Senior Principal Engineer

The role

This person will lead the end-to-end development of next-generation network security appliances. They will manage all phases of hardware product development from requirements and architecture to prototyping, validation, and production release.

What you will do

• Own the complete hardware design lifecycle from concept through production and sustaining engineering.
• Translate product requirements into hardware architectures and detailed design specifications.
• Conduct technology evaluations, design trade-off analyses, and recommend optimal solutions.
• Select and qualify key components, technologies, and vendors.
• Drive product lifecycle management activities.
• Design complex multi-layer PCBs for networking and security appliances.
• Perform circuit design, schematic capture, signal integrity analysis, and power budget calculations.
• Develop PCB stack-ups and controlled impedance requirements for high-speed interfaces.
• Create and maintain Bills of Material, design documentation, ECOs, and change notices.
• Validate designs through prototyping, characterization, functional testing, and root cause analysis.

Required qualifications

• Strong understanding of digital, power, and networking electronics.
• Experience with networking hardware design, product integration, and manufacturing processes.
• Expertise in CPU/SoC-based designs (Intel, AMD, ARM, MIPS).
• Expertise in DDR memory interfaces.
• Expertise in Ethernet PHYs and magnetics.
• Expertise in PCIe, SATA, USB, SPI, and other high-speed interfaces.
• Expertise in power distribution and power integrity.
• Expertise in EMI/EMC, ESD, surge protection, and signal integrity.
• Proven experience designing networking or security appliances from concept through production.
• Strong knowledge of high-speed signaling technologies (10G/25G/100G Ethernet).
• Strong knowledge of IEEE 802.3 Ethernet standards.
• Strong knowledge of wireless technologies and IEEE 802.11 standards.

Nice to have

• Bachelor’s or Master’s degree in Electrical Engineering or a related field
• Experience developing enterprise networking, cybersecurity, firewall, SD-WAN, or security appliance products.
• Familiarity with product development in high-volume manufacturing environments.
• Demonstrated success delivering complex networking platforms from concept through production release.

About the company

SonicWall has delivered a partner-first unified cybersecurity portfolio for more than 30 years. The company helps SMBs, MSPs, and IT teams consolidate security across hybrid environments.