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# HPC Network Engineer - Banking & Finance

- **Company:** Hamilton Barnes
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Big Data, Data Centers, Distributed Systems, Python (Programming Language), Network Troubleshooting, Network Layer, Multicasting, Network Architecture, Packet Analyzer, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Ansible, Tcpdump, Wireshark, Computer Network Operations, Open Network Automation Platform, Cisco
- **Published:** August 30, 2026
- **Apply:** https://www.collegerecruiter.com/job/2830498659-hpc-network-engineer-banking--finance

## About the Role

* 10+ years' experience designing and supporting enterprise-scale or data centre networks.
 * Strong expertise across BGP, OSPF, VXLAN, spine-leaf architectures, and multicast.
 * Experience with high-performance switching platforms such as Arista, Cisco, NVIDIA/Cumulus, or SONiC.
 * Strong understanding of network architecture, capacity planning, and large-scale infrastructure design.
 * Experience using packet analysis tools such as Wireshark or tcpdump.
 * Exposure to network automation using Python, Ansible, or similar technologies.

## Description

* Design, deploy, and optimise large-scale data centre and HPC network environments.
 * Build and support high-performance, low-latency infrastructure across global locations.
 * Drive improvements around network scalability, performance, reliability, and capacity planning.
 * Automate network operations through scripting and tooling improvements.
 * Troubleshoot complex Layer 2/Layer 3 networking issues in highly distributed environments.
 * Develop technical documentation and contribute to engineering standards.
 * Mentor and support junior engineers while influencing future network strategy.


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