Job Description

Job Title: CXL Firmware Engineer

Location: Milpitas, California

Job Type: Full-time

Job Description:

We are seeking a highly skilled CXL (Compute Express Link) Firmware Engineer to join our team. This role will focus on the development, optimization, and debugging of firmware for next-generation CXL-enabled systems. The ideal candidate will have a strong background in low-level firmware development, PCIe, memory subsystems, and system software for high-performance computing environments.

Key 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.

Required Qualifications:

• Bachelor’s or master’s degree in computer engineering, Electrical Engineering, or a related field.
• Strong experience in low-level firmware development using C/C++ and Assembly.
• In-depth knowledge of CXL, PCIe, and memory architecture.
• Experience with firmware debugging tools such as JTAG, logic analyzers, and protocol analyzers.
• Understanding of Linux kernel internals, device drivers, and memory management.
• Experience with embedded systems and RTOS environments.
• Strong problem-solving skills and the ability to work in a fast-paced, collaborative environment.

Preferred Qualifications:

• Experience in developing firmware for CXL-enabled accelerators, memory modules, or AI/ML hardware.
• Familiarity with U-Boot, UEFI, ACPI, and platform firmware standards.
• Knowledge of security features in firmware, including trusted execution environments (TEE) and secure boot.
• Contributions to open-source projects related to firmware, PCIe, or CXL.

Compensation Range

• $121,000 /year to $185,000 /year + bonus +equity + benefits
• The actual total compensation and benefits package will be determined by ScaleFlux in its sole discretion, based on skills, qualifications, experience, location and other considerations.
• Compensation details listed in this posting reflect the ranges for base pay.

If you are passionate about firmware development and excited to work on next-generation CXL-based systems, we would love to hear from you!

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