About SiTime

SiTime Corporation is the precision timing company. Our semiconductor MEMS programmable solutions offer a rich feature set that enables customers to differentiate their products with higher performance, smaller size, lower power and better reliability. With more than 3 billion devices shipped, SiTime is changing the timing industry. For more information, visit www.sitime.com.

Job Summary

As a Senior Sustaining Test Engineer, you are expected to do test data analysis, provide testing related dispositions on Manufacturing/Production abnormalities in Final Test and Circuit/Wafer Probing.
You will drive qualification and buy-off for test hardware and tooling, product, test program and system to be deployed for mass production.
You will take project initiatives on test improvements, test program revision updates and releases.
Perform test engineering experiments and studies on test hardware and tooling, products, ATE and test program.
You will be responsible for Test Process implementation to ensure testing SOPs are strictly followed.
You will document test process SOPs and revise the current practices if improvements are needed.
You will provide expertise on knowledge of SiTime products, test HW and test programs to OSAT.
It is not necessary to meet all job requirements to be a qualified candidate for the position.

Responsibilities:

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.

Qualifications & Requirements :

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.
Open to local candidates and foreigners with permanent residency status.

Desired Characteristics & Attributes:

Team Player.
Resilient and has a strong motivation to grow professionally.
Fast Learner and Independent.
Highly motivated.

At SiTime, we believe great work deserves great rewards. We offer a comprehensive and highly competitive compensation package designed to attract top talent.

In addition to base salary, this role is eligible for a quarterly bonus tied to the achievement of innovation goals—reflecting our commitment to recognizing meaningful impact. We also offer equity grants, providing a meaningful opportunity to share in the company’s future growth and success.

SiTime is an Equal Opportunity Employer. We treat each person fairly and we do not tolerate discrimination or harassment against anyone on the basis of any protected characteristics, including race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, pregnancy, political affiliation, protected veteran status, protected genetic information, or marital status or other characteristics protected by law. SiTime participates in the E-Verify program.

Learn More about SiTime: Review the Get to Know SiTime section of our career page to explore our culture, values, and what makes us unique.

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