Principal Engineer, Package Design

Work with OSATs to prototype and test new custom package designs

Ensure new technologies achieve required performance, reliability, and quality requirements

Lead troubleshooting activities related to package design or performance

Qualifications & Requirements:

M.S or PhD. Degree in Mechanical Engineering, Material Science, or other relevant field

10+ years’ experience in semiconductor IC packaging technology and methodology

Experience managing overseas OSATs to bring products into production

Knowledge of leadframe-based, flip-chip, and substrate-based packages

Experience with flip-chip and bumping technologies

Understanding of thermal, stress, and electrical considerations in package design

Hands-on experience with CAD software (AutoCAD preferred but not required)

The desire to work in a fast-paced, challenging, and risk-taking environment

Desired Characteristics & Attributes:

Understanding of thermal, mechanical, and electrical modeling for semiconductor packages

Understanding of material characterization techniques (DMA, TMA, TGA, etc.)

Compensation Range:

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

The annual base salary range for this role is $ 164,800 - $226,600 . The final offer is determined by factors such as location, experience, education, and training.

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.

Benefits offered : 401k plan, health and wellness that includes medical, dental, vision, life, parental leave, legal services, and time off plans.

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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Fabrication Knowledge – An Interview with Rajesh Vashist

SiTime Corporation – YouTube

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