Senior Principal Firmware Engineer

Bright Vision Technologies is a forward-thinking software development company dedicated to building innovative solutions that help businesses automate and optimize their operations. We leverage cutting-edge technologies to create scalable, secure, and user-friendly applications. As we continue to grow, we’re looking for a skilled Senior Principal Firmware Engineer – Coherent Optical Modules & Embedded Platforms (CPO) to join our dynamic team and contribute to our mission of transforming business processes through technology. This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential. Job Title: Senior Principal Firmware Engineer – Coherent Optical Modules & Embedded Platforms (CPO) Location: Santa Clara, CA (Onsite) Salary: (USD): $200K – $260K per year About the Role 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. Key Responsibilities 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. Required Qualifications 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. Preferred Qualifications 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. Would you like to know more about this opportunity? For immediate consideration, please send your resume to View email address on click.appcast.io or contact us at View phone number on click.appcast.io Bright Vision Technologies, we are committed to equal employment opportunities and fostering an inclusive work environment. If you require accommodations during the recruitment process, please let us know. Position offered by “No Fee agency.” Equal Employment Opportunity (EEO) Statement Bright Vision Technologies (BV Teck) is committed to equal employment opportunity (EEO) for all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, veteran status, or any other protected status as defined by applicable federal, state, or local laws. This commitment extends to all aspects of employment, including recruitment, hiring, training, compensation, promotion, transfer, leaves of absence, termination, layoffs, and recall. BV Teck expressly prohibits any form of workplace harassment or discrimination. Any improper interference with employees' ability to perform their job duties may result in disciplinary action up to and including termination of employment.