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London, England, United Kingdom🌐 Remote💼 Full-time🗓 2026-09-02 → 2026-09-26

Core

Configure, migrate, and support Exchange Online and Microsoft 365 messaging services for a major public-sector transformation programme.

Role type

Senior IC Messaging Engineer (Microsoft 365)

Builds

Production messaging infrastructure and migration pipelines for enterprise mail flow

Domain

Public sector IT / Microsoft 365 / Messaging

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Exchange Online administration, mailbox migration, tenant-to-tenant/hybrid Exchange migrations, mail flow configuration, DNS management, PowerShell automation, email security (Defender for Office 365), SMTP relay, client troubleshooting (Outlook/Mobile)

Preferred skills

Migration tooling expertise, complex issue diagnosis, technical documentation, stakeholder coordination

Technologies

Exchange Online, Microsoft 365, PowerShell, Defender for Office 365, Outlook, DNS

Responsibilities

Configure and manage Exchange Online and M365 messaging services; Design and implement mail-routing configurations; Execute mailbox and messaging-object migrations; Develop PowerShell automation for configuration and reporting; Troubleshoot complex issues involving messaging, identity, DNS, and clients; Support application-to-email integration and SMTP relay requirements; Produce migration reporting and technical documentation.

Seniority

Senior, hands-on IC

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