Senior Microsoft Exchange Consultant

Job summary

The consultant will design, implement, and modernize enterprise-level Microsoft Exchange and hybrid messaging solutions. They are also responsible for providing technical leadership, mentoring teams, and ensuring alignment with security and infrastructure standards.

Job details

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. 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.

What you’ll do

The consultant will design, implement, and modernize enterprise-level Microsoft Exchange and hybrid messaging solutions. They are also responsible for providing technical leadership, mentoring teams, and ensuring alignment with security and infrastructure standards.

Requirements

Candidates must have extensive senior-level experience in designing and supporting complex Microsoft Exchange environments, including hybrid identity and automation. The role requires eligibility for a House of Commons security clearance and the ability to work onsite in Ottawa.

Listed skills

• Active Directory · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Microsoft Exchange Server
• Exchange Online
• Exchange Hybrid
• Active Directory
• Microsoft Entra ID
• Entra Connect
• PowerShell
• Automation
• Disaster Recovery
• High Availability
• SMTP
• Messaging Solutions
• Technical Leadership
• ServiceNow
• Infrastructure Architecture

Job areas

• Technology
• Government & Public Sector
• Software
• Consulting