ScaleFlux · 8 hours ago
Senior Firmware Engineer
Milpitas, CA
Full-time
Onsite
Senior Level
5+ years expScaleFlux is seeking a highly skilled CXL Firmware Engineer to join their team. This role will focus on the development, optimization, and debugging of firmware for next-generation CXL-enabled systems.
AnalyticsComputerData StorageFlash StorageHardwareInternetSemiconductor
Hiring Manager
Zeina Guo
Responsibilities
Design, develop, and maintain firmware solutions for CXL-based devices and memory systems
Implement and optimize firmware components supporting CXL protocol, including memory pooling, coherency, and device enumeration
Work closely with hardware, software, and system architecture teams to ensure seamless CXL integration
Debug and resolve firmware issues related to CXL, PCIe, and memory management using various debugging tools and techniques
Collaborate on performance tuning and power optimization for CXL-based systems
Stay updated on CXL specifications and contribute to industry discussions and standards where applicable
Develop unit tests, validation frameworks, and automated testing strategies to ensure firmware quality and reliability
Provide technical documentation and support to internal teams and external partners
Qualification
Required
Engineer with 5+ years of experience in Linux kernel and kernel module development
Experienced in Linux support and development with knowledge in one or more of the following areas: memory management, cache and memory subsystems, schedulers, filesystems, architecture-specific code (x86, ARM, RISC-V)
Hands-on experience with high-speed protocols like PCIe/CXL is a plus
Good system knowledge and debugging mechanisms in the Linux kernel (ftrace, kdump, ktraces, ebpf, …)
Familiarity with embedded systems development at SoC / Bare Metal level
Good knowledge of industry standards, such as BMC, IPMI, PCI/PCIe/CXL, I2C, I3C, SPD, SMBUS, ACPI and etc
Good knowledge of OCP standards, MCTP, PLDM, SPDM, JEDC and etc
Well organized, with good written and oral communication skills
Self-learning skill to understand and develop good understanding of the system
Benefits
Competitive compensation
Benefits
Career growth opportunities
Company
ScaleFlux
Enterprise Flash Storage & Memory innovations - the force multiplier for the AI/ML, enterprise, data center, and edge infrastructure
201-500 employees
H1B Sponsorship
ScaleFlux has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (10)
2024 (8)
2023 (6)
2022 (9)
2021 (7)
2020 (3)
Funding
Current Stage
Growth StageTotal Funding
$287.18MKey Investors
SK GroupKIOXIAMediaTek
2021-02-01Series C· $200M
2020-09-22Series B· $50M
2018-03-20Series B· $25M
Leadership Team
Yang Liu
VP of ASIC Eng. & Co-Founder
Fei Sun
VP Engineering
Recent News
2025-10-09
Company data provided by crunchbase