We are seeking a Firmware Validation Engineer to test and verify firmware software for next-generation optical coherent pluggable transceivers. In this role, you will design/automated test suites, validate host interfaces, and ensure product compliance with industry standards. Own and define/participate in end-to-end validation strategy for coherent pluggable optics and transponder products features, ensuring carrier-class quality.Drive system-level, feature-level, and regression test planning aligned with product architecture, standards, and customer use cases.Lead and execute complex validation using white-box and black-box testing across HW, ASIC, FW, and SW layers..Collaborate closely with HW, Optical, ASIC, FW, and SW teams to influence design for testability.Lead root cause analysis (RCA) of customer-found and field issues; enhance test coverage to prevent recurrence.Participate in the test automation strategy and roadmap, ensuring scalability and long-term maintainability.Ensure validation readiness, quality metrics, and release sign-off with clear risk assessment. BS/MS in Engineering with 3+ years of experience in validation of optical telecom products. Strong domain expertise in validation of Coherent Optics, Transponders, and standards: OTN (G.709), Ethernet (100G/400G/800G), CMIS and. Proven experience testing carrier-grade embedded systems in cross-functional and Agile environments. Hands-on experience with optical test equipment: Traffic testers,OSA, Optical Analyzer, Power Meter, VOA, Optical Switch, BER testers. Strong Python proficiency: experience with pytest-based automation frameworks preferred. Experience with test automation, Git, CI/CD integration, defect tracking, and test management tools. Experience collaborating with geographically distributed teams. Self-driven, quality-focused, and effective in fast-paced product environments.