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# 3rd Line Security Analyst - Hybrid - Reading Sentinel Defender XDR CrowdStrike

- **Company:** Global Technology Solutions Ltd.
- **Location:** Reading, UK
- **Experience:** Expert
- **Salary:** £50,000.0 - £60,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Amazon Web Services, Microsoft Azure, Cloud Computing, Cyber Security, Python (Programming Language), Windows PowerShell, Kusto Query Language, Computer Network Technologies, Mitre Att&ck, Malware, Firewalls (Computer Science), Microsoft InTune, Cybercrime, Cyber Warfare, Operating System Security, Vulnerability Analysis
- **Published:** September 30, 2026
- **Apply:** https://www.reed.co.uk/jobs/3rd-line-security-analyst-hybrid-reading-sentinel-defender-xdr-crowdstrike/57406553

## About the Role

· Substantial SOC, cyber operations or security engineering experience.

· Hands-on Sentinel, Defender XDR and CrowdStrike expertise.

· Incident response, malware analysis, forensics and threat hunting.

· Advanced KQL; PowerShell and/or Python automation.

· Entra ID, Conditional Access, Intune and Microsoft 365 security.

· Cloud and networking knowledge; MITRE ATT&CK, NIST and SANS frameworks.

· CISSP desirable., * Communication Skills (Key)

 * Health and Safety Principles
 * Incident Response
 * Infrastructure Management
 * Next-Generation Firewalls
 * Operating System Security
 * Risk Analysis
 * Security Incident & Event Management
 * Self-Motivation
 * Vulnerability Assessment

## Description

Senior technical authority in Security Operations, improving security engineering, detection and response while supporting the wider team.

· Lead serious incidents, forensic investigations and root cause analysis.

· Develop detections, automation and orchestration; conduct proactive threat hunting.

· Engineer Sentinel, Defender XDR, CrowdStrike Falcon, Entra ID, Intune and Darktrace.

· Support Microsoft 365, Azure, AWS, identity and endpoint security.

· Maintain documentation, support compliance and mentor colleagues.


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