We are focused on delivering cutting-edge solutions that accelerate our customers digital transformation, enabling them to tackle their complex, and data-intensive workloads. Combining deep expertise and the development of the world s most cutting-edge, high-performance supercomputers, is defining the next era of computing delivering valuable insight innovation. Join us and redefine what s next for you.

What youll do:
Develop, and maintain Linux kernel drivers for the CXI interconnect, including:
CXI Core Driver (shared hardware abstraction and resource management)
CXI User Driver (user-space access, queue management, protection domains)
CXI Ethernet Driver (IP, RXE, sockets integration)
Lead 800G CXI driver development :
resource partitioning
Interaction with IOMMU, PCIe, and virtualization stacks
Own kernel interfaces used by:
Lustre/LNet (kCXI, kfabric provider)
Verbs / RXE paths
User-space libraries (libcxi, libfabric providers)
Drive performance, scalability, and reliability improvements:
Low-latency paths, queueing models, retry/timeout handling




Error reporting, recovery, and fault isolation

What you need to bring:
10+ years of systems software experience with deep expertise in Linux kernel development
Robust experience with:
PCIe, DMA, interrupts, memory management
Linux networking stack (netdev, IP, sockets, RDMA/RXE)
Hands-on experience with Switch or NIC Software Stacks, especially in the low-level kernel and user space
Proven ability to debug complex kernel + hardware interactions
Excellent C programming and kernel debugging skills

Preferred Qualifications
Experience with HPC or AI networking (RDMA, libfabric, MPI, storage fabrics)
Familiarity with Lustre/LNet or high-performance storage stacks
Experience working with custom NICs or ASIC-based interconnects

Additional Skills:

Cloud Architectures, Cross Domain Knowledge, Design Thinking, Development Fundamentals, DevOps, Distributed Computing, Microservice

📌 Senior Software Engineer Cxi Drivers Bengaluru
🏢 Hewlett Packard Enterprise
📍 Bengaluru