Cloud Platform & Security Engineer

Harrow Council; Greater London; On-site; GBP 55,000 - 75,000; Full time

Job summary

Harrow Council is seeking an experienced Platform & Cyber Security Specialist to join its ICT Services team in a cloud-first environment. You will administer and secure core Microsoft platforms, including Hybrid Exchange, AD, Entra ID, Defender, and Sentinel, while driving automation through PowerShell.

The role focuses on strengthening cyber security posture, responding to threats, and supporting adoption of Microsoft cloud technologies with best practices.

Qualifications

• Experienced in administering and supporting Hybrid Exchange environments, including Exchange Online and on‑premises services.
• Strong knowledge of Active Directory management, including Group Policy, DNS, DHCP, domains, trusts, replication, and certificate services.
• Skilled in managing Microsoft Entra ID environments, including Conditional Access, MFA, SSPR, PIM, and identity lifecycle management.
• Experienced in using Microsoft 365 Defender and Sentinel to monitor, investigate, and respond to security threats and incidents.
• Proficient in PowerShell scripting and automation, with the ability to improve operational efficiency through streamlined processes.
• Familiar with Microsoft Intune and endpoint management for Windows, iOS, and Android devices, including device security and compliance policies.

Responsibilities

• Maintain secure, resilient Microsoft platforms within a cloud-first environment.
• Investigate security incidents and automate administrative tasks to improve efficiency.
• Collaborate with colleagues, suppliers, and stakeholders on security governance, compliance and service improvements.

Skills

Hybrid Exchange

Active Directory

Microsoft Entra ID

Microsoft 365 Defender

PowerShell scripting

Intune

Tools

Exchange Online

Active Directory

Microsoft Entra ID

Microsoft Defender

Sentinel

PowerShell

Intune

Job description

Harrow Council is seeking an experienced Platform & Cyber Security Specialist to join its ICT Services team in a cloud-first environment. You will administer and secure core Microsoft platforms, including Hybrid Exchange, AD, Entra ID, Defender, and Sentinel, while driving automation through PowerShell.

The role focuses on strengthening cyber security posture, responding to threats, and supporting adoption of Microsoft cloud technologies with best practices.