Senior Security Analyst

Ll Oefentherapie; Reading; On-site; GBP 60,000 - 80,000; Full time

Job summary

A technology-driven security firm in the UK is seeking a security operations professional to manage incidents, analyze evidence, and improve detection processes. The role demands strong analytical skills, experience in triage and incident management, and a keen interest in AI and machine learning. Must have at least a Master’s degree in a relevant field and be eligible to work in the UK without sponsorship. Join a collaborative team to enhance security operations and leverage AI technologies.

Qualifications

• Must have experience in incident management performance tracking and reporting.
• Proven ability to partner with architects to improve detections.
• Strong interest in AI/ML and experience with threat intelligence management.

Responsibilities

• Conduct triage and investigation for security events and incidents.
• Analyze logs and manage evidence gathering effectively.
• Provide remediation and resolution advice for incidents.

Skills

Security events and incidents triage and investigation

Logs management, analysis and correlation

Critical reasoning about AI behavior

Strong analytical skills

Communication skills

Education

Master's or PhD in Computer Science, Information / Cyber Security, AI

Tools

Python

Job description

About the Role

Main duties / Must have:

• Security events and incidents triage and investigation
• Investigation evidence gathering and analysis
• Logs management, analysis and correlation
• Building incident timeline
• Event and incident impact and risk assessment, categorisation and prioritisation
• False / true positives identification and trend analysis. False positives root cause identification
• Incident management performance tracking, metrics and reporting, trend analysis, problem root cause analysis, improvements proposals.
• Alerting and detection fine tuning
• Remediation / resolution advice
• Incident escalations and resolution tracking
• Partner with architects to improve detections and alerting fidelity and quality
• Partner with security operations and engineering teams to improve automation and tooling
• Continuously improve systems, reporting mechanisms, and security processes
• Technical knowledge sharing, education and coaching for the team members

Nice to have / Desirable:

• Threat intelligence management experience
• Threat hunting experience
• Automation experience, ideally for security operations and incidents management or logs management.
• Python coding skills
• Experience of working with significant volumes of data – processing, analysis and inspection
• Exposure to AI research, experimentation with language models, or large-scale predictive/generative systems.
• Insights on AI behaviour, interpretability, and limitations to improve tooling accuracy and automation.
• Strong interest in AI and ML, particularly language models, generative AI, and predictive systems.
• Ability to reason critically about AI behavior, limitations, and emergent properties.
• Experience or interest in applying AI/ML techniques to security tooling, automation, or program analysis.
• Comfort exploring abstract computational concepts such as feedback loops and probabilistic reasoning.
• Interest in the intersection of human cognition, learning systems, and algorithmic reasoning.
• Strong analytical and communication skills
• Experience working with geographically distributed teams.
• Experience of leading / coordinating the work of a small group of engineers / analysts
• Master’s or PhD in Computer Science, Information / Cyber Security, AI

Must be eligible to work in UK without sponsorship.