✦ Luna Orbit — System Administration

Microsoft 365 Messaging Engineer

at Insight

📍 Remote, US Remote 💰 $130K – $145K USD / year Posted April 14, 2026
Salary $130K – $145K USD / year
Type Not Specified
Experience senior
Exp. Years Not specified
Education Not specified
Category System Administration

Deliver and lead complex Microsoft 365 messaging solutions focused on Exchange and messaging migrations for enterprise clients. Support identity, security, compliance, and Copilot readiness through secure messaging architecture and governance decisions.

  • Design and support Microsoft Exchange and Microsoft 365 Messaging
  • Lead email and messaging migrations across Exchange, Google Workspace/Gmail, and Lotus Domino
  • Architect hybrid Exchange environments and tenant migrations
  • Troubleshoot mail flow, security, compliance, and hybrid identity dependencies
  • Advise on Copilot readiness and align messaging with Zero Trust and AI governance

Own messaging engineering and migration execution, including hybrid Exchange architectures, coexistence strategies, tenant consolidations, and tenant-to-tenant migrations. Provide senior-level expertise across Active Directory, Microsoft Entra ID, Microsoft Purview, and Microsoft Defender while aligning messaging to Zero Trust and AI governance principles for Copilot readiness.

The ideal candidate is a senior Microsoft 365 messaging engineer who has delivered complex Exchange and Microsoft 365 messaging solutions for enterprise clients. They have hands-on experience leading email and messaging migrations (including hybrid Exchange and tenant-to-tenant migrations) and are strong in Active Directory, Microsoft Entra ID, Microsoft Purview, and Microsoft Defender.

Designimplementand support Microsoft Exchange and Microsoft 365 Messaging solutionsLead and execute email and messaging migrations including ExchangeGoogle Workspace/GmailLotus Dominoand other legacy platformsArchitect and deliver hybrid Exchange environmentscoexistence strategiestenant consolidationsand tenant-to-tenant migrationsTroubleshoot complex messaging issues related to mail flowsecuritycomplianceand hybrid identity dependenciesProvide senior-level engineering expertise across Active DirectoryMicrosoft Entra IDMicrosoft Purviewand Microsoft DefenderAlign messaging architecture with Zero Trust and AI governance principles
Microsoft ExchangeMicrosoft 365Google WorkspaceGmailLotus DominoActive DirectoryMicrosoft Entra IDMicrosoft PurviewMicrosoft DefenderZero TrustMicrosoft Copilot
Microsoft ExchangeMicrosoft 365 Messagingemail and messaging migrationsGoogle Workspace/GmailLotus Dominohybrid Exchangecoexistence strategiestenant consolidationstenant-to-tenant migrationsmail flow troubleshootingActive DirectoryMicrosoft Entra IDMicrosoft PurviewMicrosoft DefenderCopilot readinesssecure messaging architectureidentity integrationcompliance alignmentZero TrustAI governance principlestechnical discoverysolution design sessions
Microsoft ExchangeMicrosoft 365 Messagingemail and messaging migrationsMicrosoft Exchange hybridcoexistence strategiestenant consolidationstenant-to-tenant migrationsmail flow troubleshootingsecuritycompliancehybrid identity dependenciesActive DirectoryMicrosoft Entra IDMicrosoft PurviewMicrosoft Defendersecure messaging architectureidentity integrationcompliance alignmentZero TrustAI governance principlesCopilot readinessidentity controlsoversharing riskstechnical discoverysolution design sessionssecurescalable architecturesgovernance decisions
client-facing consultingstrong communication skillsability to influence technical outcomestrusted technical advisorlead technical discovery and solution design sessionsability to translate requirements into architectures
Industry SaaS
Job Function Engineer and lead enterprise Microsoft 365 messaging migrations and secure messaging architecture
Role Subtype Microsoft 365 Admin
Tech Domains Microsoft 365, Active Directory, Azure
Microsoft 365 Messaging EngineerMicrosoft 365 Messaging solutionsMicrosoft ExchangeMicrosoft 365 Messagingemail and messaging migrationsExchangeGoogle WorkspaceGmailLotus Dominolegacy platformshybrid Exchangecoexistence strategiestenant consolidationstenant-to-tenant migrationsmail flowsecuritycompliancehybrid identity dependenciesActive DirectoryMicrosoft Entra IDMicrosoft PurviewMicrosoft DefenderCopilot readinesssecure messaging architectureidentity integrationZero TrustAI governance principles

Hands-on experience designing and supporting Microsoft Exchange and Microsoft 365 Messaging solutions, Demonstrated ability to lead email and messaging migrations including Exchange, Google Workspace/Gmail, and Lotus Domino, Experience with hybrid Exchange environments and tenant-to-tenant migrations, Must have expertise across Active Directory, Microsoft Entra ID, Microsoft Purview, and Microsoft Defender

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