Location: London (Hybrid)
Salary: Up to $500,000
We're partnering with a global leader in high-frequency trading to hire an experienced Senior Network Engineer to design, build, and scale the next generation of high-performance network infrastructure powering mission-critical trading environments.
You'll play a key role in shaping network architecture, delivering large-scale data centre solutions, and working alongside world-class engineers to build infrastructure that operates at the cutting edge of technology and finance.
What you'll be doing:
- 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.
What we're looking for:
- 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.
- Exposure to network automation using Python, Ansible, or similar technologies.
Why apply?
Work on some of the most advanced low-latency networking challenges in the world.
Join a highly technical engineering team at the forefront of high-frequency trading technology.
Have direct influence over architecture, automation, and next-generation infrastructure.
- Build systems where every microsecond matters.
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HPC Network Engineer in London employer: Hamilton Barnes
Hamilton Barnes is an exceptional employer for those passionate about live sports broadcasting, offering a dynamic work environment that thrives on teamwork and innovation. With opportunities for professional growth and development in cutting-edge technology, employees enjoy a supportive culture that values their contributions, all while being part of the excitement surrounding Premier League matchday coverage. The shift-based nature of the role allows for flexibility, and the potential for overtime ensures that hard work is rewarded.
