We are seeking an experienced Optical Line System / Optical Pluggable Network Element Software Development Engineer to design, develop, and integrate software for next-generation optical network elements, optical line systems, optical pluggables, and coherent optical systems. The role involves embedded and system software development, Device Abstraction Layer (DAL), Hardware Abstraction Layer (HAL), hardware-interface software, optical line system control, pluggable module management, telemetry, management-plane interfaces, and optical-domain software integration.