Senior EUC Engineers - Exchange

Senior EUC Engineer -Exchange Design

Role: Senior EUC Engineer - Exchange
Contract Length: 3-6 Months
Location: Fully Remote with Occasional Travel
Start Date: ASAP
Rate: £500 to £540 per day
Travel: Occasional travel required for design workshops and key delivery phases

Overview

We're looking for a Senior EUC Engineer with strong Microsoft Exchange design experience to support ongoing messaging platform improvements within a complex enterprise environment.

This role is primarily design-focused, covering Exchange architecture, hybrid environments, and migration planning. You'll work closely with infrastructure and cloud teams to design scalable, secure messaging solutions across on-prem and cloud platforms.

Key Responsibilities

Design and implement Microsoft Exchange architecture across hybrid and cloud environments
Lead the design and planning of Exchange migrations and upgrades
Produce High-Level and Low-Level Design documentation (HLD/LLD)
Design mail flow architecture, including routing and connectors
Define high availability and disaster recovery strategies
Design and support Exchange Hybrid deployments
Provide technical leadership during implementation phases
Troubleshoot complex messaging and platform-level issues
Work with infrastructure and security teams to align designs with enterprise standards

Required Experience

Strong experience designing Microsoft Exchange environments
Proven experience with Exchange Hybrid architecture
Experience delivering Exchange migrations (on-prem to cloud or hybrid)
Strong knowledge of:
Mail flow design
Hybrid Exchange
High availability and DR
Experience producing HLD and LLD documentation

Technical Environment

Microsoft Exchange Online
On-Prem Exchange (2016/2019)
Microsoft 365
Microsoft Entra ID / Active Directory
PowerShell scripting
SMTP and mail flow design

Desirable Experience

Large-scale Exchange Online migrations
Tenant-to-tenant migrations
Email security and compliance solutions
Experience within regulated environments

Deliverables

Exchange architecture designs
Hybrid and migration design documentation
Mail flow and security models