Silicon Test Engineering roles.
Silicon Test Engineering · Silicon Validation
|
Open roles in category
165
|
Median days open
124 d
|
Category median salary (all employers)
$138k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Quintessent | All employers we track in this specialty (165 roles · 54 employers) |
|---|---|---|
| Open roles in this specialty | 1 | 165 |
| Open roles in the wider Silicon Validation & Test family | 2 | 2395 · 121 employers |
| Median days open | 4 d | 124 d (−120 d vs this employer) |
| Median salary (USD postings) | — | $138k |
Skills observed across this category: photonic integrated circuits, test automation, characterization, Python, optoelectronic
Who's hiring in this category
- Infineon Technologies · 11 open roles · median 111 d
- Qualcomm · 10 open roles · median 120 d
- Renesas Electronics · 10 open roles · median 118 d
- Marvell Technology · 9 open roles · median 136 d
- Teradyne · 9 open roles · median 139 d
- Texas Instruments · 8 open roles · median 119 d
How we counted: 165 open Silicon Test Engineering (Silicon Validation) roles from 54 employers tracked in the SemiconductorJobs index, counted 8 Nov 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Silicon Validation & Test family row. Figures refresh nightly.