Senior Security Incident Responder

Job Summary

The Senior Security Incident Responder is a lead technical authority for incident response execution, responsible for handling the most complex, high-impact, and business-critical security incidents across WPP. The role does not have line management responsibility; people management remains with the Security Incident Management Lead.

What you'll be doing

• Advanced Incident Detection, Analysis Response
  • Lead investigations for high-severity and complex security incidents.
  • Perform deep technical analysis using SIEM, SOAR, EDR/XDR, identity, email, and cloud telemetry.
  • Execute and oversee containment, eradication, and recovery actions.
  • Act as technical incident commander when delegated.
• Escalation Handling Stakeholder Coordination
  • Serve as the primary escalation point for complex incidents.
  • Coordinate with Legal, Privacy, Risk, Technology Operations, and agency teams.
  • Provide clear technical updates to senior stakeholders.
• Forensics, Evidence Handling Assurance
  • Lead forensic evidence collection, preservation, and analysis.
  • Ensure documentation and artefacts are audit-ready.
  • Support external forensic or law-enforcement engagement when required.
• Quality Assurance, Playbook Maturity Continuous Improvement
  • Review incident handling quality and identify process or tooling gaps.
  • Improve incident response playbooks and SOPs.
  • Lead or support post-incident reviews and ensure actions are tracked.
• Technical Leadership Capability Uplift
  • Mentor Security Incident Responders without line management responsibility.
  • Partner with Detection Engineering, Threat Intelligence, Automation, and VM teams.
  • Identify opportunities for automation and response optimisation.

What you\'ll need

Essential

• Extensive hands-on experience responding to enterprise-scale security incidents.
• Deep technical expertise across SIEM, SOAR, EDR/XDR, identity, email, and cloud platforms.
• Strong forensic, investigation, and root cause analysis skills.
• Ability to operate calmly under pressure and communicate clearly.

Desirable

• Experience acting as incident commander or senior escalation point.
• Familiarity with MITRE ATTCK and threat-led response.
• Relevant certifications (GCIH, GCFA, GCED, CISSP).

Who you are

• You're open: we are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working.
• You're optimistic: we approach all that we do with confidence: to try the new and to seek the unexpected.
• You're extraordinary: We are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day.

What we\'ll give you

• Passionate, inspired people - we champion a culture of people that do extraordinary work
• Scale and opportunity - we offer the opportunity to create, influence and deliver projects at a scale that is unparalleled in the industry.
• Challenging and stimulating work - unique work and the opportunity to join a group of creative problem solvers.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.