We''re looking for an experienced 3rd Line Support Specialist to join a fast-growing MSP in Reading, delivering high-quality technical support and project work across a diverse external client base. This role suits someone who thrives in a multi-customer environment, enjoys solving complex issues, and can take ownership of advanced Microsoft cloud and infrastructure challenges. Acting as the senior escalation point for Windows Server, Azure, Office 365 and modern workplace technologies Troubleshooting complex incidents across on-prem and cloud environments Delivering hands-on project work including migrations, upgrades, deployments and security improvements Supporting external clients across varied industries, both remotely and onsite (3 days per week) Managing Azure resources, identity, networking, security and monitoring Administering Windows Server, AD, Group Policy, DNS, DHCP Producing documentation, technical guidance and best-practice recommendations Working closely with 2nd Line engineers to mentor, support and improve service delivery You will need: Strong 3rd Line experience within an MSP or multi-tenant environment Deep knowledge of Windows Server, Azure, Office 365 and Intune Excellent troubleshooting and root-cause analysis skills Experience with Azure AD, identity, conditional access and cloud security Solid understanding of networking fundamentals (VPN, firewalls, switching) Ability to work independently on client sites and communicate clearly with stakeholders ..... full job details .....