Position: Senior Signal Integrity Engineer Optical Transceivers & LPO ModulesLocation: Nashua, NHPosition SummaryWe are seeking an experienced Signal Integrity Engineer, Optics, to join our High-Speed I/O R&D team. The successful candidate will be responsible for the electrical design, simulation, validation, and optimization of next-generation optical transceivers, Linear Pluggable Optics (LPO), and high-speed networking products supporting 800G, 1.6T and future generation applications.
This role requires deep expertise in high-speed serial channels, DSPs, retimers, SerDes architectures, PCB design, cable assemblies, optical modules, and signal integrity analysis from concept through production.
ResponsibilitiesOptical Transceiver & LPO Development
- 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
- Knowledge of Co-Packaged Optics (CPO) is a plus.
- Familiarity with IEEE Ethernet and PCIe SIG standards and CMIS compliance testing.
Networking Technologies- Support development of high-speed networking products for AI, cloud, and data center applications.
- Understand NIC architectures and networking protocols including Ethernet, TCP/IP, PCIe, and MCTP.
- Participate in performance optimization of complete networking systems.
Required 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.
Amphenol Corporation offers the opportunity for career growth within a global organization. We believe that Amphenol Corporation is unique in that every employee, regardless of his or her position, has the ability to positively impact the business.
