Principal Engineer

Principal Engineer - Linux BSP Firmware (CXL Type-3 Memory Expanders)

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Principal Engineer - Linux BSP Firmware (CXL Type-3 Memory Expanders)

Position Overview

We are seeking a highly skilled and motivated Principal Engineer Linux BSP Firmware with deep expertise in Compute Express Link (CXL) Type-3 Memory Expanders. The ideal candidate will in the future be able lead a team responsible for the design, development, integration, and validation of low-level board support packages (BSP), drivers, and firmware for next-generation CXL-based memory expander solutions. This role requires strong technical leadership, hands-on development skills which will be crucial in the initial 10 to 12 months of this tole, and the ability to collaborate across hardware, firmware, and software teams.

Key Responsibilities

• Own the architecture, design, and development of Linux BSP, firmware, and device drivers for CXL Type-3 memory expanders.
• Create, Manage and mentor a team of firmware and BSP engineers, driving best practices in design, coding, and validation post the initial 10 to 12 month hands on delivery.
• Define and implement low-level board bring-up, bootloaders, diagnostics, and firmware integration with Linux kernel subsystems.
• Collaborate with hardware design teams to define system requirements, debug hardware/firmware interactions, and optimize performance.
• Work with Linux kernel community and upstream processes to ensure compliance and support for CXL features.
• Own end-to-end firmware lifecycle including design, implementation, validation, release, and field support.
• Develop firmware update and recovery mechanisms (secure boot, fail-safe updates, etc.).
• Drive performance optimization and memory coherency validation for CXL-attached memory devices.
• Provide technical leadership in system architecture discussions, root cause analysis, and cross-functional reviews.
• Stay current with CXL standards, Linux kernel developments, and industry trends in memory expansion and heterogeneous computing.

Required Qualifications

• Bachelor’s or Master’s degree in Computer Engineering, Electrical Engineering, Computer Science, or related field.
• 10+ years of experience in firmware, BSP, and Linux kernel driver development.
• Strong knowledge of CXL 3.0 architecture, specifically Type-3 memory expanders and memory pooling concepts.
• Hands-on experience with Linux kernel subsystems (PCIe, CXL, memory management, DMA, MMU/IOMMU, NUMA).
• Proven experience in low-level programming (C/C++), embedded firmware, and board bring-up.
• Experience with bootloaders (e.g., U-Boot, Coreboot) and firmware update mechanisms.
• Strong understanding of hardware/firmware interaction, PCIe protocol, and system-level debugging using tools such as JTAG, and protocol analyzers.
• Experience with performance tuning, power management, and reliability features in memory systems.
• Strong leadership skills with prior experience managing or mentoring engineering teams.

Preferred Qualifications

• Contribution to Linux kernel or open-source firmware projects related to PCIe or CXL.
• Experience with volatile and persistent memory (NVDIMM, DDR5, PMem) and memory tiering architectures.
• Familiarity with secure firmware development practices (TPM, secure boot, firmware signing).
• Knowledge of cloud-scale or hyperscaler server architectures and memory expansion use cases.
• Excellent communication skills and ability to work in a global, cross-functional environment.

Contact: Uday Bhaskar

Mulya Technologies

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