We tackle the most complex problems in quantitative finance by bringing scientific clarity to financial complexity. From our London HQ, we unite top researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas. As part of our engineering team, you’ll shape the platforms and tools that drive high-impact research - designing systems that scale, accelerate discovery and support innovation across the firm. Take the next step in your career. The role G-Research is going through an exciting period of growth in our co-location and low-latency platform. As part of our transformation, we are looking for a highly skilled low latency network engineer to join our Colo Infrastructure team. You will design and build highly available network solutions for our low latency platform as well as the tooling and workflows to ensure the infrastructure is robust, observable and engineered for speed and availability. The infrastructure is highly automated and you will maintain and develop this automation to enable rapid deployment of new infrastructure whilst maintaining reliable operations. Key responsibilities of the role include: Designing and building new co-location network solutions to meet the needs of the platform Optimise the performance, latency and throughput of the infrastructure Lifecycle management and monitoring of Colo Network environment Developing automation and operators to build and extend the infrastructure Working with other platform and development teams to help define standards, best practices and onboard new capabilities onto the platform Contributing to incident response and production reliability On-call responsibilities for the most critical parts of the infrastructure Who are we looking for? We’re looking for a skilled network engineer with technical experience of managing high performance, low latency, scalable and resilient network infrastructure solutions. The ideal candidate will have the following skills and experience: Designing and building highly available, mission critical networks Optimising low latency networks (including layer 1 switching, RF, LEO, dark fibre), timing solutions (using GPS, PTP, PPS, White Rabbit and NTP) Building packet capture and analysis solutions (including optical taps, SPAN, tap aggregation and timestamping) Running product evaluation and testing Building networks and market connectivity in exchange collocations Evaluating WAN connectivity options for optimal diversity and latency Multicast configuration and troubleshooting In-depth understanding of automation tools, including Git, Python, Jenkins and Ansible Why join us? Highly competitive compensation plus annual discretionary bonus Lunch provided (via Just Eat for Business) and dedicated barista bar 35 days’ annual leave 9% company pension contributions Informal dress code and excellent work/life balance Comprehensive healthcare and life assurance Cycle-to-work scheme Monthly company events G-Research is committed to cultivating and preserving an inclusive work environment. We are an ideas-driven business and we place great value on diversity of experience and opinions. We want to ensure that applicants receive a recruitment experience that enables them to perform at their best. If you have a disability or special need that requires accommodation please let us know in the relevant section At G-Research, we are passionate about the intersection of finance, technology, and the future. We offer a dynamic, flexible and highly stimulating culture where world-beating ideas are cultivated and rewarded. We are proud to employ some of the best people in their field and to nurture their talent in our collaborative working environment.

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19 Jan, 2026

Performance Engineering Manager

Leadership
Engineering

London, United Kingdom

Salary not listed

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