Senior Optical Transceiver Firmware Engineer - 800G

Supermicro; San Jose (CA); On-site; USD 160,000 - 185,000; Full time

Job summary

Supermicro is seeking a Sr Optical Transceiver Firmware Engineer to design and maintain embedded software for high-speed transceiver modules in a data center setting. You will work across hardware, optics, and system teams to implement module control, diagnostics, and host communication for 400G/800G platforms.

You will collaborate on firmware architecture, calibration, and validation, with a focus on performance, power, and reliability.

Qualifications

• Bachelor's degree in Electrical Engineering, Computer Engineering, or a related technical field.
• 8+ years of experience in embedded firmware or software development, preferably in networking, data center, or hardware-control.
• Strong proficiency in C/C++ programming for embedded systems.
• Experience developing firmware for hardware control and real-time embedded platforms.
• Hands-on experience with optical transceiver technologies (QSFP28/DD/OSFP) and related interfaces.

Responsibilities

• Design, develop, test, and debug embedded firmware for optical transceiver platforms.
• Implement and maintain firmware features for CMIS, I2C, MDIO, SPI, and PMBus.
• Develop firmware for module initialization, diagnostics, telemetry, and power management.
• Create and maintain automation tools, scripts, and test frameworks for validation.
• Collaborate with hardware, optics, and system teams to meet performance and reliability goals.

Skills

C/C++

Embedded systems

Networking hardware

Debugging tools

CMIS protocol

Education

Bachelor's degree in Electrical or Computer Engineering

Tools

CMIS

I2C

MDIO

SPI

PMBus

Oscilloscopes

Job description

Supermicro is seeking a Sr Optical Transceiver Firmware Engineer to design and maintain embedded software for high-speed transceiver modules in a data center setting. You will work across hardware, optics, and system teams to implement module control, diagnostics, and host communication for 400G/800G platforms.

You will collaborate on firmware architecture, calibration, and validation, with a focus on performance, power, and reliability.