Microsoft Platform Engineer — Cloud & Security

Harvey Nash Group; Greater London; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

Harvey Nash is partnering with a London Borough to appoint a Platform Specialist to own and secure a cloud-first Microsoft environment. The role involves managing Microsoft 365, Hybrid Exchange and core identity services, with a focus on security, automation and ongoing infrastructure improvements.

Based in London with hybrid working options, the role offers responsibility for security tooling, identity management, and automation, shaping a modern Azure-native environment for local public

Qualifications

• Experience administering Microsoft 365 and hybrid Exchange environments.
• Strong Active Directory administration and troubleshooting.
• Experience with Microsoft Defender and/or Sentinel security.
• PowerShell scripting and automation abilities.
• Solid understanding of identity management and security best practices.

Responsibilities

• Administer and support Microsoft 365 and Hybrid Exchange environments
• Manage Active Directory, DNS, DHCP, Group Policy and identity services
• Oversee Microsoft Entra, Conditional Access, MFA, PIM and SSPR
• Monitor and respond to security incidents using Defender and Sentinel
• Manage email protection, retention policies, eDiscovery and VPN services
• Develop PowerShell automation to improve operational efficiency
• Contribute to platform upgrades, security improvements and cloud adoption initiatives

Skills

MS 365 admin

Hybrid Exchange

AD admin

Azure AD

Defender/Sentinel

PowerShell

Identity security

Job description

Harvey Nash is partnering with a London Borough to appoint a Platform Specialist to own and secure a cloud-first Microsoft environment. The role involves managing Microsoft 365, Hybrid Exchange and core identity services, with a focus on security, automation and ongoing infrastructure improvements.

Based in London with hybrid working options, the role offers responsibility for security tooling, identity management, and automation, shaping a modern Azure-native environment for local public