High-Speed Interconnect Hardware Engineer (AEC)

Amphenol ICC; Nashua (NH); On-site; USD 120,000 - 180,000; Full time

Job summary

Amphenol Communications Solutions (ACS) in Nashua, NH is seeking an experienced Hardware Engineer to support the design, modeling, simulation, and validation of next-generation High-Speed I/O cable products, focusing on Active Electrical Cable solutions for AI, hyperscale data centers, and 400G+ links.

You will use advanced simulation to optimize cables, connectors, PCB transitions, and active equalization, collaborating with cross-functional teams from product development through manufacturing.

Qualifications

• BS or MS in Electrical Engineering required.
• 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.
• Experience with S-parameter generation, analysis, and model correlation.

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.
• Perform 2D and 3D electromagnetic modeling of cable and connector structures.
• Develop S-parameter models and behavioral models for system-level analysis.
• Support model extraction, correlation, and optimization activities.
• Conduct studies to improve channel performance, signal integrity, and overall link margin.
• Collaborate with cable design, connector design, ASIC, firmware, mechanical, and manufacturing teams.
• Drive simulation-based design decisions throughout product development.
• Evaluate new materials, cable constructions, connector technologies, and architecture concepts.
• Support product definition and development of next-generation AEC solutions.
• Correlate simulation results with laboratory measurements and characterization data.
• Analyze VNA, TDR, oscilloscope, and BER test results.
• Investigate and troubleshoot channel performance issues.
• Support compliance testing and customer qualification efforts.
• Participate in design reviews and provide technical guidance on channel architecture and performance.
• Present simulation results and design recommendations to internal and external stakeholders.
• 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

S-parameter generation/analysis

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 (ACS) in Nashua, NH is seeking an experienced Hardware Engineer to support the design, modeling, simulation, and validation of next-generation High-Speed I/O cable products, focusing on Active Electrical Cable solutions for AI, hyperscale data centers, and 400G+ links.

You will use advanced simulation to optimize cables, connectors, PCB transitions, and active equalization, collaborating with cross-functional teams from product development through manufacturing.