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

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: o

DDR4/DDR

memory subsystems o PCIe Gen3/Gen4 interfaces o QSFP (10G/25G/40G/100G) links o 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: o High-speed ADC/DAC signal chains o Data Converter Architectures (DCA) o 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: o DDR training o PCIe and SerDes link-up o ADC performance validation
• Debug issues related to: o Signal integrity Public o Jitter and noise o 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: Public o Signal Integrity (SI) o Power Integrity (PI) o High-speed timing and jitter analysis Preferred Qualifications
• Hands-on experience with FPGA platforms (Intel / Xilinx)
• Experience with: o High-speed data converters o Optical interfaces / QSFP modules o JESD204 or similar high-speed data links
• Strong PCB design experience with high-speed constraints
• Experience with tools such as: o Xpedition (Mentor / Siemens) o 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