Senior Microsoft Exchange Consultant

Our client in the public sector is seeking a contract based Senior Microsoft Exchange Consultant / Architect to design, implement, and support both Microsoft Exchange Server Subscription Edition (on-premises) and Exchange Online, with particular expertise in Exchange Hybrid architecture.

Duration: 6 months to start

Responsibilities

• Provide senior-level architecture and technical expertise for Exchange Server Subscription Edition (on-premises), Exchange Online, and Exchange Hybrid environments.
• Design, implement, optimize, and modernize enterprise Exchange and messaging solutions.
• Architect solutions for high availability, disaster recovery, resiliency, performance, and scalability .
• Analyze and resolve complex mail flow, SMTP, transport, integration, authentication, and Exchange infrastructure issues .
• Provide architectural guidance across Active Directory, Entra ID, Entra Connect, and hybrid identity .
• Develop PowerShell automation for Exchange administration, reporting, and operational efficiencies.
• Collaborate with infrastructure, security, networking, and identity teams to ensure alignment with Microsoft and enterprise standards.
• Develop architecture documentation, technical designs, implementation plans, and roadmaps.
• Provide technical leadership, mentoring, and knowledge transfer to internal teams.

Requirements

• Extensive senior-level experience designing and supporting Microsoft Exchange in large, complex enterprise environments .
• Deep hands-on experience with Exchange Server Subscription Edition (on-premises), Exchange Online, and Exchange Hybrid .
• Strong Exchange architecture expertise including high availability, disaster recovery, mail flow, SMTP, security, performance, and capacity planning .
• Strong experience with Active Directory, Microsoft Entra ID, Entra Connect, and hybrid identity .
• Strong PowerShell scripting and automation skills.
• Experience with Microsoft 365, DNS, certificates, load balancing, gateways, and Exchange monitoring .
• Strong architecture, troubleshooting, documentation, and technical leadership skills.
• Familiarity with ITSM/change-management tools such as ServiceNow .
• Must be eligible to obtain the required House of Commons security clearance and able to work onsite in Ottawa as required.