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Job Description

Senior Infrastructure Engineer – Hedge Fund | Up to £120,000 base

A London based hedge fund with over 20 years of consistent market performance is seeking an experienced Infrastructure Engineer to join its core technology team. Following a period of exceptional performance, the business is entering a new phase of growth — expanding towards a multi-strategy model and building a new systematic trading desk. This role will sit at the heart of the infrastructure function supporting that growth, with continued investment and a strong pipeline of technical initiatives.

The Role

You’ll join a lean, high-calibre infrastructure team responsible for the firm’s global production environment. This is a true generalist role, covering servers, networks, security, and virtualisation, with exposure to both on-prem and cloud workloads.

Key responsibilities include:

Supporting and evolving a mixed Windows and Linux server estate used by trading, research, and corporate teams Contributing to global infrastructure initiatives across security, Microsoft 365 advancements, and cloud migrations Supporting virtualised platforms and core storage systems Working closely with internal teams on infrastructure projects and BAU support Ensuring stability, security, and scalability of a mission-critical environment

The environment is fast-paced but pragmatic, with minimal red tape and a strong focus on outcomes rather than process for process’ sake.

Required Experience

Strong experience supporting both Windows and Linux server environments Solid networking fundamentals (LAN/WAN, TCP/IP, routing, firewalls) Exposure to infrastructure security principles and controls Virtualisation experience, ideally VMware Familiarity with enterprise storage platforms Minimum 5 years’ experience in infrastructure / systems engineering roles Recent experience within financial services or similar high-availability environments Comfortable operating as a hands-on infrastructure generalist

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