Senior Detection and Response Engineer
HybridCambridge, England, United Kingdom
Job Summary
Lead investigations into escalated security events, developing hypotheses, collecting evidence, and determining root cause and impact across cloud, endpoint, network, and application environments. Build and optimize detection rules, queries, and monitoring logic while developing tooling and automation to improve security telemetry and response times. Conduct threat hunting using adversary behaviors and MITRE ATT&CK frameworks, then create and continuously improve incident runbooks and detection processes based on real-world findings. Collaborate with external SOC and internal engineering teams to strengthen monitoring coverage and detection capabilities. Participate in an on-call rotation. This role strengthens Jagex's security posture to protect its 300 million-player MMORPG ecosystem as it expands into a broader multi-genre future.
Required Qualifications
- Hands-on experience investigating security incidents, including developing investigation hypotheses, collecting artefacts and analysing endpoint, network and application data
- Strong working knowledge of SIEM and security monitoring tooling, including the ability to write and develop queries for complex investigations
- Understanding of adversary tactics, techniques and procedures (TTPs), offensive security concepts and MITRE ATT&CK principles
- Practical knowledge of cloud environments and security controls, with the ability to apply detection and incident response practices across hybrid infrastructure
- Knowledge of operating system internals and forensic investigation across Windows, macOS or Linux environments
- Background developing detection logic, runbooks, automation or security tooling
- Scripting knowledge such as PowerShell or Python
- Participation in an on-call rotation
Desired Qualifications
- Experience in detection and incident response, with an engineering mindset and a passion for improving the tools, automation and processes used to investigate threats
- Scripting knowledge such as PowerShell or Python would be advantageous
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