Senior Firmware Engineer: High-Speed SerDes & Photonics

Trilyon, Inc.; California; On-site; USD 150,000 - 230,000; Full time

Job summary

Trilyon, Inc. in San Jose, CA, seeks an experienced firmware lead to design and develop high-speed SerDes firmware bridging electrical and optical domains. The role focuses on low-level firmware, hardware interfaces, and robust calibration of photonic and electrical subsystems.

You will collaborate with hardware and validation teams, utilizing C/C++ with baremetal and Zephyr RTOS to deliver reliable PIC-integrated solutions. Strong debugging skills and PCIe knowledge are required.

Qualifications

• 8–10 years firmware development experience.
• Experience in firmware for high-speed SerDes systems (electrical and optical).
• Proficiency in C and C++ programming.
• Knowledge of PCIe and IEEE 802.3 PHY specifications.

Responsibilities

• Design and develop firmware bridging SerDes, silicon photonics, and optical subsystems.
• Collaborate with firmware, hardware, systems, and validation teams to enable control, calibration, and optimization.
• Support debugging and hardware bring-up using JTAG/I2C tools and scopes.

Skills

C/C++

Baremetal

Zephyr RTOS

High-speed SerDes

Networking interfaces

Tools

JTAG

I2C bus analyzers

Oscilloscope

Job description

Trilyon, Inc. in San Jose, CA, seeks an experienced firmware lead to design and develop high-speed SerDes firmware bridging electrical and optical domains. The role focuses on low-level firmware, hardware interfaces, and robust calibration of photonic and electrical subsystems.

You will collaborate with hardware and validation teams, utilizing C/C++ with baremetal and Zephyr RTOS to deliver reliable PIC-integrated solutions. Strong debugging skills and PCIe knowledge are required.