Senior Cyber Security Analyst
Wokingham (On-site, 5 days per week)
£65,000 + benefits
We're supporting a major organisation operating within a Critical National Infrastructure (CNI) environment to hire a Senior Cyber Threat Hunter Specialist. This is a hands-on, high-impact role embedded within a mature Security Operations Centre, focused on protecting essential services.
The Opportunity
You'll play a key role in real-time threat detection and response, working across a complex enterprise environment. This position combines SOC operations, threat hunting, and continuous improvement, giving you the chance to influence detection capability and response maturity.
What You'll Be Doing
Monitoring & Triage
Analyse and triage security alerts using SIEM platforms
Correlate events and identify patterns across multiple data sources
Assess severity, scope, and business impact
Investigation & Analysis
Conduct detailed investigations across endpoint, network, identity, and log data
Build evidence-led timelines and document findings clearly
Apply forensic principles (process activity, persistence, lateral movement)
Incident Response
Manage incidents from detection through to escalation
Support containment and mitigation activities where required
Ensure high-quality handover to incident response teams
Continuous Improvement
Deve...