Senior Principal Firmware Engineer – Optical Connectivity (Coherent Optical Modules)

Bright Vision Technologies • Santa Clara, CA

1d • $200,000 - $260,000 • Hybrid

About The Position

We are seeking an experienced Senior Principal Firmware Engineer to join a leading Optical Connectivity Firmware team developing next-generation optical interconnect solutions for hyperscale cloud providers, data centers, and emerging Co-Packaged Optics (CPO) platforms. This is a highly technical individual contributor role responsible for driving firmware architecture, development, validation, and production release for coherent optical module programs, including 400ZR, 400ZR+, and 800ZR platforms.

Requirements

• 15+ years of embedded software/firmware development experience.
• Deep expertise in coherent optical module firmware: 400ZR, 400ZR+, 800ZR, Similar coherent optical technologies
• Strong knowledge of industry standards: OIF-400ZR, CMIS 4.x / 5.x, C-CMIS
• Extensive experience with: Bootloader Design, Firmware Upgrade Mechanisms, Hitless Firmware Updates, Flash Memory Management
• Experience with SoC-based embedded platforms (MCU/DSP architectures).
• Strong programming skills in: C, C++, Python (Automation & Testing)
• Proven ability to lead firmware programs from prototype bring-up through GA release and production support.
• Strong hardware/firmware debugging expertise.
• Experience with: ATE Integration, Lab Bring-Up, Customer Escalation Support, Field Issue Resolution
• Hands-on experience with: Jira, GitLab, CI/CD Firmware Release Workflows
• Excellent communication and cross-functional collaboration skills.

Nice To Haves

• Prior experience with an optical module manufacturer or optical semiconductor company.
• Familiarity with Marvell coherent DSP platforms or equivalent optical networking technologies.
• Experience developing calibration and control algorithms for optical components such as, EDFA, Mach-Zehnder Modulators (MZ), TOSA, Other optical subsystems
• Exposure to Co-Packaged Optics (CPO) platforms.

Responsibilities

• Own end-to-end firmware development for coherent optical module programs from architecture through production release.
• Lead firmware bring-up, calibration, validation, and customer delivery milestones.
• Design and implement advanced firmware capabilities including: Hitless/In-Service Firmware Upgrades, CMIS Compliance, Bootloader Architecture, Calibration & Control Engines, Hardware Abstraction Layers (HAL)
• Collaborate with DSP, hardware, validation, ATE, and test engineering teams to resolve complex system-level challenges.
• Support customer engagements by troubleshooting field issues and delivering robust firmware solutions.
• Drive firmware architecture improvements, shared platform infrastructure, automation, tooling, and release processes.
• Mentor engineering teams and serve as a technical subject matter expert.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed