Senior Electrical Engineer (FPGA / High-Speed / Mixed-Signal)

Zealogics.com

  • San Jose CA, CA
  • 30+ days ago

    Highlights

    Ensure power integrity for sensitive ADC and high-speed SerDes subsystems. Define FPGA-centric system architectures for high-throughput data processing platforms.

    Numbers & Facts

    LocationSan Jose CA, CA
    Websitehttp://www.zealogics.com

    Description


    Key Responsibilities
    1. FPGA-Based System Architecture

    Define FPGA-centric system architectures for high-throughput data processing platforms

    Partition functionality across FPGA, ADC/DAC, and host interfaces

    Collaborate with FPGA/FW teams on interface definition, timing, and performance
    2. High-Speed Digital & SerDes Design

    Design and integrate high-speed interfaces including:
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    DDR4/DDR memory subsystems
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    PCIe Gen3/Gen4 interfaces
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    QSFP (10G/25G/40G/100G) links
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    10G+ SerDes channels

    Define routing constraints, stack-up, and impedance control

    Ensure signal integrity, timing closure, and link stability
    Public
    3. Mixed-Signal & Analog Front-End Design

    Design and integrate:
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    High-speed ADC/DAC signal chains
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    Data Converter Architectures (DCA)
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    Precision analog front-end (AFE) circuits

    Develop circuits using low-noise OpAmps, filters, and gain stages

    Optimize performance metrics such as SNR, ENOB, bandwidth, and jitter sensitivity
    4. Power System Design

    Design multi-rail DC/DC power systems for FPGA and high-speed circuits

    Manage power sequencing, noise, ripple, and efficiency

    Ensure power integrity for sensitive ADC and high-speed SerDes subsystems
    5. Hardware Design & PCB Implementation

    Own schematic design and hardware architecture (Xpedition preferred)

    Guide PCB layout for high-layer-count, high-speed boards

    Lead design reviews focusing on SI/PI/EMI risks

    Ensure manufacturability (DFM) and testability (DFT)
    6. System Bring-up & Debug

    Lead board bring-up and system integration:
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    DDR training
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    PCIe and SerDes link-up
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    ADC performance validation

    Debug issues related to:
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    Signal integrity
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    Jitter and noise
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    Power coupling and system interaction

    Use lab tools such as oscilloscopes, TDR/VNA, and protocol analyzers
    7. Cross-Functional Collaboration

    Work closely with FPGA, firmware, software, mechanical, and system engineering teams

    Align electrical design with system-level performance requirements

    Drive cross-domain trade-offs
    8. Technical Leadership

    Lead architectural decisions and technical reviews

    Mentor junior engineers in high-speed and mixed-signal design

    Drive structured problem-solving across complex systems
    Required Qualifications

    Bachelor’s or Master’s degree in Electrical Engineering or related field

    8–12+ years of experience in high-speed, FPGA, or mixed-signal systems
    Core Technical Requirements

    FPGA-based system design experience

    DDR4 memory subsystem design experience

    PCIe / SerDes / high-speed link experience

    ADC and analog front-end design experience

    DC/DC power system design experience
    Fundamentals

    Strong understanding of:
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    Signal Integrity (SI)
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    Power Integrity (PI)
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    High-speed timing and jitter analysis
    Preferred Qualifications

    Hands-on experience with FPGA platforms (Intel / Xilinx)

    Experience with:
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    High-speed data converters
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    Optical interfaces / QSFP modules
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    JESD204 or similar high-speed data links

    Strong PCB design experience with high-speed constraints

    Experience with tools such as:
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    Xpedition (Mentor / Siemens)
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    SI/PI analysis tools
    Strong Plus

    Experience in semiconductor equipment, imaging, or instrumentation systems

    Experience with multi-board or modular systems

    Understanding of signal-power-thermal coupling effects

    Full product lifecycle experience (R&D → NPI → production)
    Soft Skills

    Strong ownership mindset and accountability

    Ability to solve complex multi-domain engineering problems

    Excellent communication and cross-functional collaboration skills

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