Job

Job

Senior EUC Engineers - Exchange

Job type:Contract
Town/City:London
County:Remote
Salary/Rate:£500 - £550 per day
Business Sector:IT
Job ref:BBBH154258
Post Date:April 16, 2026

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