Exchange Engineer - Blackfriars

Salary: £45,000 - 70,000 per year

Requirements:

• Hands-on experience with Exchange Server 2016, Exchange Server Subscription Edition (SE), Exchange Online, and hybrid messaging environments.
• Experience delivering Exchange migrations, mail flow transformations, and SMTP relay remediation activities.
• Experience working with Mimecast, Proofpoint, or similar email security and gateway platforms.
• Experience supporting environments impacted by Active Directory, Entra ID, DNS, networking, and certificate changes.
• Experience coordinating technical teams, vendors, and business stakeholders to deliver messaging solutions.
• Experience supporting testing, cutover, migration, and decommissioning activities within large enterprise environments.

Responsibilities:

• Assess our Exchange architecture, mail flow, SMTP dependencies, and migration readiness.
• Design, build, configure, and support Exchange Server Subscription Edition (SE) environments.
• Plan and deliver our Exchange 2016 migration activities to Exchange SE and/or Exchange Online, including mailbox migrations and coexistence activities.
• Implement mail flow, SMTP relay, and messaging remediation activities required to support domain, identity, tenant, and email address changes.
• Work with infrastructure, networking, security, identity, Microsoft 365, Mimecast, and Proofpoint teams to deliver messaging and email security solutions.
• Coordinate testing, cutover, validation, and post-migration support activities.
• Decommission our Exchange 2016 infrastructure and associated messaging services following successful migration.
• Troubleshoot and resolve messaging, mail flow, SMTP, authentication, certificate, DNS, and connectivity issues.
• Maintain technical documentation, migration records, risks, and dependencies.

Technologies:

• Active Directory
• Flow
• Support
• Microsoft 365
• Security
• Office 365

More:

We are a leading client in the Professional Services industry and are recruiting for a Microsoft Exchange Engineer to join our team in London on an initial 4 month contract basis. This role falls inside IR35 and focuses on the end-to-end migration, remediation, and decommissioning of our Microsoft Exchange 2016 environment. We offer the opportunity to work across infrastructure, networking, security, identity, Microsoft 365, Mimecast, and Proofpoint teams to deliver messaging and email security solutions in a large enterprise environment.

last updated 34 week of 2026