Senior Security Analyst

Salary: £50,000 – 60,000 per year

Requirements

• Solid experience in a Security Operations or SOC environment
• Hands‑on experience with SIEM, EDR and SOAR platforms
• Proven detection engineering and SIEM rule‑tuning experience
• Strong grasp of MITRE ATT&CK and similar threat frameworks
• Experience automating processes with Python, Logic Apps or APIs
• Comfortable investigating incidents across cloud, identity and endpoint environments
• Experience with platforms like Microsoft Sentinel, Defender XDR, CrowdStrike or similar
• Knowledge of Azure/AWS security monitoring
• Understanding of ISO 27001 and Cyber Essentials
• CISSP or similar certification desirable but not essential

Responsibilities

• Own security incidents end to end, including triage, investigation, remediation and closure
• Run advanced investigations across SIEM, EDR and XDR platforms
• Design and tune SIEM detection rules to reduce false positivesMap detection and response work against the MITRE ATT&CK framework
• Build automated security workflows using tools like Logic Apps, Python and APIs
• Proactively threat hunt using behavioural analytics and threat intelligence
• Monitor and respond to security events across Azure, Microsoft 365 and AWS
• Investigate identity‑based threats such as suspicious sign‑ins and privilege escalation
• Support endpoint security, including EDR, AV and patching
• Act as an escalation point for complex or high‑risk incidents
• Support ISO 27001 and Cyber Essentials compliance
• Mentor junior analysts and the wider service desk team

Technologies

• AWS
• Azure
• Cloud
• Support
• Microsoft 365
• Python
• Security
• Office 365

More

We are a well-established managed services organisation in Reading, offering a hybrid working arrangement and a salary of £50,000 to £60,000 per annum. We are growing our SOC function and looking for a hands‑on Senior Security Analyst who enjoys detection and response, incident investigation, automation, and threat hunting across cloud, identity and endpoint environments.

last updated 28 week of 2026

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