About the Position

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About the Role

Principle Applications Engineer, 3DIC SI PI

Sunnyvale, California, United States

Category: Engineering

Job ID: 19033

Base Salary Range: $184,000 - $276,000

Date posted: 10/20/2026

About Synopsys

Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI-powered products. We deliver industry-leading silicon design, IP, simulation and analysis solutions, and design services. We partner closely with our customers across a wide range of industries to maximize their R&D capability and productivity, powering innovation today that ignites the ingenuity of tomorrow.

Responsibilities

Engage directly with new and existing customers to understand their signal integrity, power integrity, and advanced packaging challenges, then demonstrate how Synopsys tools solve them in their specific design context
Run multi-physics simulations using HFSS, SIwave, Q3D, Ansys, or similar tools to validate product performance and guide customer evaluations
Provide technical support and troubleshooting for customers working on 3D IC and advanced packaging designs, helping them set up models, interpret results, and optimize workflows
Collaborate with product management and R&D teams to feed customer insights back into the roadmap and help prioritize feature development
Travel to customer sites to conduct onsite evaluations, training sessions, and technical reviews, roughly 25% of the time
Build and deliver technical presentations, application notes, and proof-of-concept demos that show measurable value in real customer scenarios
Stay current on signal integrity, power integrity, and thermal analysis trends in advanced packaging and communicate those insights internally and externally

Requirements

Minimum 2 years of hands-on experience in 3D IC and advanced packaging design or analysis
Proficiency with at least one of the following: HFSS, SIwave, Q3D, or Ansys with the ability to set up, run, and interpret multi-physics simulations
Strong working knowledge of signal integrity and power integrity principles, including transmission line effects, crosstalk, PDN analysis, and resonance
Demonstrated ability to work directly with customers, whether in evaluations, support, or training contexts
Willingness and ability to travel to customer sites approximately 25% of the time
Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, or a related field
Experience with thermal or electrothermal analysis is a plus and will broaden the range of problems you can help customers solve

Nice to Have

Experience with 3D IC design
Knowledge of thermal analysis

The Impact You Will Have

Directly influence whether customers adopt Synopsys tools by showing them how to solve problems they could not solve before
Help customers catch design issues earlier, reducing costly respins and time to market
Shape product priorities and feature development, making the tools better for the next customer
Expand Synopsys footprint in advanced packaging by proving value in 3D IC, chiplet, and heterogeneous integration designs
Build long-term customer relationships that lead to broader tool adoption and renewals
Help customers navigate complex tradeoffs in signal integrity, power delivery, and thermal management, enabling them to ship more reliable products
The evaluations and demos you run will become case studies and reference designs that accelerate adoption across other accounts

We Offer

We offer a comprehensive range of health, wellness, and financial benefits to cater to your needs. Our total rewards include both monetary and non-monetary offerings. Your recruiter will provide more details about the salary range and benefits during the hiring process.

At Synopsys, we want talented people of every background to feel valued and supported to do their best work. Synopsys considers all applicants for employment without regard to race, color, religion, national origin, gender, sexual orientation, age, military veteran status, or disability.

In addition to the base salary, this role may be eligible for an annual bonus, equity, and other discretionary bonuses. Synopsys offers comprehensive health, wellness, and financial benefits as part of a competitive total rewards package. The actual compensation offered will be based on a number of job-related factors, including location, skills, experience, and education. Your recruiter can share more specific details on the total rewards package upon request. The base salary range for this role is across the U.S.

About the Team

Your recruiter will share more about the team structure and mission during the interview process.

Principle Applications Engineer, 3DIC SI PI

Job description