Senior Hardware Design Engineer (High Speed Networking)

Location: Nashua, NH, USA

Company

hirify.global develops client-to-cloud networking solutions for data centers, campuses, routing environments, and AI clusters.

What you will do

• Author functional specifications and design high-power, high-density Ethernet switches for AI networks.
• Select and qualify components, capture schematics, and perform tool-based design verification.
• Collaborate with eCAD, mechanical, thermal, software, product, manufacturing, and test teams on PCB layout, system realization, validation, and manufacturing.
• Develop signal integrity and power integrity simulations for power and datapath signals, including PCB stackups and fabrication details.
• Develop programmable logic devices for control and timing planes and bring up and debug prototypes in the lab.
• Drive system debugging, manufacturing test development, contract manufacturer training, and mentor less experienced engineers.

Requirements

• BSEE or MSEE and 10+ years of relevant hardware engineering experience.
• Experience designing networking hardware, particularly 100G and 200G PAM4 Ethernet switching products.
• Experience designing 20+ layer boards with 50G+ signals, sequential lamination, HDI, and ultra-low-loss materials.
• Strong knowledge of multi-phase DC/DC converters, DDR, PCIe, signal integrity, power integrity, and complex PCB layout and routing.
• Experience with FPGA design and system simulation using Verilog or VHDL.
• Experience with DFM, contract manufacturers, and taking hardware products from concept through mass production.

Nice to have

• Experience with embedded x86/ARM system design.

Culture & Benefits

• Work involves cross-functional collaboration with software, product management, marketing, manufacturing, mechanical, thermal, and test teams.
• Inclusive environment that values diverse perspectives and engineering innovation.
• Recognition for engineering excellence, diversity, compensation, and work-life balance.