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# Senior M365 Messaging Specialist - Canada Remote

- **Company:** Danaher Corporation
- **Location:** London, United Kingdom (Remote available)
- **Experience:** Expert
- **Salary:** £125,000 - £135,000
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Authentication Protocols, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Microsoft Exchange Server, Microsoft Office, Windows PowerShell, Sender Policy Framework (SPF), Information Technology
- **Published:** November 10, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/senior-m365-messaging-specialist-canada-remote/54532048

## About the Role

Long-standing experience in architecting and maintaining Microsoft messaging and collaborations solutions.

Bachelor's degree in computer science, Information Technology and 5 year minimum of work experience.

In-depth knowledge of email authentication protocols (SPF, DKIM, DMARC) and secure mail gateway configurations.

Experience with Microsoft 365 Compliance Center, Proofpoint, email encryption solutions and Strong expertise in PowerShell scripting for Exchange and Microsoft 365 administration.

Excellent problem-solving, communication, and documentation skills.

Travel, Motor Vehicle Record & Physical/Environment Requirements:
Ability to travel - up to 10%

## Description

Lead the architecture, deployment, and maintenance of Microsoft Exchange Online and hybrid Exchange environments and manage, configure, and optimize Proofpoint solutions including Email Protection, Threat Response, TAP, and DLP policies.

Administer other messaging-related technologies such as Microsoft Defender for Office 365, SPF/DKIM/DMARC policies, and TLS configurations.

Serve as a subject matter expert (SME) in email routing, delivery troubleshooting, mail flow policies, and message trace analysis.

Drive and implement best practices for email retention, legal hold, eDiscovery, and compliance in addition to developing and maintaining PowerShell scripts for automation, reporting, and system administration.

Provide Tier 3 support and guidance to junior engineers and IT support teams.