Principal Hardware SI/PI Architect

SiTime Corp.; Santa Clara (CA); On-site; USD 148,000 - 204,000; Full time

Benefits offered by this job

Quarterly bonus

Equity grants

401k plan

Job summary

SiTime Corp. is seeking a Principal Hardware Signal Integrity/Power Integrity Architect to lead system-level electrical design and establish SI/PI simulation methodologies for MEMS timing products.

You will collaborate across cross-functional teams to simulate and engineer complex platforms with robust electrical integrity and reliability. The role requires a Master’s in Electrical/Computer Engineering, 10+ years in hardware design, and strong expertise in SI/PI, PCB design, and high-speed

Qualifications

• Master’s degree in Electrical Engineering, Computer Engineering, or related field.
• 10+ years in hardware system design with SI/PI
• Experience with PCB design tools (Altium/Allegro/APD) and PCB reviews
• Knowledge of high-speed interfaces (DDR, PCIe, USB)
• Ability to extract S-parameters or lumped models and convert to SPICE models
• Familiarity with MIPI, I2C, SPI, UART
• Impedance-controlled board design and manufacturing
• Laboratory measurement skills: oscilloscope, VNA, TDR

Responsibilities

• Lead SI design initiatives for system platforms
• Establish SI/PI methodologies across hardware platforms and environments
• Identify new technologies to improve SI/PI performance
• Perform detailed analysis, simulations, experiments, and verification
• Collaborate with circuit, packaging, and board design teams to define reliable components
• Ensure high-quality hardware through root-cause analysis and problem solving

Skills

Signal integrity

PCB design

High-speed interfaces

S-parameters modeling

Simulation/analysis

Laboratory measurements

Education

Master’s degree in Electrical/Computer Engineering

Tools

Altium

Allegro

APD

Job description

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

The Principal Hardware Signal Integrity/Power Integrity Architect is accountable for system-level electrical design and for establishing signal and power integrity simulation methodologies that underpin the development of hardware platforms used for validation, testing, and high-volume production of MEMS timing products. This role leverages advanced expertise in signal integrity and PCB design to deliver solutions that ensure optimal system performance. Responsibilities include collaborating closely with cross-functional teams to simulate and engineer complex platforms with robust electrical integrity. Furthermore, the role encompasses activities aimed at assuring product quality and reliability through comprehensive testing processes

Responsibilities

• Lead signal integrity (SI) design initiatives for system platforms supporting advanced SiTime timing products across diverse business units and applications
• Establish comprehensive methodologies for both signal and power integrity across a variety of hardware platforms, including validation environments, probing stations, load boards, and production test systems
• Identify, assess, and integrate new technologies, components, and techniques to enhance overall signal and power integrity performance
• Deliver robust and cost-effective signal integrity solutions by conducting detailed analysis, simulations, experimental design, and verification utilizing advanced tools and methodologies
• Collaborate closely with circuit design, packaging, board design, and product teams to define reliable system components at all levels, including package, sockets, connectors, and board architecture
• Ensure the delivery of high-quality, first-pass-success hardware infrastructure through expert root cause analysis and resolution, with an emphasis on addressing signal and power integrity challenges

Qualifications & Requirements (Education Must Be Included)

• Master’s degree in Electrical Engineering, Computer Engineering, or related field
• Over 10 years of expertise in hardware system design, including comprehensive signal integrity analysis and optimization. Leadership role is a plus
• Demonstrated proficiency in PCB design tools such as Altium, Allegro, and APD, with a strong capability for conducting thorough PCB reviews
• In-depth knowledge of server technologies, including:
• Signal and power integrity design and optimization methodologies
• Thermal management strategies
• Mechanical considerations relevant to PCB and overall system design
• Experience in high-speed interface design, e.g., DDR, PCIe, USB, and similar protocols
• Strong background in transmission line and electromagnetic field theory, with expertise in time and frequency domain analysis
• Skilled in extracting S-parameters or lumped models from packages and PCBs, converting them to Spice/behavioral circuit models, and evaluating performance through simulation
• Experienced with MIPI, I2C, SPI, and UART interfaces
• Proficient in impedance-controlled board design and manufacturing
• Conduct laboratory measurements using oscilloscope, phase noise analyzer, VNA, and TDR

Desired Characteristics & Attributes

• Demonstrates a strong sense of self-motivation and a commitment to achieving meaningful results
• Exhibits the ability and enthusiasm to contribute effectively within a collaborative, fast-paced team environment
• Exceptional communication, interpersonal, critical thinking, and problem-solving abilities
• Proven capability to perform effectively under pressure while meeting stringent deadlines
• Willingness and ability to adopt a hands‑on approach when necessary, engaging with technical details to resolve issues and guide the team

Compensation

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

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

Pay Range

$148,320—$203,840 USD