We are looking for an experienced Senior Engineer with a strong technical background in Microsoft 365, security, and modern workplace technologies. This role focuses on designing, securing, and improving Microsoft environments for customers, while acting as a trusted technical advisor and escalation point within the engineering team.Key ResponsibilitiesDesign, deploy, and optimise Microsoft 365 environments including Exchange Online, Teams, SharePoint Online, OneDrive, and Microsoft 365 Groups.Lead tenant reviews, remediation projects, migrations, and platform standardisation.Design and manage secure identity solutions using Microsoft Entra ID.Implement and maintain security technologies including Conditional Access, MFA, Passwordless Authentication, PIM, Microsoft Defender, and Microsoft Purview.Manage and secure endpoints using Intune and Windows Autopilot across Windows, macOS, iOS, and Android.Apply Zero Trust and Microsoft security best practices to customer environments.Support compliance and governance requirements including GDPR and ISO-aligned controls.Use PowerShell and automation to improve efficiency, consistency, and service quality.Produce and maintain technical documentation, standards, and runbooks.Act as a senior escalation point for complex incidents and projects.Mentor junior engineers and contribute to technical standards across the business.Build strong customer relationships and translate business requirements into secure technical solutions.Required Ski