Senior Optical Transceiver & Signal Integrity Engineer

Amphenol Communications Solutions; Nashua (NH); On-site; USD 110,000 - 160,000; Full time

Job summary

Amphenol Communications Solutions (ACS) is seeking a Senior Signal Integrity Engineer for Optical Transceivers & LPO Modules in Nashua, NH. You will lead electrical design, simulation, validation, and optimization for next-generation high-speed interconnects up to 224G PAM4, partnering across firmware, software, and mechanical teams.

The role demands deep expertise in high-speed serial channels, DSPs, retimers, SerDes architectures, PCB design, and system-level SI analysis from concept to

Qualifications

• BS/MS/PhD in Electrical Engineering or related field required.
• 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.

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/software/Mechanical teams; analyze insertion loss, return loss, crosstalk, impedance discontinuities.
• Qualification of optical transceivers and LPO with broader system integration; support testing and customer qualification.
• Evaluate and optimize channels utilizing DSPs, retimers, and high-speed SerDes devices.
• Analyze CTLE, DFE, FFE, adaptive equalization, FEC, and link margin performance; familiarity with IEEE Ethernet and PCIe SIG standards.

Skills

High-speed signal integrity

SerDes architectures

DSPs

Retimers

PCB design

Electrical engineering concepts

Networking systems concepts

Education

Bachelor's/Master's/PhD in Electrical Engineering or related field

Tools

CMIS compliance testing

Job description

Amphenol Communications Solutions (ACS) is seeking a Senior Signal Integrity Engineer for Optical Transceivers & LPO Modules in Nashua, NH. You will lead electrical design, simulation, validation, and optimization for next-generation high-speed interconnects up to 224G PAM4, partnering across firmware, software, and mechanical teams.

The role demands deep expertise in high-speed serial channels, DSPs, retimers, SerDes architectures, PCB design, and system-level SI analysis from concept to