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Senior Firmware Engineer

InterSources Inc.

Rancho Cordova, CA

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JOB DETAILS
SKILLS
Analysis Skills, Artificial Intelligence (AI), C Programming Language, C++ Programming Language, Cloud Computing, Communication Skills, Communications Protocols, Computer Engineering, Computer Firmware, Computer Science, Customer Experience, Data Analysis, Data Structures, Debugging Skills, Documentation, Electrical Engineering, Emerging Technology, Financial Control, Industry Standards, Injections, Input/Output, Internet Security, Interoperability, Joint Electron Device Engineering Council (JEDEC), Linux Operating System, Logic Analyzer, Maintain Compliance, Mandarin Chinese Language, NAND Flash, Oscilloscope, PCI Express (PCI-E), Patents, Power Management, Presentation/Verbal Skills, Problem Solving Skills, Protective Services, Protocol Analysis, Protocol Design, Protocol Stack, Regulatory Compliance, Root Cause Analysis, Serial ATA (SATA), Software Development, System Validation, Systems Maintenance, Team Player, Technical Strategy, Timing Verification, Writing Skills
LOCATION
Rancho Cordova, CA
POSTED
30+ days ago
Role: Senior Firmware Engineer
Location: Rancho Cordova, CA
Role Type: Full time

The successful candidate's starting base pay will be determined based on job-related
skills, experience, qualifications, work location and market conditions. The expected
base pay range for this role may be modified based on market conditions.
Highly competitive salaries differentiated by performance.

Job Responsibilities:
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.

Command Processing and Flow Control
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.

Error Reporting and Recovery
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.

Compliance and Interoperability
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.
Debug and Validation
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:
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.

Preferred Qualifications:
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.
Annual merit increases

Benefits:
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.

About Us:
InterSources Inc, a Certified Diverse Supplier, was founded in 2007 and offers innovative solutions to help clients with Digital Transformations across various domains and industries. Our history spans over 16 years and today we are an Award-Winning Global Software Consultancy solving complex problems with technology. We recognize that our employees and our clients are our strengths as the diverse talents and opportunities they bring to the table enable us to grow as a global platform and they are causally linked with our success. We provide strategic and technical advice, and we have expertise in areas covering Artificial Intelligence, Cloud Migration, Custom Software Development, Data Analytics Infrastructure & Cloud Solutions, Cyber Security Services, etc. We make reasonable accommodations for clients and employees and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud partner company. We align strategy with execution and provide secure service solutions by developing and using the latest technologies that thrive our resources to deliver industry-leading capabilities to our clients and customers, making it convenient for our clients to do business with InterSources Inc. Our teams also drive growth by refining technology-driven client experiences that put the users first, providing an unparalleled experience. This results in strengthening the core technologies of clients, enabling them to scale with flexibility, create seamless digital experiences and build lifelong relationships.

About the Company

I

InterSources Inc.

It’s all about harnessing the real power of data. InterSources Inc was founded in 2007 providing intelligent data solutions to clients across industries and geographies.

Over the years, we have built products on Business Intelligence & Big Data platform simplifying and transforming the way business intelligence and real-time data analytics empower Corporations and end-users using Softwares like Tableau, Business Objects, MicroStrategy, etc.

In the process, we have enabled companies to use data analytics to help better understand, predict and influence consumer behavior, identify new market opportunities as they emerge, provide to users the data they need, alert the user when and why key business metrics have changed and enable them to make smart decisions.

COMPANY SIZE
100 to 499 employees
INDUSTRY
Computer/IT Services
FOUNDED
2007
WEBSITE
https://www.intersourcesinc.com/

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