Senior Firmware Engineer

$/yr - $/yr

Job Title: Senior Firmware Engineer

• Design and maintain the NVMe protocol stack, including Admin and I/O command processing, and Submission/Completion Queue management.
• Ensure full compliance with the latest NVMe specifications and PCIe Gen5 protocol requirements.
• Design and implement SMBus and I3C communication protocols, ensuring reliable and accurate data exchange with the host controller.

• Implement NVMe command parsing, data transfer mechanisms, and completion flows, supporting multi-namespace operations.
• Implement SMBus/I3C read/write commands and data flow, including status monitoring, temperature/voltage reporting, and control command handling.

• Implement proper status code reporting, Asynchronous Event Notification (AEN), and error recovery flows to ensure host compatibility.
• Handle timeout, abort, and reset scenarios to maintain system stability and minimize host impact.
• Design SMBus/I3C error detection and retry mechanisms to prevent transmission errors from causing system failures.

• Verify compatibility with industry-standard NVMe compliance tools and host platforms.
• Validate SMBus and I3C communication against JEDEC/MIPI specifications to ensure broad interoperability with different host systems and controllers.

• Capture and analyze PCIe/NVMe transactions using protocol analyzers, logic analyzers, and firmware logs.
• Monitor SMBus/I3C transfers, analyze timing and error conditions, and ensure firmware implementation is stable and reliable.
• Collaborate with validation teams to execute compliance, stress, and corner‑case tests, including hot‑plug, power management, error injection, and multi‑protocol concurrency tests.
• Provide root‑cause analysis and implement fixes for protocol‑related issues found during validation or in customer systems.

• Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or related fields.
• At least 3 years work experience in each of the following: software/firmware applications engineering; SSD controller/firmware architecture; strong experience in C/C++ programming and data structure; hands‑on experience with JTAG/ICE debuggers; experience with version control software like Git.
• Competent to work independently as well as in a small team collaboration environment.
• Must be willing to learn fast and execute as a team player.
• Good oral, written and presentation skills for communication and documentation.
• Ability to work independently with a minimum of day‑to‑day supervision.

• The ability to operate logic analyzer, oscilloscope and bus protocol analyzer is valuable.
• Familiar with SATA/PCIe (NVMe) protocols.
• Familiar with NAND flash protocols.
• Fluent in reading and writing Mandarin preferred.

Mid‑Senior level

Full‑time

Semiconductor Manufacturing

• Highly competitive salaries differentiated by performance.
• Annual merit increases.
• Year‑end bonus.
• RSU for eligible employees.
• Invention and Patent Awards.
• 401(k) Employer Matching.
• Length of Service Awards.
• We offer comprehensive health insurance plans for eligible employees and dependents. There are plans to meet the needs of you and your family.

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