Senior Engineer, Test Engineering

SiTime

Senior Sustaining Test Engineer at SiTime Corporation responsible for test process implementation and collaborating with cross-functional teams for manufacturing test abnormalities and improvements.

Posted 4/25/2026full-timeTaoyuan City • 🇹🇼 TaiwanSeniorWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Provide solutions and dispositions to test abnormalities in a manufacturing/production environment.
Plan and execute qualification and buy-off for new and mature products, test hardware and tooling, ATE System, test programs and other testing related coverage.
Provide test data analysis and documented reports on buy-off and qualification.
Provide remote and online debug for test hardware and tooling, products, test program, and system issues.
Gain product transfer knowledge on testing and test process from cross functional team.
Continuous line support for all production released SiTime products in addressing testing factor abnormalities, project improvement and including testing deployment activities of new products for production.
Support NPI to mass production release testing activities.
Ensure OSAT testing for Final Test and Circuit/Wafer Probing is free from issues that could cause line-downs or output delays.
Interface with internal cross-functional team and OSAT personnel.
Develop and refine test processes for Circuit/Wafer Probing and Final Test.
Provide test process improvements where necessary.
Create and maintain test process documentation, including SOPs, control plans, and troubleshooting guides.
Travel locally or internationally to support work-related activities as needed.

Requirements

What you’ll need

Bachelor’s or Master’s degree or above in Engineering, Computer, Electrical, Industrial or any related field.
Hands-on experience with Prober and ATE.
Experience with Final Test and/or Wafer Sort/Circuit Probing.
Hands-on experience of doing production line sustaining for Final Test or Circuit Probe/Wafer Sort in a Product Test Engineer or Test Engineer capacity.
Hands-on experience with ETS-88, ETS-364 or any other commercial testers (LTX, Advantest, uFlex, iFlex etc.).
Familiar with or knowledgeable in C++ or Python programming languages.
Experience with setting up and verification of testing hardware e.g. Probe Card, Load Board, Circuit Interface board.
Good background in test methodologies, test flows and schematics.
English communication proficiency is needed.
Preferred industry related work experience: 5-15 years or more.
Familiarity with SPC, FMEA, and Lean Six Sigma methodologies is a plus.

Benefits

Comp & perks

SiTime compensation packages includes base salary, bonus based on achieving your innovation goals and equity.
Health insurance
Retirement plans
Flexible work arrangements
Professional development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C++PythonProberATEFinal TestWafer SortCircuit ProbingETS-88ETS-364test methodologies

Soft Skills

communication proficiencyproblem-solvingcollaborationdocumentationanalytical skills