Lead Signal Integrity Engineer – Optical Transceivers & LPO

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

Job summary

Amphenol Communications Solutions (ACS) in Nashua, NH seeks an experienced Senior Signal Integrity Engineer, Optics, to lead electrical design, simulation, validation, and optimization of next-generation optical transceivers, LPO modules, and high-speed networking products.

The role requires deep expertise in high-speed serial channels, DSPs, retimers, SerDes architectures, PCIe/Ethernet, and collaboration with firmware, software, and mechanical teams to ensure channel compliance and system

Qualifications

• BS, MS, or PhD in Electrical Engineering or related field.
• 5+ years of experience in high-speed signal integrity engineering.
• 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, software, and 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.
• Knowledge of Co-Packaged Optics (CPO) is a plus.
• Familiarity with IEEE Ethernet and PCIe SIG standards and CMIS compliance testing.

Skills

High-speed serial interfaces

Networking systems

56G/112G/224G PAM4

Education

BS/MS/PhD in Electrical Engineering

Job description

Amphenol Communications Solutions (ACS) in Nashua, NH seeks an experienced Senior Signal Integrity Engineer, Optics, to lead electrical design, simulation, validation, and optimization of next-generation optical transceivers, LPO modules, and high-speed networking products.

The role requires deep expertise in high-speed serial channels, DSPs, retimers, SerDes architectures, PCIe/Ethernet, and collaboration with firmware, software, and mechanical teams to ensure channel compliance and system