Senior Signal Integrity Engineer - High-Speed Interconnects

Amphenol Communications Solutions; Nashua (NH); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Career growth opportunities

Job summary

Amphenol Communications Solutions in Nashua, NH seeks a Senior Signal Integrity Engineer to design, simulate, validate, and optimize Active Electrical Cables and high-speed modules for 800G/1.6T applications. You will drive SI analyses from concept through production, interfacing with DSPs/retimers and supplier teams.

The role requires deep expertise in high-speed channels, SerDes, PCB design, and channel modeling, with collaboration across cross-functional teams to meet performance targets and

Qualifications

• BS/MS/PhD in Electrical Engineering or related field.
• 5+ years of experience in high-speed signal integrity engineering.
• Strong understanding of high-speed serial interfaces and networking systems.
• Experience with 56G, 112G, and preferably 224G PAM4 technologies.
• Experience developing products using DSPs and retimers.
• Experience with active copper cables AEC, DACs, ACCs.
• Strong understanding of PCB design, stack-ups, via optimization, and transmission line theory.
• Experience with S-parameter analysis and channel modeling.

Responsibilities

• Develop channel architectures for high-speed copper and optical interconnect products.
• Perform pre-layout and post-layout SI simulations for channels operating at 224G PAM4 and beyond.
• Analyze insertion loss, return loss, crosstalk, impedance discontinuities, and channel compliance.
• Optimize PCB stack-ups, via structures, connector interfaces, cable constructions, and package transitions.
• Develop channel budgets and link performance models.

Skills

High-speed SI

DSP/Retimers

SerDes

PCB design

S-parameter analysis

Channel modeling

Education

BS/MS/PhD in Electrical Engineering

Tools

Ansys HFSS

COM

Job description

Amphenol Communications Solutions in Nashua, NH seeks a Senior Signal Integrity Engineer to design, simulate, validate, and optimize Active Electrical Cables and high-speed modules for 800G/1.6T applications. You will drive SI analyses from concept through production, interfacing with DSPs/retimers and supplier teams.

The role requires deep expertise in high-speed channels, SerDes, PCB design, and channel modeling, with collaboration across cross-functional teams to meet performance targets and