Lead signal and power integrity architecture for advanced robotaxi electronics and high-density PCBs. Define SI/PI constraints, routing strategies, simulation methodologies, and sign-off processes for PCIe, Ethernet, MIPI, GMSL, LPDDR, and A2B interfaces. Perform PDN analysis, lab characterization, root-cause investigations, and simulation-to-test correlation. Guide cross-functional hardware, silicon, layout, and mechanical teams while mentoring engineers and influencing technical strategy.
We are seeking a highly skilled and visionary Staff Signal and Power Integrity (SI/PI) Engineer to join our advanced hardware engineering team. In this role, you will be the definitive technical expert responsible for ensuring the signal quality, timing, and power delivery robustness of our most complex, next-generation robotaxi electronic systems. As a technical pillar within the organization, you will define overarching SI/PI architectures, establish company-wide simulation methodologies, guide electrical design and layout teams, and own the end-to-end sign-off for cutting-edge high-speed interfaces.
In This Role, You Will
- Lead the SI/PI architecture and define constraints for next-generation, high-complexity, high-density printed circuit boards (PCBs) and overall system design.
- Collaborate at an architectural level with hardware design, silicon vendors, PCB layout, and mechanical engineering teams to define layer stack-ups, routing strategies, component placement, and power delivery architectures.
- Analyze, optimize, and sign off on advanced high-speed serial links (PCIe, Ethernet, MIPI, GMSL) and memory interfaces (LPDDR).
- Provide expert-level design guidance and validation for automotive-specific communication and audio protocols (A2B).
- Architect and conduct comprehensive Power Delivery Network (PDN) analysis, including DC IR drop, AC impedance modeling, and transient response analysis to ensure stable power delivery across complex multi-board systems.
- Drive the development of advanced SI/PI routing rules, simulation methodologies, automation scripts, and sign-off processes for the hardware engineering department.
- Tackle the most complex, unprecedented signal and power integrity challenges, performing hands-on root-cause analysis, lab measurements, and correlating simulation models with real-world testing.
- Act as a technical mentor and subject matter expert, elevating the SI/PI capabilities of the entire hardware organization and guiding junior to senior engineers.
Qualifications
- Bachelor’s, Master’s, or Ph.D. in Electrical Engineering, Computer Engineering, Physics, or a closely related technical field.
- 10+ years of proven industry experience in signal and power integrity analysis for complex high-speed digital designs.
- Extensive, proven track record designing, simulating, and troubleshooting high-speed interfaces, specifically PCIe, multi-gigabit Ethernet, MIPI (CSI/DSI), and GMSL, through multiple successful product lifecycles.
- Deep expertise in memory interface design and simulation, with a strong focus on advanced LPDDR technologies.
- Familiarity with automotive audio and sensor bus protocols, such as A2B.
- Advanced proficiency with industry-standard 2D/3D electromagnetic extraction and SI/PI simulation tools (e.g., Ansys HFSS/SIwave, Keysight ADS, Cadence Sigrity, or Siemens EDA/HyperLynx).
- Mastery of electromagnetics, transmission line theory, cross-talk, jitter, and advanced PDN design principles.
- Expert-level hands-on experience with high-speed lab characterization equipment, including Vector Network Analyzers (VNAs), Time-Domain Reflectometers (TDRs), and high-bandwidth oscilloscopes.
Bonus Qualifications
- Direct experience in the automotive industry, particularly developing hardware for advanced driver-assistance systems (ADAS) or autonomous vehicles.
- Deep understanding of automotive reliability standards, compliance requirements, and designing for harsh environmental operating conditions.
- Extensive experience with high-layer-count HDI (High-Density Interconnect) PCB design, advanced packaging, and pushing the boundaries of modern fabrication capabilities.
- Proven ability to influence technical strategy, drive cross-functional alignment, and clearly communicate complex technical trade-offs to executive and non-SI/PI stakeholders.
Zoox Foster City, California, USA Office
4000 E 3rd Ave, Foster City, CA, United States, 94404
Zoox Foster City, California, USA Office
1149 Chess Drive, Foster City, CA, United States, 94404
Zoox Fremont, California, USA Office
47540 Kato Road, Fremont, CA, United States, 94538
Zoox San Francisco, California, USA Office
60 Broadway St, San Francisco, CA, United States, 94111
Similar Jobs
Information Technology • Software
Source and engage exceptional engineering candidates across systems and product engineering. Build talent pools, research technical talent through papers, blogs, open-source work, and conferences, and craft compelling outreach. Track sourcing and hiring-funnel data to identify opportunities and challenges. The role requires strong technical understanding, knowledge of engineering talent markets, modern sourcing tools, scalable AI workflows, autonomy, and a high bar for quality.
Top Skills:
Ai WorkflowsCephFirecrackerGithub Actions
Artificial Intelligence • Fintech • Software
Lead a highly technical backend engineering team building scalable SaaS systems and AI-powered accounting automation. Responsibilities include mentoring senior engineers and tech leads, resolving complex technical issues, guiding architecture and system design, reviewing code, operating distributed production systems, and driving AI-assisted software development using tools such as Cursor and Claude Code.
Top Skills:
Ai AgentsAPIsClaudeClaude CodeCursorDistributed SystemsLlmsSaas PlatformsScalable Data Pipelines
Cloud • Information Technology • Productivity • Security • Software • App development • Automation
Leads application and software engineering teams supporting Oracle Fusion Cloud and core Finance SaaS applications. Oversees finance transformations, integrations, automation, architecture, reliability, quarterly Fusion upgrades, and company-wide initiatives. Partners with Finance and Engineering stakeholders, drives metrics and OKRs, maintains SOX compliance, leads code reviews and complex problem resolution, and advances AI/ML and continuous improvement across critical financial systems.
Top Skills:
Ai/MlAnaplanAvalaraBreCamundaCoupaDatabricksFieldglassLow-Code/No-Code ToolsOracle Fusion CloudPaasRpaSalesforceWorkatoZuora
What you need to know about the San Francisco Tech Scene
San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine
