Microsoft Security Platform Engineer – Defender & Entra Lead

ISS; Greater London; Hybrid; GBP 59,000 - 72,000; Full time

Benefits offered by this job

Bupa

Matched pension contributions

Job summary

FTSE 100 in London is seeking a Cyber Security Platform Engineer – Microsoft to own the Microsoft security estate, drive E5 deployment, and align Defender, Entra ID, Intune, and Azure configurations with the Group security standard. You will partner with the Security Platform Engineering Manager to prioritise high-value work and minimise downtime.

The role requires strong collaboration with divisional IT teams, SOC, and Microsoft teams, plus hands-on configuration and change management across a

Qualifications

• 5+ years in cyber security with Microsoft platform experience.
• Experience configuring M365 Defender, Entra ID, and Intune in large enterprises.

Responsibilities

• Assess Microsoft security estate and identify gaps vs best practice.
• Own M365 Defender suite configuration and ongoing engineering.
• Manage Entra ID security configuration and Intune baselines.
• Lead E5 deployment planning with ECIF and governance.

Skills

Microsoft 365 Security

Defender configuration

Entra ID security

Intune security

SOC collaboration

Security policy design

Education

SC-100 Microsoft Cybersecurity Architect

CISSP or CISM

Microsoft Certified: I&AM (SC-300)

Tools

PowerShell

Microsoft Graph API

Axonius

Job description

FTSE 100 in London is seeking a Cyber Security Platform Engineer – Microsoft to own the Microsoft security estate, drive E5 deployment, and align Defender, Entra ID, Intune, and Azure configurations with the Group security standard. You will partner with the Security Platform Engineering Manager to prioritise high-value work and minimise downtime.

The role requires strong collaboration with divisional IT teams, SOC, and Microsoft teams, plus hands-on configuration and change management across a