Senior Security Engineer - Detection & Response - EU/UK

Job description

We are seeking a UK-based Senior Security Engineer to join our Security Operations and Response Team as a senior individual contributor.

In this role, you will investigate and respond to security incidents across Marqeta’s environment, proactively monitor for cyber threats, and serve as incident commander during security events of varying severity. You will contribute to the development and improvement of response methodologies aligned with the NIST Incident Response Lifecycle and help maintain cybersecurity incident response documentation. This position requires strong expertise in incident response, digital forensics, threat hunting, and security monitoring technologies. You will collaborate across teams, contribute to detection engineering efforts, and participate in 24x7 on-call rotations. The role reports to the Manager of Security Operations and Response.

This role can be performed remotely anywhere in the UK, or from our London, UK office. We'd love for you to join us!

The Impact You’ll Have

• Proactively monitor Marqeta’s environment for cyber threat activity and manage day-to-day security alerts through timely analysis, triage, and appropriate response actions
• Serve as incident commander during security events, directing investigation strategies and coordinating cross-functional response efforts
• Execute incident response activities aligned with the NIST Incident Response Lifecycle to detect, contain, eradicate, recover, and learn from cybersecurity incidents
This is an excerpt. Read the full job description on Marqeta careers →