Senior Detection and Response Engineer

Jagex

Senior engineer strengthening Jagex’s RuneScape gaming security through threat detection and incident response. Building detections, automation, tooling and investigation processes across hybrid cloud, endpoint, network and application environments.

Posted 8/18/2026full-timeCambridge • 🇬🇧 United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in investigating security incidents, developing detection logic, and applying security controls across cloud and hybrid environments. Proficient in utilizing frameworks like MITRE ATT&CK and enhancing security telemetry through automation and tooling.

Highest-signal resume keywords

Incident InvestigationDetection Logic DevelopmentMITRE ATT&CK FrameworkSIEM ToolingCloud Security Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security Incident InvestigationDetection Rule DevelopmentThreat HuntingForensic InvestigationScripting (PowerShell, Python)

Tools & Technologies

SIEMSecurity Monitoring ToolingAutomation Tools

Industry Keywords

Adversary TacticsTTPsCloud EnvironmentsHybrid InfrastructureIncident Response

Tech Stack

Tools & technologies

CloudLinuxMacOSPython

About the role

Key responsibilities & impact

Lead investigations into escalated security events and incidents, developing hypotheses, collecting evidence and determining root cause and impact.
Build and optimise detection rules, queries and monitoring logic across cloud, endpoint, network and application environments.
Develop tooling and automation to improve security telemetry, alert enrichment, investigation workflows and response times.
Conduct threat hunting using adversary behaviours, TTPs and frameworks such as MITRE ATT&CK, incorporating findings into security controls and detections.
Create and continuously improve incident runbooks, playbooks and detection processes based on findings from real-world investigations.
Work with the external SOC and internal engineering teams to strengthen monitoring coverage, investigate escalations and continuously improve detection and response capability.
Participate in an on-call rotation.

Requirements

What you’ll need

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.
Background developing detection logic, runbooks, automation or security tooling.
Knowledge of operating system internals and forensic investigation across Windows, macOS or Linux environments.
Scripting knowledge such as PowerShell or Python would be advantageous.

Benefits

Comp & perks

Private Healthcare, including Dental Plan.
Discretionary annual performance bonus.
Minimum 6% Pension contributions.
Life Insurance.
Enhanced family leave policies from day 1.
Flexible working hours.
25 days annual leave + Bank holidays & the option to buy/sell holidays + so much more!