This role has been designed as ‘Hybrid’ with an expectation that you will work on average 2 days per week from an HPE office.
Who We Are:
Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today’s complex world. Our culture thrives on finding new and better ways to accelerate what’s next. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you. Open up opportunities with HPE.
Job Description:
High Performance Computing, AI and Labs is a critical element of HPE. We are focused on delivering innovative 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 you'll do:
Key Responsibilities
Architect and implement libfabric CXI providers (user-space and kernel-assisted paths):
Endpoint, MR, CQ, and queue models
SR-IOV-aware abstractions and resource sharing
Develop and maintain libcxi and related user-space libraries:
Efficient interaction with the CXI User Driver
Retry handling, error propagation, and performance tuning
Enable and optimize CXI support across ecosystem components:
MPI (OpenMPI, MPICH)
NCCL / RCCL / GPU-aware communication
SHMEM, storage, and AI frameworks
Drive performance engineering:
Latency, bandwidth, and scaling across multi-NIC and multi-GPU systems
Benchmarking, profiling, and customer workload analysis
Collaborate with kernel driver teams to co-design clean, scalable APIs
Contribute to upstream communities (libfabric, OpenMPI, NCCL) as appropriate
Provide technical leadership through design reviews, mentoring, and roadmap definition
What you need to bring:
Required Qualifications
10+ years of experience in systems or user-space networking software
Strong expertise in:
libfabric, RDMA concepts, or high-performance communication APIs
C/C++ systems programming
Deep understanding of user/kernel interaction models and performance tradeoffs
Experience debugging complex distributed and multi-node systems
Preferred Qualifications
Experience with HPC or AI communication stacks (MPI, NCCL, SHMEM)
GPU-aware networking and GPUDirect-style architectures
Familiarity with virtualization or SR-IOV impacts on user-space libraries
Alternate / Equivalent Skill Set (Network Operating Systems Background)
Candidates with a strong Network Operating System (NOS) background may be considered, provided they demonstrate deep systems expertise and the ability to work close to hardware and performance-critical paths.
Relevant Experience Includes
Hands-on development experience with carrier-grade or data-center NOS platforms, such as:
Cisco IOS-XR
Juniper Junos
Arista EOS
Or equivalent Linux-based network operating systems
Strong understanding of Linux kernel and user-space interactions in networking stacks:
Netlink, netdev, sockets, offload paths
Kernel modules, drivers, or platform abstraction layers
Experience working with high-performance data plane components, including:
Packet processing pipelines
Queueing, scheduling, QoS, and congestion management
Hardware offloads and ASIC-facing software layers
Additional Skills:
Cloud Architectures, Cross Domain Knowledge, Design Thinking, Development Fundamentals, DevOps, Distributed Computing, Microservices Fluency, Full Stack Development, Security-First Mindset, Solutions Design, Testing & Automation, User Experience (UX)What We Can Offer You:
Health & Wellbeing
We strive to provide our team members and their loved ones with a comprehensive suite of benefits that supports their physical, financial and emotional wellbeing.
Personal & Professional Development
We also invest in your career because the better you are, the better we all are. We have specific programs catered to helping you reach any career goals you have — whether you want to become a knowledge expert in your field or apply your skills to another division.
Unconditional Inclusion
We are unconditionally inclusive in the way we work and celebrate individual uniqueness. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good.
Let's Stay Connected:
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EngineeringJob Level:
TCP_05
HPE is an Equal Employment Opportunity/ Veterans/Disabled/LGBT employer. We do not discriminate on the basis of race, gender, or any other protected category, and all decisions we make are made on the basis of qualifications, merit, and business need. Our goal is to be one global team that is representative of our customers, in an inclusive environment where we can continue to innovate and grow together. Please click here: Equal Employment Opportunity.
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