> Markdown version of [/jobs/ext/3782270-senior-hardware-design-engineer-high-speed-networking](https://www.wearedevelopers.com/jobs/ext/3782270-senior-hardware-design-engineer-high-speed-networking). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Hardware Design Engineer, High Speed Networking - **Company:** Arista Networks - **Location:** Hudson, NH, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Artificial Intelligence, Computer Engineering, Software Debugging, Ethernet, Field-Programmable Gate Array (FPGA), Hardware Design, Networking Hardware, PCI Express, Schematic Capture, Signal Integrity, User-Centered Design, Verilog, VHSIC Hardware Description Language (VHDL), Network Switches, Pcb Layout - **Published:** October 16, 2026 - **Apply:** https://www.thejobnetwork.com/job/47d6dc07-0812-40be-b0d3-74a88fd1cbd2/senior-hardware-design-engineer-high-speed-networking ## About the Role * BSEE or MSEE * 10+ years of relevant experience in hardware engineering * Experience designing networking hardware, particularly involving 100G and 200G PAM4 Ethernet switching * Embedded x86/ARM system design is highly desirable * Experience designing 20+ layer count boards featuring 50G+ signals, and advanced PCB manufacturing technologies such as sequential lamination, HDI, and ultra-low-loss materials * Experience working with multi-phase DC/DC's for high current, high transient loads * Experience working with high speed interfaces, such as DDR, PCIe * Writing specifications and drawing schematics for high complexity boards * Working closely with CAD designers on complicated layout and routing * Working closely with Software and test engineers to bring-up and debug systems * Familiarity with signal integrity and power integrity concepts and tools, such as: impedance, PDN's, differential routing, insertion loss, S-parameters, TDR's, VNA's * Experience with mass production Design for Manufacturability (DFM) * FPGA design and system simulation using Verilog and or VHDL * Working with Contract manufacturers * Successfully taking products from concept to production ## Description Working closely with cross-functional teams including software, product management, marketing, and manufacturing, our engineers innovate new system architectures and develop high-speed PCBs requiring state-of the-art signal integrity and power integrity design practices. What You'll Do Our Hardware Design Engineering team is at the forefront of developing high-speed networking and Ethernet products used in Enterprise campuses, hyperscale datacenters and bleeding edge AI clusters. The team is responsible for the end-to-end design and development of advanced hardware solutions that meet the demands of modern networking environments. Candidates for this position would be responsible for the entire hardware design process: * Authoring functional specifications of high power and high density Ethernet switches used in AI networks * Selecting and qualifying components * Schematic capture and tool-based design verification * Working closely with eCAD teams on PCB layout and component footprints * Working with internal teams to run (or run your own) signal integrity simulations on both power and datapath signals * Working closely with mechanical and thermal engineers on the system general arrangement and physical realization * Specifying PCB stackup and fabrication details with various PCB vendors * Working with internal teams to develop (or develop your own) programmable logic devices for control and timing planes * Working closely with local and overseas Contract Manufacturers (CM), from proto through production * Lab bring up and debug of prototypes * Working closely with diagnostics software engineers on both design validation and manufacturing test development * Driving complex system debug between software, hardware, and test teams * Training CM for high yield test and manufacturing * Guiding groups of engineers and mentoring younger engineers