Hybrid Security Engineer – Defend Critical Trading Systems

Company: XTX Markets
Apply for the Hybrid Security Engineer – Defend Critical Trading Systems
Location: London
Job Description:

XTX Markets in London is seeking a hands-on Information Security Engineer to join the Security team. You will work with software engineers to identify security flaws, design technical solutions, and help maintain a defensive mindset across our systems.

The role covers requirements gathering, prototyping, and building internal tools and infrastructure, with exposure to compliance tasks and broad security projects across the firm.

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Posted: August 17th, 2026