Senior Infrastructure Engineer in City of London

Senior Infrastructure Engineer

Location
Croydon – Crawley

Salary
£50,000 £60,000

Contract
Permanent

Khuda Technology is working with a leading Managed Service Provider to find an experienced Senior Infrastructure Engineer to support a major enterprise client. The role sits within the infrastructure and cloud operations team and is responsible for the stability, security, and optimisation of on‑prem and cloud infrastructure. You will play a key role in day‑to‑day operations, automation, infrastructure improvements, and ensuring technology aligns with business and security objectives.

Responsibilities

• Manage and optimise on‑prem and cloud infrastructure, including Microsoft 365, Azure, Active Directory, Azure AD, SSO, and ADFS
• Administer and support Microsoft Exchange and Office 365 environments
• Manage email gateways and security solutions such as Proofpoint, IronPort, and EOP
• Monitor and troubleshoot mail flow, message tracking, SPF, DKIM, DAGs, and patching
• Support collaboration platforms including Microsoft Teams, SharePoint, OneDrive, and Outlook
• Automate infrastructure tasks and operational processes using PowerShell
• Assist with disaster recovery planning, documentation, and failover testing
• Provide 3rd line support and participate in an on‑call rota as required

Skills

• Strong hands‑on experience as an Infrastructure or Senior Infrastructure Engineer
• Proven experience across Microsoft 365, Azure, and hybrid environments
• Strong knowledge of Active Directory, Azure AD, SSO, and ADFS
• Advanced PowerShell scripting for automation and troubleshooting
• Experience with endpoint and systems management tools such as Intune, SCCM/MECM, and WSUS
• Knowledge of VPN, DirectAccess, and secure remote access technologies
• Hands‑on experience supporting Exchange, Teams, SharePoint, and OneDrive

If this opportunity sounds of interest and you d like to join a fast‑growing international MSP, please don t hesitate to apply.