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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # HPC Network Engineer - **Company:** La Fosse - **Location:** Greater London, UK - **Contract:** Temporary contract - **Skills:** Border Gateway Protocol, Cloud Computing, Cloud Engineering, Data Centers, Linux, Ethernet, InfiniBand, Python (Programming Language), Network Security, Network Layer, Network Architecture, Network Service, OpenStack, Performance Tuning, Remote Direct Memory Access, Ansible, Virtual Machines, Private Cloud Environment, High Performance Computing, Computer Network Technologies, Nx-os, Openstack Neutron, Kubernetes, Bare Metal, Api Design, Terraform, Open Network Automation Platform, Cisco, Network Optimization, Nvme - **Published:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2858100503-hpc-network-engineer ## About the Role * Strong experience designing and supporting high-performance or large-scale compute environments using RoCE, RDMA or InfiniBand. * Strong experience with Cisco NX-OS and/or Arista EOS. * Deep understanding of BGP, Leaf-Spine architectures, Layer 2/Layer 3 networking, ECMP, EVPN, VXLAN and network resilience. * Experience with technologies such as SmartNICs, DPUs and NVMe-over-Fabrics. * Practical experience with OpenStack networking services and API-driven network automation. * Strong HPC network observability, troubleshooting and performance tuning skills. Nice to Have * Strong Linux and Kubernetes networking knowledge. * Exposure to SR-IOV and DPDK. * Hands-on Python, Ansible and Terraform experience. * Experience applying SRE principles, including SLI/SLO development and error budgets. ## Description We are looking for a Private Cloud HPC Network Engineer to join a newly formed Private Cloud team, responsible for designing, deploying and operating a new greenfield on-premises private cloud based on OpenStack. You will play a key role in designing, building and evolving the high-performance network architecture underpinning the platform, supporting demanding HPC workloads. This is a hands-on technical role combining deep data-centre and HPC networking expertise with modern cloud networking, software-defined infrastructure and automation. You will work closely with compute, storage and platform engineering teams to deliver a scalable, resilient and highly automated cloud infrastructure., * Design and evolve network architecture, standards and patterns for large-scale OpenStack Private Cloud and HPC environments. * Develop scalable Leaf-Spine architectures using BGP, EVPN, VXLAN and ECMP. * Design high-performance networking for compute, storage and latency-sensitive workloads. * Evaluate technologies including RoCE, RDMA, SR-IOV, SmartNICs, DPUs and high-performance Ethernet. * Integrate physical network infrastructure with OpenStack networking services including Neutron, OVN and ML2. * Define network architecture for virtual machines, bare-metal workloads and Kubernetes platforms. * Perform network performance analysis, optimisation, benchmarking and technical evaluation of networking technologies and vendors. * Lead network security architecture and threat modelling. * Troubleshoot complex cross-domain issues spanning networking, compute, storage and HPC applications. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [The Gashlycrumb Tinies of AI Networking You Must Know (or Languish!)](https://www.wearedevelopers.com/videos/2067-the-gashlycrumb-tinies-of-ai-networking-you-must-know-or-languish) - [A Deep Dive on How To Leverage the NVIDIA GB200 for Ultra-Fast Training and Inference on Kubernetes](https://www.wearedevelopers.com/videos/1625-a-deep-dive-on-how-to-leverage-the-nvidia-gb200-for-ultra-fast-training-and-inference-on-kubernetes) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Running Secure Life Science Research at Scale using Hybrid GPU HPC and Kubernetes 🧬](https://www.wearedevelopers.com/videos/100355-running-secure-life-science-research-at-scale-using-hybrid-gpu-hpc-and-kubernetes) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Top 6 Hackathons for Developers in 2023](https://www.wearedevelopers.com/magazine/263-top-6-hackathons-for-developers-in-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)