Cloud HPC Network Engineer

Job Overview: We are seeking an experienced Private Cloud HPC Network Engineer to join a newly formed team responsible for the design, deployment and operation of a greenfield on-premises OpenStack private cloud environment. You will play a key role in building and evolving high-performance network infrastructure supporting HPC workloads, working across compute, storage and platform engineering teams to deliver a scalable, resilient and highly automated cloud platform.

• Location: Cambridge (Hybrid, 2 days per week onsite)
• Daily Rate: £600-£650 per day (Inside IR35 via Umbrella)
• Contract Length: 6 Months
• Start Date: ASAP

Key Responsibilities:

• Design and evolve network architecture for large-scale OpenStack private cloud and HPC environments
• Develop and support scalable Leaf-Spine network architectures using BGP, EVPN, VXLAN and ECMP
• Design networking solutions for high-performance compute, storage and latency-sensitive workloads
• Integrate physical networking infrastructure with OpenStack technologies including Neutron, OVN and ML2
• Define network architectures supporting virtual machines, bare-metal platforms and Kubernetes environments
• Perform network optimisation, benchmarking, observability and performance tuning across HPC environments
• Work closely with compute, storage and platform engineering teams to resolve complex cross-domain infrastructure challenges

Key Requirements:

• Strong experience designing and supporting HPC or large-scale compute environments using RoCE, RDMA and/or InfiniBand
• Strong knowledge of Cisco NX-OS and/or Arista EOS networking platforms
• Deep understanding of BGP, EVPN, VXLAN, ECMP, Layer 2/Layer 3 networking and Leaf-Spine architectures
• Experience with OpenStack networking services including Neutron, OVN and ML2
• Strong troubleshooting, network observability and performance tuning experience within HPC or data centre environments
• Experience with network automation, API-driven infrastructure and software-defined networking

Additional Information:

• Exposure to Kubernetes networking, Linux administration, Python, Ansible and Terraform would be highly beneficial
• Experience with SR-IOV, DPDK, SmartNICs, DPUs and NVMe-over-Fabrics is desirable
• Knowledge of network security architecture, threat modelling and SRE principles would be advantageous

Interview Process: Two-stage interview process How to Apply: If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a discussion about your career.

Hays Talent Solutions is a trading division of Hays Specialist Recruitment Limited and acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk