Firmware Tech Lead
Core
Architect, develop, and bring up embedded firmware for advanced optical modules and optical engines, including PIC control algorithms and CMIS implementation.
Role type
Senior IC firmware tech lead (optical modules/engines)
Builds
Embedded firmware for QSFP-DD, OSFP, and optical engine platforms; custom optical control ASICs; manufacturing and test firmware
Domain
Optical networking / Photonic integrated circuits (PIC)
Deliverable
production ML models | product features | infrastructure
Required skills
Embedded firmware architecture, ARM and RISC-V control architectures, PIC control algorithms, CMIS implementation, calibration logic, CI/CD pipeline design, root-cause analysis, technical mentorship
Preferred skills
Experience with QSFP-DD and OSFP standards, DSP and ASIC collaboration, manufacturing test flow optimization
Technologies
ARM, RISC-V, CMIS, DAC/ADC, CI/CD
Responsibilities
Architect, develop, debug, and release embedded firmware for QSFP-DD, OSFP, and optical engine platforms; Define MCU/processor, memory, boot, and peripheral requirements for optical module and optical engine control subsystems; Generate and own digital requirements and specifications for custom optical control ASICs; Partner with ASIC, RTL, verification, optical systems, and DSP teams to drive architecture definition, implementation alignment, bring-up, and debug; Develop firmware for PIC control algorithms and integrated photonic IC control functions; Implement and maintain CMIS-compliant firmware for module control, telemetry, diagnostics, state management, and host interfaces; Lead firmware and digital bring-up for new optical module, optical engine, and control ASIC platforms; Develop firmware for manufacturing, test, screening, calibration, and production enablement; Define and improve the firmware development flow, including build and release processes, automated testing, regression coverage, and continuous integration (CI); Drive root-cause analysis across lab bring-up, qualification, manufacturing, and field-return scenarios; Mentor engineers through technical leadership, design reviews, code reviews, and debug support.
