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# Senior Messaging Engineer

- **Company:** Legacy
- **Location:** New York, NY, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Active Directory, Antivirus Softwares, Backup Devices, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Multi-Factor Authentication, Email Filtering, Microsoft Exchange Server, Identity and Access Management, Microsoft Office, Microsoft Visio, Windows PowerShell, Role-Based Access Control, Airwatch, Scripting, Transport Layer Security, Load Balancing, Microsoft InTune, Information Technology, Vmware
- **Published:** August 9, 2026
- **Apply:** https://www.wayup.com/i-j-Senior-Messaging-Engineer-LEGACY-LEGAL-RECRUITING-LLC-003389832133257/

## About the Role

Expert working knowledge of DHCP, DNS, and PowerShell.
Expert working knowledge of MDM solutions such as Mobile Iron and Intune MDM.
Highly proficient in Microsoft Office including Visio.
Must be available to provide after-hours support and project deliverables.
Preferred Qualifications:
Experience with large law firms preferred.
Bachelors Degree in Information Technology or Engineering preferred.
Current Exchange and Active Directory certifications.
Understanding of large global user environments
Knowledge and familiarity with load balancers, VMware, compute, and storage.
Flexible work from home options available.

## Description

Design, implement, migrate, and support Microsoft on-premises Exchange, as well as Exchange Online
Architect, implement, and maintain global messaging infrastructure, which includes but not limited to; Exchange, MDM, Active Directory, DHCP, DNS, and security.
Maintain Microsoft Windows Active Directory/Entra by performing role-based access control, monitoring, security, backups, scripting, and disaster recovery.
Troubleshoot and resolve all messaging and Active Directory-related issues.
Manage messaging-related security, such as but not limited to third-party mail gateways, anti-virus, anti-spam and TLS technologies.
Design, implement, and support mobile devices management, such as Mobile Iron, AirWatch, and Intune MDM.
Execute projects both individually and on a team basis for large initiatives.
Other duties as deemed appropriate by the Manager of Messaging Engineering.
Requirements, Skills and Related Competencies:
Minimum of six years of experience in Microsoft Exchange and Active Directory.
Expert in Exchange Online administration.
Expert in Entra administration, including:
User and Group Management: Creating, updating, and removing users, managing password resets, and managing group memberships (including dynamic groups) for resource access.
Conditional Access (CA) Policies: Creating and managing rules that enforce security requirements (like Multi-Factor Authentication) based on user, location, device state, or risk.
Guest Identity Lifecycle (External ID): Managing external collaboration settings, reviewing guest user access, and ensuring secure invitation policies.
Privileged Identity Management (PIM): Implementing just-in-time (JIT) access for administrative roles to minimize the risk of over-privileged accounts.


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