Senior SI Engineer, Optical Transceivers & LPO Modules

Amphenol Corporation; Nashua (NH); On-site; USD 140,000 - 190,000; Full time

Job summary

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, seeks a Senior Signal Integrity Engineer for Optical Transceivers & LPO Modules in Nashua, NH. Lead electrical design, simulation, validation, and optimization for 800G/1.6T applications and advanced high-speed interconnects.

The role requires deep expertise in high-speed serial channels, DSPs, retimers, SerDes, PCB design, and signal integrity analysis from concept through production.

Qualifications

• BS, MS, or 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 optical transceivers and LPO products.

Responsibilities

• Design and development of optical transceivers and LPO modules for high-speed interconnect systems (Ethernet, PCIe).
• Evaluate optical engine integration, TIA, laser driver, VCSEL, EML, and photodiode interfaces.
• Collaborate with Firmware engineering, software engineering, mechanical teams.
• Analyze insertion loss, return loss, crosstalk, impedance discontinuities, and channel compliance.
• Hands-on optical transceiver, LPO module qualification with broader system integration is a plus.
• Support compliance testing and customer qualification activities.
• Evaluate and optimize channels utilizing DSPs, retimers, and high-speed SerDes devices.
• Analyze CTLE, DFE, FFE, adaptive equalization, FEC, and link margin performance.

Skills

Signal integrity

Optical transceivers

PAM4

Education

Electrical Eng degree

Job description

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, seeks a Senior Signal Integrity Engineer for Optical Transceivers & LPO Modules in Nashua, NH. Lead electrical design, simulation, validation, and optimization for 800G/1.6T applications and advanced high-speed interconnects.

The role requires deep expertise in high-speed serial channels, DSPs, retimers, SerDes, PCB design, and signal integrity analysis from concept through production.