Senior SI Engineer, Optics & High-Speed Transceivers

Amphenol Corporation

Nashua (NH)

On-site

USD 130,000 - 180,000

Full time

14 days+

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Job summary

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, seeks an experienced Senior Signal Integrity Engineer focused on optical transceivers and LPO modules in Nashua, NH. You will lead electrical design, simulation, validation, and optimization for 800G+ technologies, collaborating across firmware, software, and mechanical teams.

The role requires deep knowledge of high-speed channels, DSPs, SerDes, PCB design, and Co-Packaged Optics, with hands-on qualification and

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, software, and mechanical teams.
Analyze insertion loss, return loss, crosstalk, impedance discontinuities, and channel compliance.
Support compliance testing and customer qualification activities.