Lead Incident Response Engineer – Frontier AI Security

Fluidstack; City Of London; On-site; GBP 100,000 - 170,000; Full time

Job summary

Fluidstack seeks a senior security incident response leader to own end-to-end incident management across corporate, cloud, and data-center environments. You will design detection logic, playbooks, and forensic tooling to rapidly contain threats and prevent recurrence.

You will run advanced investigations across cloud, endpoint, network, and physical systems, produce executive-ready postmortems, and drive program improvements with cross-functional teams.

Qualifications

• Led major security incidents from detection to resolution.
• Built detection logic and response playbooks.
• Ran digital forensics across cloud, endpoint, and network.
• Established incident response program end-to-end.
• Wrote incident reports and postmortems for executives.
• Bonus: defense of high-value targets and cloud-native forensics experience.

Responsibilities

• Lead incident response end to end across corporate, cloud, and data center environments.
• Develop detection logic, response playbooks, and tooling for fast containment.
• Investigate threats by correlating signals from cloud, endpoint, network, and physical systems.
• Define severity models and on-call rotations; establish escalation paths to leadership.
• Drive permanent improvements by closing gaps with security and IT teams.

Skills

Incident response

Threat hunting

Digital forensics

Detection engineering

Post-incident reviews

Executive communication

Tools

SIEM

SOAR

Cloud forensics (AWS/GCP)

Job description

Fluidstack seeks a senior security incident response leader to own end-to-end incident management across corporate, cloud, and data-center environments. You will design detection logic, playbooks, and forensic tooling to rapidly contain threats and prevent recurrence.

You will run advanced investigations across cloud, endpoint, network, and physical systems, produce executive-ready postmortems, and drive program improvements with cross-functional teams.