Senior Security Engineer - Crowdstrike

Company: Marlin Selection Recruitment

Location: London

Posted: April 11th, 2026

Overview

Base pay range. A great opportunity for a Security Engineer to join a growing Financial Services Firm in London in a Hybrid working role. We are a Commodities focused Financial Services Firm based in London with offices in the US and Asia. We are seeking a Senior Security Engineer to join our London team.

Reporting to the IT Security Officer, you will work alongside the IT Security Engineer as part of a small IT Security team. As the Senior Security Engineer, you will implement and maintain robust security systems and protocols across the IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. You will help mentor and develop the IT security engineer and collaborate with the IT team to ensure compliance with security standards and best practices; you will essentially be a key technical leader in safeguarding sensitive data and systems.

Key responsibilities

The successful candidate will have working knowledge and experience in managing the following technology stack:

Experience using the following technology stack would be advantageous; understanding the principles is required.

Location and hours

Job details

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