Platform & Cyber Security Specialist
4 hours ago
Harrow
Overview In this role you will strengthen the Council’s cyber security posture while delivering secure, resilient Microsoft platform services in a cloud-first environment. You will work within the ICT Services team to maintain Hybrid Exchange, AD, Entra ID, Defender and Sentinel, and to automate admin tasks with PowerShell. The role supports modernisation initiatives, security projects and governance, ensuring compliant, high-availability services for critical council functions. You’ll collaborate across teams and with suppliers to drive operational excellence and security best practices. ResponsibilitiesAdminister and support Hybrid Exchange environments (Exchange Online and on-prem)Manage Active Directory, Group Policy, DNS, DHCP, domains, trusts, replication, and certificate servicesOversight of Microsoft Entra ID including Conditional Access, MFA, SSPR, PIM, and identity lifecycleOperate Microsoft 365 Defender and Sentinel to monitor, investigate, and respond to threatsAutomate operational processes and enhance efficiency using PowerShellOversee Microsoft Intune and endpoint management (Windows, iOS, Android) including security/compliance policiesApply cyber security principles and Microsoft security best practices across platformsUnderstand VPNs, SSL certificates, and core networking concepts (DNS, DHCP, Layer 3)Engage in ITIL-based service management (incident, problem, change) and collaborate with stakeholdersSupport security and infrastructure modernisation projects and ensure governance/compliance Key requirementsExperience administering Hybrid Exchange environments (Exchange Online and on-prem)Strong Active Directory management experience (GPO, DNS, DHCP, domains, trusts, replication, certificates)Proficiency with Microsoft Entra ID (Conditional Access, MFA, SSPR, PIM, identity lifecycle)Experience with Microsoft 365 Defender and Sentinel for threat monitoring and responseProficient PowerShell scripting and automation for operational efficiencyFamiliarity with Microsoft Intune and endpoint management across multiple OSSolid understanding of cyber security principles and Microsoft security best practicesKnowledge of VPN technologies, SSL certificates, and core networking conceptsExperience in ITIL-based service management (incidents, problems, changes)Collaborative, customer-focused team player with strong communication and prioritisation skillsCollaborativeCustomer-focusedEffective communicatorHybrid Exchange administration (Exchange Online/on-prem)Active Directory management and Group PolicyMicrosoft Entra ID (CA, MFA, SSPR, PIM)