3rd Line Support Engineer
3rd Line Microsoft Engineer
Location: Belgravia, London (5x days onsite per week)
Day Rate: £270.00 per day
Length: 3 months
About the Role
We're looking for a highly skilled 3rd Line Microsoft Engineer to join our growing IT & Cloud Services team. This is a hands-on technical role where you'll act as an escalation point for complex issues, drive Microsoft cloud adoption, and help enhance our modern workplace environment. You'll play a key part in supporting, securing, and optimising our Microsoft ecosystem - with a strong focus on Entra ID, Intune, PowerShell, Azure services, and email security (Mimecast).
What You'll Be Doing
- Acting as a senior escalation point for 2nd Line teams and resolving complex Microsoft-related incidents.
- Administering, managing, and troubleshooting Entra ID (Azure AD) including conditional access, identity protection, authentication and SSO.
- Creating, deploying, and managing Intune policies, configuration profiles, compliance policies, and application deployments.
- Developing and maintaining PowerShell scripts to automate tasks and improve service efficiency.
- Supporting and administering Mimecast including policies, mail flow, security setups, impersonation protection and overall email continuity.
- Managing Windows 10/11, Microsoft 365, Exchange Online and related cloud services.
- Participating in project work such as cloud migrations, security uplift programmes, and endpoint modernisation.
- Ensuring systems follow security best practices and compliance standards.
- Documenting solutions, creating runbooks, and contributing to continuous improvement.
What We're Looking For
- Strong background in 3rd Line / Senior Support roles
- Deep knowledge of Microsoft 365, Entra ID, Azure AD, and modern identity/security
- Hands-on experience building and configuring policies in Microsoft Intune
- Solid PowerShell scripting skills
- Experience supporting and configuring Mimecast
- Strong understanding of Windows client OS, device management, Exchange Online, and cloud security
ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.