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Security Engineer

Radley James | london, United-Kingdom | Posted June 15, 2026

Position Overview

A newly launched, technology-driven hedge fund is looking for a Security Engineer to help build its security function from the ground up.

This is a genuine greenfield opportunity where you'll have significant ownership over the firm's security architecture, tooling, and processes from day one. Working closely with senior leadership, you'll play a key role in establishing a modern security programme in a highly technical environment.

Key focus areas:

  • Build and own detection & response capabilities, including alerting, threat detection, canaries, and honeypots.
  • Design and implement security controls across cloud, infrastructure, and application environments.
  • Develop authentication, authorisation, identity, and certificate management frameworks.
  • Partner with engineering teams to embed security throughout the development lifecycle.
  • Shape the firm's long-term security architecture and strategy as the platform scales.

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