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Senior Hardware Design Engineer, High Speed Networking

Nashua, NH, us💼 Full-time🗓 2026-08-28 → 2026-09-25

Core

Design and develop high-speed networking and Ethernet products for enterprise campuses, hyperscale datacenters, and AI clusters.

Role type

Senior IC hardware design engineer (high-speed networking)

Builds

High power and high density Ethernet switches, 20+ layer PCBs, and programmable logic devices for control and timing.

Domain

Networking hardware, high-speed signal integrity, AI infrastructure

Deliverable

production ML models | product features

Required skills

High-speed PCB design (100G/200G PAM4), signal integrity simulation, FPGA design (Verilog/VHDL), schematic capture, component qualification, DFM, multi-phase DC/DC design, high-speed interface design (DDR, PCIe), system bring-up and debug

Preferred skills

Embedded x86/ARM system design, advanced PCB manufacturing technologies (sequential lamination, HDI, ultra-low-loss materials)

Technologies

Verilog, VHDL, eCAD tools, VNA, TDR, S-parameters, impedance analysis, PDN analysis

Responsibilities

Author functional specifications for Ethernet switches, run signal integrity simulations, collaborate on PCB layout and stackup, develop programmable logic devices, manage contract manufacturers from prototype to production, debug complex hardware-software systems, mentor junior engineers

Seniority

Senior, hands-on IC with mentorship responsibilities

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