Sr. Principal SI/PI Engineer

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology. Sr. Principal SI/PI EngineerThis is a unique opportunity to join the HPP IP R&D Group at Cadence Design Systems. We are looking for a Sr Principal SI/PI Engineer who will be a key contributor to our advanced high speed IP products. This is a hands-on technical position.Main Job Tasks and Responsibilities:u2022 Work on test chip package design SI/PI optimization and verification.u2022 Work on evaluation board design optimization for best SI/PI performance.u2022 Provide extracted and measured channel models for chip designers in the R&D team.u2022 Help with package and PCB SI/PI design guidelines and customer support on SI/PI related inquiries.u2022 Review customer package and board designs and simulation results. Help with providing feedback to customers to ensure best possible performance of our IP in their ASIC.u2022 Work on link performance simulations using S-parameter channel models and IBIS-AMI behavioral models.u2022 Help with SI/PI related debug of test chips or customer ASICs in the lab.Position Requirements:u2022 M.S. or Ph.D. Electrical Engineering (or similar degree)u2022 3+ years of experience preferably working with high speed SerDes and PHYsu2022 Good understanding of high speed SerDes architectureu2022 Hands on lab experience with instruments like high speed oscilloscopes, TDRs, VNAs, spectrum analyzers, etc.u2022 Fluent with using 3D and 2.5D extraction tools like Sigrity Clarity/PowerSI or Ansys HFSS/SIwaveu2022 Experience with IBIS-AMI model simulationsu2022 Experience with simulation result to lab measurement correlationu2022 Good understanding of PCB and FCBGA design rules and requirementsu2022 Strong debugging and problem-solving skillsu2022 Excellent communication and presentation skills to effectively communicate with both customers and internal stake holders The annual salary range for California is $154,000 to $286,000. You may also be eligible to receive incentive compensation: bonus, equity, and benefits. Sales positions generally offer a competitive On Target Earnings (OTE) incentive compensation structure. Please note that the salary range is a guideline and compensation may vary based on factors such as qualifications, skill level, competencies and work location. Our benefits programs include: paid vacation and paid holidays, 401(k) plan with employer match, employee stock purchase plan, a variety of medical, dental and vision plan options, and more. Weu2019re doing work that matters. Help us solve what others canu2019t. Additional Jobs ( Equal Employment Opportunity Policy: Cadence is committed to equal employment opportunity throughout all levels of the organization. + Read the policy(opens in a new tab) ( We welcome your interest in the company and want to make sure our job site is accessible to all. If you experience difficulty using this site or to request a reasonable accommodation, please contact . Privacy Policy: Job Applicant If you are a job seeker creating a profile using our careers website, please see the privacy policy(opens in a new tab) (. E-Verify Cadence participates in the E-Verify program in certain U.S. locations as required by law. Download More Information on E-Verify (64K) ( Cadence plays a critical role in creating the technologies that modern life depends on. We are a global electronic design automation company, providing software, hardware, and intellectual property to design advanced semiconductor chips that enable our customers create revolutionary products and experiences. Thanks to the outstanding caliber of the Cadence team and the empowering culture that we have cultivated for over 25 years, Cadence continues to be recognized by Fortune Magazine as one of the 100 Best Companies to Work For. u2028 Our shared passion for solving the worldu2019s toughest technical challenges, our dedication to pushing the limits of the industry, and our drive to do meaningful work differentiates the people of Cadence. Cadence is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, basis of disability, or any other protected class. Cadence is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, basis of disability, or any other protected class.

Created: 2026-04-13