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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Principal Firmware Engineer - **Company:** Bright Vision Technologies - **Location:** Santa Clara, CA, United States - **Experience:** Expert - **Salary:** $200,000.0 - $260,000.0 - **Contract:** Permanent contract - **Skills:** Abstraction Layers, JIRA, Automation of Tests, Booting (BIOS), Content Management Interoperability Services, Continuous Integration, Data Centers, Software Debugging, Embedded Software, Firmware, Flash Memory, Release Management, Software Deployment, Systems Integration, Scripting, Gitlab - **Published:** June 12, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=663aab6ffad42563 ## About the Role Do you have experience in Systems integration?, * 15+ years of embedded software/firmware development experience. * Strong expertise in coherent optical module firmware (400ZR, 800ZR, ZR+, or equivalent technologies). * Deep understanding of industry standards including: * OIF-400ZR * CMIS 4.x/5.x * C-CMIS * Experience with SoC-based embedded systems and MCU/DSP architectures. * Strong proficiency in C/C++ for embedded firmware development. * Experience with Python scripting for test automation and validation. * Expertise in: * Bootloader design * Firmware upgrade frameworks * Flash memory management * Production firmware release processes * Proven track record of leading products from initial bring-up through GA release and production support. * Strong hardware/firmware debugging and system integration skills. * Experience with ATE integration, lab validation, and field issue resolution. * Hands-on experience with GitLab, Jira, CI/CD pipelines, and modern firmware development workflows. * Excellent communication and cross-functional collaboration skills., * Previous experience with an optical module manufacturer or optical semiconductor company. * Experience with coherent DSP platforms and optical networking products. * Knowledge of Co-Packaged Optics (CPO) architectures. * Background in optical calibration and control algorithms involving components such as EDFA, Mach-Zehnder Modulators (MZ), TOSA, or related optical subsystems. * Familiarity with high-speed optical interconnect technologies deployed in hyperscale data center environments. ## Description We are seeking a highly experienced Senior Principal Firmware Engineer to lead firmware development for next-generation coherent optical connectivity solutions. This is a hands-on technical leadership role focused on coherent optical modules, embedded firmware architecture, and emerging Co-Packaged Optics (CPO) platforms. The ideal candidate will have deep expertise in optical transceiver firmware, SoC-based embedded systems, and end-to-end product ownership from development through production deployment., * Own firmware architecture, design, development, and release for coherent optical module programs (400ZR, 800ZR, ZR+, or similar). * Lead firmware efforts across product lifecycle phases including bring-up, calibration, validation, production release, and customer deployment. * Develop and enhance firmware features such as: * CMIS/C-CMIS compliance * Bootloader architecture * Firmware upgrade mechanisms (including hitless/in-service upgrades) * Hardware abstraction layers * Calibration and control engines * Collaborate with hardware, DSP, validation, manufacturing, ATE, and test engineering teams to resolve complex system-level issues. * Support customer engagements by troubleshooting field issues, responding to technical inquiries, and delivering firmware solutions. * Drive firmware platform improvements, shared infrastructure development, release processes, and automation initiatives. * Mentor engineers and provide technical leadership across multiple programs. ## Related Videos - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Strange New Worlds: shaping the future of the digital age](https://www.wearedevelopers.com/videos/677-strange-new-worlds-shaping-the-future-of-the-digital-age) - [Are Code Reviews Worth It? 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