Jeremy Montgomery

About Jeremy Montgomery

Senior Microsoft 365/Exchange architect with 20+ years designing, migrating, and securing enterprise messaging. I lead Exchange Online hybrid deployments, harden EOP/Defender policies, and build practical governance with Purview. Hands-on with PowerShell/Graph automation, PKI, and identity integrations (Entra ID/AAD Connect). Known for calm escalations and clear documentation—recently restored AD replication across multiple DCs, migrated SYSVOL to DFSR, and recovered a stranded Exchange server in a constrained environment.I specialize in modernizing Microsoft 365 and Exchange environments—hybrid architecture, tenant migrations, and secure mail flow. I pair deep hands-on experience (Exchange 2003–2019, EXO, EOP/MDO, Purview) with automation using PowerShell and Microsoft Graph to baseline policies, run health checks, and reduce operational drift. I maintain a full lab (PKI, Azure tenant, Teams/Intune testing) to validate changes before production. Recent highlights include a healthcare recovery effort: re-established AD replication across multiple domain controllers, migrated SYSVOL to DFSR, and brought a stranded Exchange server back within tight constraints. I enjoy mentoring teams, translating risk to business language, and leaving organizations with clear runbooks and steady-state operations.

Experience

1. Sr Microsoft Consultant

   8ltech 8th Layer Technologies, Llc

   Sep 2025 — Present

Education

• Microsoft Certifications

  MS Transcript avaiable, Exchange

  2011 — 2015

Skills

• Data Center
• Hyper-V
• Troubleshooting
• Dns Management
• Powershell
• San
• Storage Area Networks
• Citrix Metaframe
• Wan
• Switches
• Managed Services
• Vmware
• Network Administration
• Servers
• Virtualization
• Routers
• Microsoft Sql Server
• Active Directory
• Vmware Esx
• Windows Server
• Microsoft Exchange