Senior Software Engineer

Role Summary

Provide engineering, operational and project support for the global Microsoft Messaging platform,

including Exchange Online, Exchange Hybrid, email security, archiving and migration activities.

Support BAU operations, incident resolution, platform maintenance and strategic migration projects.

Derived from the Messaging Technical Lead and Engineer profiles

Key Responsibilities

Support and administer Exchange Online and Exchange Hybrid environments.

Troubleshoot mail flow, routing and delivery issues.

Manage email security technologies including Proofpoint, SPF, DKIM and DMARC.

Support mailbox migrations, tenant consolidations and Exchange modernisation activities.

Maintain email retention, archiving and compliance configurations.

Support incidents, problem management and root cause analysis activities.

Develop and maintain PowerShell automation for operational tasks.

Produce and maintain technical documentation and operational runbooks.

Support M365 messaging integrations with Teams, SharePoint and Entra ID.

Required Skills

Messaging

Exchange On Prem (2016/2019/SE) and Online including Hybrid

Mail Flow & SMTP Routing,

Connectors & Transport Rules, including Message Tracing

Mailbox Migrations, Archiving

Security

Proofpoint

DMARC

SPF

DKIM

Microsoft Defender for Office 365

Compliance

Microsoft Purview

Retention Policies

Journaling

eDiscovery

Enterprise Vault

Automation

PowerShell

Information classification

Microsoft Graph API

Azure Automation

Identity

Entra ID

Conditional Access

Entra Connect

Desired Experience

5+ years supporting enterprise messaging platforms.

Experience supporting large-scale Exchange Online environments.

Experience with email migrations and hybrid deployments.

Strong troubleshooting and operational support background.