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Security Engineer - Detection & Response | Leading Global Investment Group

Techfellow Limited | london, United-Kingdom | Posted June 08, 2026

Position Overview

(Up to c. £350k Comp Package | Hybrid Working - 4 Days in Office)


Role Overview


We’re representing a high-calibre quantitative investment firm building a new security function alongside a completely refreshed technology environment. This is a rare opportunity to shape Detection & Response properly from day one, rather than inherit a noisy SIEM, half-owned tooling and legacy processes. The role suits a deeply technical security engineer who understands systems at a low level, has strong opinions on telemetry and detection architecture, and can turn those opinions into production-grade capability. You’ll work closely with senior security leadership to design the data, tooling, automation and response foundations that protect a fast-moving investment platform...


Key Responsibilities


  • Define and build the firm’s Detection & Response capability across endpoint...

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