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AfterDuty

Senior Security Monitoring and Response Analyst

Mastercard · London, Greater London

Type
Full-time
Posted
10 days ago

Overview

Your investigative discipline and evidence handling translate to incident response, but deep technical SOC skills are required.

About this role

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title And Summary

Senior Security Monitoring and Response Analyst

Overview

Mastercard Vocalink is looking for a driven and motivated Senior Security Operations Analyst with Incident Response capabilities, to contribute to securing critical payments infrastructure in the UK.

In this role you’ll be responsible for triaging alerts and responding to security incidents. When not actively engaged in ongoing incidents, the team works on the improvement and streamlining of the detection and response function.

Role Responsibilities

Providing monitoring coverage, triage and investigation of escalated alerts (T3) from various sources.

Responding to cybersecurity incidents through critical thinking, defining, and applying playbook responses

Applying root cause analysis and lessons learned to improve security posture and processes

Working closely with security engineering, threat intelligence, insider threat and a managed SOC service, providing critical feedback to improve and automate monitoring and response

Strong collaboration with the team to develop knowledge base, playbook and use cases.

Proactive initiatives and project-related support by providing subject matter expertise

Ability to work independently as well as collaborate with different teams to assess impact, mitigate risk, and resolve security incidents.

Qualifications

Required Experience

Direct experience in a Security Operations Center (SOC).

Experience working in an incident response or digital forensics role.

Demonstrated Experience With Cybersecurity Related Disciplines, Not Limited To

e.g. vulnerability research, network traffic analysis, static and dynamic malware analysis, digital forensics, memory analysis, web-security and threat hunting.

Preferred Experience

Experience in creating queries and alerts in a SIEM, preferably in SPL.

Experience with Windows/Unix OS forensics.

Experience with Cloud Security (Azure, AWS, GCP).

Experience working with NDR/EDR solutions

Familiarity with Indicators of Compromise (IoCs), Indicators of Attack (IoAs), ATT&CK Tools, Techniques and Procedures (TTPs).

Strong interpersonal skills, including good communication with the ability to articulate ideas in a precise and concise manner.

CISSP, GIAC certifications or equivalent.

The Ideal candidate is a technically inclined and experienced security specialist who enjoys working in a fast-paced collaborative team environment.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard’s security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

About security roles for ex-police

Security management, operations and consultancy roles. Years of operational policing — command, incident response, public order — translate directly into corporate security, and employers in this sector actively rate police experience.

See all security jobs in London

Why this fits a police background

  • Intelligence & OSINT
  • Incident command & response
  • Investigative casework
  • Digital forensics & cybercrime
  • Security operations

What security roles pay ex-police

Advertised UK ranges, editorial estimates reviewed July 2026

Security officer (SIA)£24,000–£29,000
Security supervisor / team leader£28,000–£34,000
Site / security manager£38,000–£52,000
Regional / operations security manager£50,000–£65,000
Full security salary guide →

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