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# Senior Hardware Design Engineer

- **Company:** Sonnet Technologies, Inc.
- **Location:** Lake Forest, CA, United States
- **Experience:** Expert
- **Salary:** $150,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** Board Bringup, Ethernet, Firmware, Hardware Design, PCI Express, Release Management, Systems Integration, PIC Microcontroller, Pcb Layout
- **Published:** August 24, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=0c4012b9dae27b83

## About the Role

Sonnet is seeking a Senior Hardware Design Engineer with extensive experience designing complex, high-speed circuit card assemblies.

A BSEE and 7+ years of relevant hardware design experience are required.

This is a hands-on engineering position offering substantial technical ownership throughout the complete product development cycle-from architecture and component selection through schematic design, simulation, PCB layout guidance, prototype bring-up, validation, troubleshooting, compliance, and production release. The successful candidate will have strong high-speed digital and mixed-signal design experience and exceptional hands-on laboratory troubleshooting skills. Experience with several of the following technologies is highly desirable:

 * PCIe Gen 4/5
 * Thunderbolt, USB4, or USB 3.2
 * 10Gb Ethernet
 * DisplayPort or HDMI
 * USB-C Power Delivery
 * Microcontrollers
 * Low-voltage DC-DC power regulation
 * Electronics thermal management

## Description

* Designing complex high-speed digital and mixed-signal hardware.
 * Guiding high-speed, multi-layer, impedance-controlled PCB layout and stack-up design.
 * Leading prototype hardware bring-up, functional verification, system integration, troubleshooting, and failure analysis.
 * Working closely with mechanical, software, firmware, manufacturing, technical support, and product teams throughout product development.
 * Working with outside design and manufacturing partners as needed.
 * Managing product compliance and certification testing with outside laboratories.

Pay: $150,000.00 - $200,000.00 per year


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