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Principal Software Engineer – CXI Drivers & Kernel Networking

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Hewlett Packard Enterprise

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Location:
India , Bangalore

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Principal Software Engineer – CXI Drivers & Kernel Networking. This role is part of High Performance Computing, AI and Labs, a critical element of HPE focused on delivering innovative solutions that accelerate customers’ digital transformation, enabling them to tackle complex, and data-intensive workloads.

Job Responsibility:

  • Architect, 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
  • Collaborate closely with ASIC, firmware, and validation teams to deliver Chip-to-Ship outcomes
  • Act as a technical leader: Design reviews, code reviews, mentoring senior engineers, Influence long-term driver architecture and roadmap

Requirements:

  • 10+ years of systems software experience with deep expertise in Linux kernel development
  • Strong experience with: PCIe, DMA, interrupts, memory management
  • Strong experience with: 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

Nice to have:

  • 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
What we offer:
  • Health & Wellbeing: comprehensive suite of benefits that supports physical, financial and emotional wellbeing
  • Personal & Professional Development: specific programs catered to helping you reach any career goals
  • Unconditional Inclusion: unconditionally inclusive in the way we work and celebrate individual uniqueness

Additional Information:

Job Posted:
February 16, 2026

Work Type:
Hybrid work
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