Senior Principal Firmware Engineer (Embedded)

TL;DR

Senior Principal Firmware Engineer (Embedded): Leading firmware development for coherent optical module platforms with an accent on SoC-based architectures and high-bandwidth optical interconnects. Focus on designing complex firmware features, driving cross-functional program execution, and ensuring production-grade reliability for hyperscale cloud infrastructure.

Location: Must be based in Santa Clara, CA

Salary: $177,820–$266,400 per annum

Company

hirify.global is a leading semiconductor company providing essential data infrastructure solutions for enterprise, cloud, and AI architectures.

What you will do

• Own end-to-end firmware development for coherent optical module programs from architecture to production.
• Lead program-level firmware efforts including bring-up, calibration, validation, and customer delivery.
• Design advanced firmware features such as hitless upgrades, CMIS compliance, and hardware adaptation layers.
• Drive cross-functional collaboration with DSP, hardware, and test engineering teams to resolve system-level issues.
• Support customer engagements by debugging field issues and delivering tailored firmware solutions.
• Mentor and guide team members while serving as a technical subject matter expert.

Requirements

• 15+ years of experience in embedded software/firmware architecture and design.
• Deep expertise in coherent optical module firmware (400ZR, 800ZR) and OIF standards.
• Strong background in bootloader design, flash management, and hitless upgrade mechanisms.
• Proficiency in C/C++ development and Python for test automation.
• Experience with SoC-based embedded platforms and MCU/DSP architectures.
• Must be eligible to access export-controlled information under U.S. export control laws.

Nice to have

• Prior experience at an optical module or semiconductor company.
• Familiarity with hirify.global optical or coherent DSP platforms.
• Background in calibration and control algorithms for optical components like EDFA, MZ, or TOSA.

Culture & Benefits

• Comprehensive financial well-being programs including an employee stock purchase plan.
• Robust family support and work-life balance initiatives.
• Extensive mental and physical health resources.
• Recognition and service awards for professional milestones.