Senior Hardware Design Engineer, High Speed Networking

Location: Nashua, New Hampshire, United States

Employment: Full-time

Company

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

What you will do

• Design high-power, high-density Ethernet switches and advanced networking hardware from functional specifications through production.
• Select and qualify components, capture schematics, verify designs, and collaborate with eCAD teams on PCB layouts and footprints.
• Develop signal integrity and power integrity simulations for datapath and power signals, including PCB stackups and fabrication details.
• Collaborate with mechanical, thermal, software, diagnostics, test, manufacturing, and contract manufacturing teams.
• Bring up and debug prototypes, drive complex system debugging, and support design validation and manufacturing test development.
• Guide engineering groups, mentor junior engineers, and train contract manufacturers to achieve high-yield production.

Requirements

• BSEE or MSEE.
• 10+ years of relevant hardware engineering experience.
• Experience designing networking hardware with 100G and 200G PAM4 Ethernet switching.
• Experience designing 20+ layer boards with 50G+ signals, sequential lamination, HDI, and ultra-low-loss materials.
• Experience with multi-phase DC/DC converters, DDR, PCIe, FPGA design, Verilog or VHDL, and system simulation.
• Knowledge of signal integrity, power integrity, high-complexity schematics, DFM, contract manufacturing, and taking products from concept to production.

Nice to have

• Embedded x86/ARM system design experience.

Culture & Benefits

• Cross-functional collaboration across software, product management, marketing, manufacturing, mechanical, thermal, and test engineering.
• Work on networking products used in enterprise campuses, hyperscale data centers, and AI clusters.
• Inclusive environment that values diverse perspectives and engineering innovation.
• Equal opportunity employment and confidential handling of applicant information.