Senior CSIRT Analyst

The role

As a Senior CSIRT Analyst you will play a key role in G-Research’s Cyber Security Incident Response Team (CSIRT), specialising in cloud detection and response across AWS and hybrid environments.

You will investigate, respond and proactively hunt for threats across a diverse technology landscape, including high-performance compute clusters, Kubernetes and containerised infrastructures, and corporate Windows environments.

You will use cloud-native security tooling and multi‑SIEM operations, such as Elastic, Azure, AWS, to strengthen detection and response capabilities. You will also participate in purple team and red team exercises, continuously validating and improving the team’s effectiveness against advanced adversaries.

As a senior member of the team, you will also mentor junior analysts, contribute to automation initiatives and support the on‑call escalation rota for out‑of‑hours response.

Key responsibilities

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