Principal Test Engineer - Santa Clara, CA, United States
$164,400 USD yearly
Originally posted 18 March 2026 by the employer.
Development of production test solutions for MEMS-based precision timing products across Teradyne ETS-88 and UltraFLEX ATE platforms.
About the role
The Principal Test Engineer is responsible for the development of production test solutions for SiTime’s precision timing products.
What you'll do
- Define the ATE test flow and test plan for new products. - Contribute to pre-silicon test program simulation/verification and AI tool implementation. - Engage with the design team on Design for Test (DFT) features and test plans. - Develop test software on ATE platforms, such as Teradyne ETS-88 and UltraFLEX. - Lead release-to-production activities, support products into high volume production, and lead yield enhancement and cost reduction projects. - Provide technical mentorship to other team members and support evolving business projects.
What you'll need
- Minimum BS Degree in Electrical Engineering or equivalent experience. - Minimum 5 years of related work experience. - Background in ATE development for mixed-signal ICs. - Knowledge of analog electronics and experience with board-level troubleshooting and debug. - Ability to analyze and interpret test data, drive root cause analysis, and lead corrective actions. - Hands-on experience with electronics lab instrumentation, programming skills in C++, and physical ability to lift, push, and pull up to 10 lbs.
Nice to have
- Hands-on experience with ATE platforms such as Teradyne's ETS-88 or UltraFLEX. - Experience with timing ICs, including clock buffers, clock generators, and PLLs.
Skills: ATE test flow, test plan, pre-silicon test program simulation, Design for Test (DFT), test software, Teradyne ETS-88 and UltraFLEX
This role has been open 221 days — well above the 70-day median for Silicon Test Engineering roles.
Silicon Test Engineering · Manufacturing Equipment
|
Open roles in category
135
|
Median days open
70 d
|
Median salary
$117k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | SiTime | All employers we track in this specialty (135 roles · 37 employers) |
|---|---|---|
| Open roles in this specialty | 7 | 135 |
| Open roles in the wider Silicon Validation & Test family | 43 | 2235 · 112 employers |
| Median days open | 185 d | 70 d (+115 d vs this employer) |
| Median salary (USD postings) | — | $117k |
Skills observed across this category: ATE test flow, test plan, pre-silicon test program simulation, Design for Test (DFT), test software, Teradyne ETS-88 and UltraFLEX
Who's hiring in this category
- Infineon Technologies · 13 open roles · median 34 d
- Analog Devices · 11 open roles · median 73 d
- Keysight Technologies · 10 open roles · median 44 d
- Micron Technology · 10 open roles · median 145 d
- STMicroelectronics · 9 open roles · median 34 d
- Texas Instruments · 8 open roles · median 101 d
How we counted: 135 open Silicon Test Engineering (Manufacturing Equipment) roles from 37 employers tracked in the SemiconductorJobs index, counted 26 Oct 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.