Principal Application Engineer-18815
Synopsys
Sunnyvale, CA · Posted September 15, 2026
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Where Sunnyvale, CA ranks
Where Sunnyvale, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for consumer and retail pay after cost of living$194k · of 11
- #3Best cities for data and analytics pay after cost of living$213k · of 28
- #4Best cities for pay after cost of living in California$192k · of 32
- #4Best all-round cities for AI careers95 / 100 · of 100
- #4Best all-round cities for AI careers in the West Coast88 / 100 · of 39
- #5Best cities for pay after cost of living in the West Coast$192k · of 39
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Synopsys has filed one layoff notice in the last twelve months, covering 128 workers, most recently August 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
We Are
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.
You Are:
You are an Application Engineer with strong expertise in VLSI design and hands-on experience with high-speed interface protocols such as Ethernet, DDR, and PCIe. You bring a solid background in design, verification, or application engineering, along with practical experience in simulation, synthesis, and static timing analysis. You are comfortable working across the ASIC/SoC flow, from IP integration through tape-out and into silicon and system bring-up.
You are a strong technical contributor who can work independently, solve complex problems, and collaborate effectively with customers and internal teams. You know how to bring clarity to technical challenges, support integration milestones, and help drive successful customer outcomes. You thrive in a UNIX environment, communicate clearly in English, and are comfortable supporting global customer engagements, including occasional travel.
This role may also be considered in Austin, TX or Mississauga, Canada
What You’ll Be Doing:
Supporting Interface IP customers with integration across the SoC design flow
Providing technical guidance to help resolve integration, implementation, and debug challenges
Assisting with technical reviews at key milestones and helping customers work through issues efficiently
Supporting silicon and system bring-up, including hands-on debug of critical issues
Partnering with R&D, product teams, and field teams to deliver solutions aligned to customer requirements
Staying current on evolving industry standards, protocol requirements, and application trends across key market segments
Supporting customer engagements through occasional travel, including on-site technical collaboration and bring-up activities
The Impact You Will Have:
Helping customers successfully integrate Synopsys Interface IP into complex SoC designs
Reducing technical obstacles by providing practical support across important design and bring-up stages
Strengthening customer confidence through responsive technical partnership and effective problem-solving
Contributing to successful product deployment across next-generation designs using advanced interface IP
Supporting Synopsys’ reputation as a trusted partner in engineering solutions from silicon to systems
What You’ll Need:
BSEE/BSCE or MSEE/MSCE with 10+ years of experience, or equivalent experience with a focus on VLSI design
Experience in design, verification, or application engineering
Proficiency in RTL coding using Verilog and/or VHDL
Experience with high-speed protocols such as Ethernet, DDR, and PCIe
Hands-on experience with simulation, synthesis, and static timing analysis
Familiarity with UNIX environments and ASIC/SoC tape-out processes
Knowledge of CDC, RDC, lint, DFT, STA, and LEC is a plus
Who You Are:
A strong technical problem solver with the ability to work independently on complex issues
Effective at collaborating across teams and building credibility with customers and engineering partners
Clear and confident in verbal and written communication
Comfortable managing multiple priorities in a dynamic, customer-facing environment
Open to occasional travel in support of customer engagements
The Team You’ll Be A Part Of:
This team works closely with Interface IP customers to support integration into complex SoC designs, solve critical technical issues, and enable successful silicon bring-up. As a Senior Staff Application Engineer, you would play an important role in helping customers navigate technical challenges while contributing to strong customer outcomes across a range of market segments.
Rewards and Benefits:
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.
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