Job Description

LRS is seeking a Senior Exchange Engineer with deep expertise in Microsoft Exchange Server 2019 and Office 365 (Microsoft 365) to lead and support enterprise-level migrations to a hybrid Exchange environment with Single Sign-On (SSO) integration. This role requires hands-on experience with designing, implementing, and optimizing hybrid identity and messaging solutions.

Key Responsibilities

Lead the design and implementation of Exchange Hybrid deployments between on-premises Exchange 2019 and Exchange Online.

Plan and execute mailbox migrations (cutover, staged, and hybrid migrations) with minimal downtime.

Configure and maintain Azure AD Connect, including directory synchronization and identity federation.

Implement and support Single Sign-On (SSO) using technologies such as: Active Directory Federation Services (AD FS)
Pass-through Authentication (PTA)
Seamless SSO

Manage and opti...