Senior Messaging Engineer | Glabl Banking Organisation

Senior Messaging Engineer | Global Banking Organisation

6 month contract | London based 4 days in office

£735 per day inside IR35

The Microsoft 365 Messaging & Collaboration SME will lead the design, delivery and ongoing improvement of the organisation's Microsoft 365 collaboration environment.

The role is the technical authority across Exchange Online, Teams, Copilot, Intune, Purview, Defender for Office 365 and Proofpoint, ensuring services are secure, resilient, scalable and compliant. Responsibilities include platform modernisation, leading complex technical initiatives, working with Architecture and Security teams, and providing Tier 3 technical escalation and support.

Key Skills/Experience:

• Extensive experience engineering Microsoft 365 Messaging & Collaboration platforms.
• Expert knowledge of Exchange Online and Microsoft Teams.
• Strong Microsoft 365 administration, governance and security experience.
• Hands-on experience with Microsoft Purview, Defender for Office 365 and email security tools such as Proofpoint.
• Experience with Exchange Hybrid, migrations and Microsoft 365 transformation programmes.
• Strong knowledge of Entra ID, Conditional Access, Intune, PowerShell and Microsoft Graph.
• Good understanding of SPF, DKIM, DMARC, DNS, SMTP and messaging protocols.
• Experience working in large-scale, global or regulated environments.
• Proven Tier 3 support/technical escalation experience.
• Strong stakeholder management, problem-solving and technical delivery skills.