Open Select in London is seeking a hands-on Detection Engineer to build a from-scratch security detection and response capability for a fintech platform handling large daily transactions.
You will implement telemetry, tooling, and processes across AWS, on‑premise, Workforce IT and endpoints, reporting to the CISO and CTO.
Responsibilities include MITRE ATT&CK coverage, SOAR-driven containment, threat hunting, and leadership in a growing security function.
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Senior Detection & Response Engineer - From-Scratch Build in London employer: Open Select
Join a pioneering fintech in London that offers a unique opportunity to build a detection and response capability from the ground up, directly influencing the security of a platform processing over $6.5 trillion in transactions daily. With a high-trust environment and direct access to leadership, you will have the chance to shape your role while enjoying hybrid working arrangements and clear pathways for career advancement in a rapidly growing sector.
