Senior CSIRT Analyst — Cloud Security & Incident Response

G-Research; Greater London; On-site; GBP 80,000 - 110,000; Full time

Benefits offered by this job

Annual discretionary bonus

Lunch provided (via Just Eat for Work)

35 days’ annual leave

9% company pension contributions

Healthcare and life assurance

Job summary

G-Research is seeking a Senior CSIRT Analyst to join its Cyber Security Incident Response Team. You will investigate, respond, and proactively hunt threats across AWS, cloud, and hybrid environments while mentoring junior analysts and contributing to automation efforts.

The role covers red and purple team exercises, on-call duties, and collaboration with engineering to strengthen detection and response capabilities. Experience in cloud-native security is essential.

Qualifications

• Significant experience in cyber incident response, detection engineering or CSIRT operations.

Responsibilities

• Investigating and responding to complex security incidents across cloud, hybrid, and on-premise environments.

Skills

Incident Response

Cloud Security

AWS

Azure

SIEM

Red Team

Purple Team

Python

Automation

MITRE ATT&CK

Mentoring

Threat Hunting

Analytical Skills

Cross-team Collaboration

Tools

Tines

Job description

G-Research is seeking a Senior CSIRT Analyst to join its Cyber Security Incident Response Team. You will investigate, respond, and proactively hunt threats across AWS, cloud, and hybrid environments while mentoring junior analysts and contributing to automation efforts.

The role covers red and purple team exercises, on-call duties, and collaboration with engineering to strengthen detection and response capabilities. Experience in cloud-native security is essential.