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Sr Firmware Engineer; FE
Job in
Rancho Cordova, Sacramento County, California, 95741, USA
Listed on 2026-06-02
Listing for:
CivicMinds, Inc.
Full Time
position Listed on 2026-06-02
Job specializations:
-
Software Development
Software Engineer
Job Description & How to Apply Below
Job Title: Senior Firmware Engineer(FE)
Job Location: Rancho Cordova, CA
Protocol Stack Design and Maintenance
- 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.
Minimum Requirements /
Qualifications:
- 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
- Experience in 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
- Linux system debug experience.
- Fluent in reading and writing Mandarin preferred.
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