Sr. Principal Engineer, MEMS Development

About SiTime

SiTime is the Precision Timing company.

Timing is the heartbeat of all electronics, ensuring performance, resilience and scalability. For decades, quartz devices, non-silicon technology, have kept systems in sync, but they struggle in harsher, more demanding environments. MEMS-based Precision Timing delivers greater accuracy, smaller size and resilience. Today, MEMS timing powers over 400 applications, including high-growth ones in AI datacenters, automated driving, industrial and humanoid robots, wearables and IoT.

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 4 billion devices shipped, SiTime is changing the timing industry. For more information, visit: www.sitime.com.

Job Summary

Join the team that is revolutionizing the timing industry with the best Microelectromechanical Systems (MEMS) timing products in the world. As a Principal MEMS Development Engineer, you will use your technical and creative problem-solving skills to push forward MEMS technology and engineer resonators for SiTime’s next-generation timing products. 

Responsibilities:

• Define and lead the development of new MEMS technologies, enhance performance or manufacturability of existing devices, improve measurement or simulation infrastructure, both through team effort and personal technical contributions
• Lead definition and execution of challenging technical projects. 
• Advise management of challenges, impact, recommendations.
• Develop new or improved resonators, MEMS technologies and/or products.
• Contribute technical ideas for SiTime’s technical roadmap, by working with Marketing and Executive teams in defining next-generation products based on new technologies. 
• Interface with local and overseas vendors, establish new partnerships favorable to SiTime business
• Partner closely with Engineering, Operations, and Program Management to deliver scalable, predictable development execution.
• Adapt to evolving business needs and lead critical initiatives as required.

It is not necessary to meet all job requirements to be a qualified candidate for the position. 

Qualifications & Requirements:  

• Ph.D. in Mechanical Engineering, Electrical Engineering, Physics, or equivalent
• 10+ years of industry experience in MEMS or specialty sensor development; 15+ years is preferred. Experience with MEMS timing is strongly preferred.
• Demonstrated success leading and delivering complex MEMS development programs.
• Hands‑on technical credibility across MEMS design, fabrication, characterization, and modeling.
• Strong technical and business judgment with the ability to innovate, design experiments, and interpret complex data.
• Experience with finite element simulation tools (COMSOL, ANSYS) and data processing tools (Matlab, Python).
• Excellent interpersonal, organizational, and written and verbal communication skills
• Working knowledge of programing languages, circuits, metrology equipment, and methods
• Passion for execution excellence, ownership, delivering exceptional results

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.

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.

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. 

• Innovation on Top – Philosophies of Innovation with Rajesh Vashist
• Fabrication Knowledge – An Interview with Rajesh Vashist
• SiTime Corporation – YouTube