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Open nowFirst seen 2 days ago

Sr Principal Engineer, Application Engineering & System Design

Fox Point Recruitment LLC297 open roles

Where
Santa Clara, California, United States
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Your applicationOpen nowSr Principal Engineer, Application Engineering & System DesignFox Point Recruitment LLC · Santa Clara, California, United States

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Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: first seen 2 days ago

The posting

Job Title:Senior Principal Engineer, Hardware Application Engineering — Board & System Design

Location: Santa Clara, CA (Onsite — 5 days/week)

Department: Engineering / Architecture

Group: Customer Solutions Group

Position Type: Full-Time (New Position)

Base Compensation: USD $200,000 – $266,400 / year (No variable compensation/bonus flexibility)

Relocation Assistance: Available

Visa Sponsorship: Available

About the Team & Role

Our Customer Solutions Group is the frontline technical partner to the world’s most demanding infrastructure customers—megascale data centers, cloud providers, and AI system builders. We turn cutting-edge silicon into deployable platforms by working shoulder-to-shoulder with customer engineering teams from early architecture through production ramp.

As Senior Principal Engineer for Board & System Hardware Design, you will serve as the senior technical authority guiding customer hardware design-in on proprietary Ethernet Switch and UALink platforms. You will act as the crucial technical bridge between internal silicon teams, hardware engineering, and field operations.

This is a deep individual contributor role with a strong system-design and productization focus. Your primary mission is to ensure that customers’ next-generation switches, AI fabric platforms, and networking systems are designed right the first time—performant, manufacturable, reliable, and ready for high-volume production.

Key Responsibilities

Technical Leadership & Customer Enablement

System Architecture & Hardware Design Guidance

  • Drive PCB stack-up strategy and material selection (low-loss laminates, copper roughness, glass weave, via construction) to meet high-speed performance and cost targets.
  • Guide customers on power delivery architecture, including PDN design, multi-rail sequencing, decoupling strategy, and tolerance analysis for high-current ASICs.
  • Advise on thermal design, mechanical integration, and cooling strategies (air, liquid, immersion) to meet performance and reliability targets in real deployments.
  • Provide guidance on signal and power integrity (SI/PI), reviewing customer simulations and contributing simulations directly when required.
  • Drive Design for Reliability, Manufacturability, and Testability (DFx)—ensuring smooth transitions to production at ODM/CM partners.

Next-Gen Tech & Cross-Functional Influence

  • Provide technical leadership on 112G and 224G PAM4 SerDes designs today, and help shape the hardware approach for next-generation 448G systems and open AI fabric standards.
  • Lead hardware bring-up support, root-cause debug, and issue resolution during customer lab phases and early production.
  • Act as a vital field-feedback channel to internal silicon and hardware teams—influencing silicon I/O, package, power, and reference design choices based on real-world customer deployment learnings.

Candidate Profile & Qualifications

Must-Have Requirements

  • Education: Bachelor’s, Master’s, or PhD in Electrical Engineering, Computer Engineering, or a related field.
  • Overall Experience: 15+ years in hardware design, development, and validation of high-speed networking or compute systems.
  • SerDes Expertise: 7+ years of dedicated experience in board and system design for high-speed platforms involving modern SerDes (25G NRZ through 112G/224G PAM4).
  • Board Lifecycle: Proven full-lifecycle ownership of complex high-speed boards (architecture, schematic, layout guidance, bring-up).
  • Reference Designs: Demonstrated experience defining and delivering reference designs that enabled customer or internal platform adoption.
  • Technical Depth:Strong expertise in high-layer-count PCB stack-up design and material selection. Deep experience with power architecture for high-current ASICs (PDN design, sequencing, decoupling, tolerance analysis). Solid background in thermal design and mechanical integration for high-power network/AI systems. Working knowledge of SI/PI principles (ability to review and run targeted simulations). Hands-on lab experience with hardware bring-up, debugging, and root-cause analysis using industry-standard equipment. Deep understanding of high-speed interfaces: Ethernet, PCIe, DDR, advanced SerDes, and modern power delivery.
  • Soft Skills & Leadership:Proven customer-facing experience supporting complex technical engagements. Ability to develop and deliver technical training to engineering audiences. Exceptional communication skills with a track record of influencing senior customer engineering teams across geographies.

Preferred Qualifications

  • Direct experience with Ethernet switch platforms (any tier) and/or emerging open AI fabric standards.
  • Experience designing or reviewing hardware platforms targeting megascale data center deployments.
  • Background in reference platform design and customer enablement for silicon-based solutions.
  • Familiarity with ODM/CM manufacturing flows, including DFM/DFT, qualification, and reliability testing.
  • Experience with advanced cooling approaches (liquid, immersion) for high-power AI/networking platforms.
  • Fluency with EDA tools in either Cadence (Allegro/Sigrity) or Mentor/Siemens (Xpedition/HyperLynx) ecosystems (tool-agnostic experts are welcome).
  • Track record of influencing silicon and platform roadmaps based on field insights.

Leadership, Impact & Work Environment

  • Leadership & Mentorship: Set the technical bar for board and system design quality across the most strategic customer engagements; mentor engineers and raise collective team expertise.
  • Travel: Project-driven travel to customer sites, ODMs, and labs as needed (not continuous).
  • Serve as the primary senior technical advisor to customer hardware teams designing platforms around company Ethernet switches and UALink silicon from early architecture through production ramp.
  • Lead design-in reviews of customer schematics, PCB stack-ups, and overall system architectures, identifying risks early and guiding customers to best-in-class implementations.
  • Define, develop, and support reference designs for new silicon—partnering with silicon, packaging, and internal hardware engineering teams from early product definition through customer release.
  • Own architecture, schematic, layout guidance, and bring-up of company reference and evaluation platforms, applying full lifecycle hands-on expertise.
  • Develop and deliver high-impact technical training to customers and internal teams covering proprietary silicon, reference designs, high-speed design best practices, and productization methodologies.
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