Senior Azure Security Engineer — Hybrid, London (1 day/mo)

Myn; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Myn is seeking a Senior Azure Security Engineer to join our Cyber Security team in London, with hybrid work and one day a month in the office. You will be the go-to expert for Azure security, Defender XDR, and Microsoft Sentinel, shaping how we monitor and secure our estate.

You’ll design and implement security controls, automate responses, and collaborate across security, infrastructure and architecture teams to keep our hybrid environment resilient.

Qualifications

• Azure security engineering experience in a large enterprise (essential).
• Hands-on Microsoft Sentinel and Defender XDR expertise (essential).
• Entra ID security experience incl. CA, PIM, Identity Protection (essential).
• Experience onboarding telemetry via Azure Monitor, Log Analytics, Data Collection Rules.
• Desirable: Azure landing zone security, SOAR, Zero Trust; AZ-500/SC-200 preferred; other certs a plus.

Responsibilities

• Design, implement and support security controls across Azure, Entra ID and the wider Microsoft security ecosystem.
• Engineer and maintain Microsoft Sentinel, including data connectors, analytics rules, KQL queries, workbooks, watchlists and playbooks.
• Deploy and optimise Defender for Endpoint, Identity, Cloud and Office 365 within Defender XDR.
• Build detections and hunting queries aligned to business risk, threat intelligence and MITRE ATT&CK.
• Automate security processes with Logic Apps, Azure Functions, REST APIs, PowerShell and Python.
• Review cloud solutions against security standards, support incident investigations, and produce clear high-level and low-level designs and operating procedures.

Skills

Azure security

Microsoft Sentinel

Defender XDR

KQL

Automation

PowerShell

Python

Logic Apps

Azure Functions

REST APIs

Job description

Myn is seeking a Senior Azure Security Engineer to join our Cyber Security team in London, with hybrid work and one day a month in the office. You will be the go-to expert for Azure security, Defender XDR, and Microsoft Sentinel, shaping how we monitor and secure our estate.

You’ll design and implement security controls, automate responses, and collaborate across security, infrastructure and architecture teams to keep our hybrid environment resilient.