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# Exchange Engineer (Contract)

- **Company:** DGH Recruitment
- **Location:** London, UK
- **Contract:** Contract
- **Skills:** Microsoft Windows, Active Directory, User Authentication, Domain Name System (DNS), Microsoft Exchange Server, Simple Mail Transfer Protocols, Facebook Flow
- **Published:** July 30, 2026
- **Apply:** https://www.totaljobs.com/job/exchange-engineer/dgh-recruitment-job107767613

## About the Role

* 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.

## Description

DGH Recruitment are currently recruiting on behalf of a leading client in the Professional Services industry who require an Microsoft Exchange Engineer to join the firm in London on an initial 5 month contract basis.

PLEASE NOTE: This role will fall inside IR35.

You will be responsible for the end-to-end migration, remediation, and decommissioning of their Microsoft Exchange 2016 environment.

Responsibilities:

 * Assess Exchange architecture, mail flow, SMTP dependencies, and migration readiness.
 * Design, build, configure, and support Exchange Server Subscription Edition (SE) environments.
 * Plan and deliver 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 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.


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