Senior Hardware Engineer – High-Speed I/O & AEC

Amphenol Corporation; Nashua (NH); On-site; USD 110,000 - 170,000; Full time

Job summary

Amphenol Communications Solutions in Nashua, NH is seeking an experienced Hardware Engineer to design, simulate, and validate next-generation HSIO cable products and AEC solutions for 400G+ applications. You will work with cross-functional teams to optimize cable, connector, PCB, and active equalization designs, leveraging advanced modeling and lab measurements.

The role emphasizes leadership in simulation methodologies and delivering robust interconnect solutions.

Qualifications

• BS or MS in Electrical Engineering.
• 5+ years of experience in high-speed interconnect, cable, connector, or signal integrity development.
• Strong understanding of: Signal Integrity, Transmission Line Theory, Electromagnetic Field Theory, High-Speed Serial Interfaces, PAM4 Signaling.
• Experience with channel simulation and system-level analysis.
• Proficiency with Ansys HFSS, Ansys SIwave, CST Studio Suite, Keysight ADS, Cadence Sigrity.
• Experience with S-parameter generation, analysis, and model correlation.
• Ability to analyze and optimize high-speed channels operating at 56G, 112G, and beyond.

Responsibilities

• Develop electrical architectures for next-generation High-Speed I/O cable products and AEC solutions.
• Perform channel simulations and system-level modeling of complete high-speed links.
• Create and maintain electrical models for cables, connectors, PCB transitions, and active components.
• Analyze insertion loss, return loss, crosstalk, skew, impedance discontinuities, jitter, and equalization performance.
• Simulate end-to-end channels to support 112G PAM4 and emerging 224G technologies.
• Generate design recommendations based on simulation results and channel compliance requirements.
• Collaborate with cable design, connector design, ASIC, firmware, mechanical, and manufacturing teams.
• Develop design guidelines, simulation methodologies, and best practices for HSIO cable development.

Skills

Signal Integrity

Transmission Line Theory

Electromagnetic Field Theory

High-Speed Serial Interfaces

PAM4 Signaling

Channel simulation

Education

BS or MS in Electrical Engineering

Tools

Ansys HFSS

Ansys SIwave

CST Studio Suite

Keysight ADS

Cadence Sigrity

Job description

Amphenol Communications Solutions in Nashua, NH is seeking an experienced Hardware Engineer to design, simulate, and validate next-generation HSIO cable products and AEC solutions for 400G+ applications. You will work with cross-functional teams to optimize cable, connector, PCB, and active equalization designs, leveraging advanced modeling and lab measurements.

The role emphasizes leadership in simulation methodologies and delivering robust interconnect solutions.