Computer Application Support, Senior

Job Description

Senior Application Support Specialist – Microsoft 365 & Azure Infrastructure

Location: National Capital Region (Hybrid – remote from home residence using client-issued laptop; home organization site in Ottawa, ON)
Type: Contract, approx. 30 weeks (parental leave backfill)
Clearance: Secret
Language: English required
References: 2 required (verifiable); interview required

About the Role

We're seeking a Senior Application Support Specialist to backfill a parental leave for a large organization's IT Service Management Centre, which supports a Microsoft 365 tenant used by tens of thousands of users, an Azure cloud environment, and a large fleet of computers. This is a temporary requirement to ensure continuity of operations and uninterrupted service delivery across the M365 and Azure environment.

The resource will work as part of a virtual, multidisciplinary team alongside existing staff, reporting to the IT Engineering Manager. 

Key Responsibilities

• Configure, administer, maintain, and support Microsoft 365, Microsoft Azure, Microsoft Entra ID, Active Directory, Microsoft Exchange, and related cloud, hybrid, and on-premises infrastructure services
• Configure and maintain integrations between Microsoft 365, Azure, identity, messaging, and on-premises systems
• Administer identity synchronization, authentication, role-based access control, and privileged access capabilities
• Monitor availability, capacity, performance, security, and operational health of supported infrastructure services
• Investigate, troubleshoot, and resolve incidents, service degradation, configuration issues, and integration failures
• Plan, test, document, and implement approved changes, upgrades, migrations, and service improvements
• Assess Microsoft service changes and new capabilities, and provide technical impact analyses and recommendations
• Identify infrastructure risks, vulnerabilities, and configuration deficiencies, and recommend mitigation measures
• Support backup, recovery, business-continuity, and disaster-recovery activities for applicable services
• Develop and maintain solution designs, configuration records, implementation plans, operational procedures, troubleshooting guides, change records, and knowledge articles
• Provide technical analysis, advice, options, and recommendations to management, technical teams, and stakeholders
• Participate in technical discussions, meetings, working groups, planning sessions, and service-management activities
• Provide knowledge transfer, technical guidance, and operational handover to designated personnel

Required Qualifications

• Minimum 5 years of experience (within the last 7 years) administering and supporting enterprise Microsoft 365 and Microsoft Exchange environments with a minimum size of 40,000 users, including at least 4 of: Exchange Online administration, Exchange Server administration, hybrid Exchange configuration, mail flow/transport configuration, identity/directory integration, email security configuration, messaging incident troubleshooting, and implementing Exchange/M365 service changes
• Minimum 3 years of experience (within the last 5 years) configuring, administering, maintaining, and troubleshooting Microsoft Azure infrastructure services, including at least 4 of: Azure virtual networks/subnets, Network Security Groups, Azure virtual machines, Azure Storage, private endpoints/Private Link, Azure Monitor/Log Analytics/alerting, Azure Policy, Conditional Access Policies, Azure Backup/recovery services, and RBAC for Azure resources
• Minimum 5 years of experience (within the last 7 years) administering Microsoft Entra ID (formerly Azure AD) and on-premises Active Directory Domain Services in a hybrid identity environment, including all of: Microsoft Entra Connect Sync/Cloud Sync or Azure AD Connect, authentication and identity synchronization, RBAC, Conditional Access, and Microsoft Entra Privileged Identity Management (or equivalent just-in-time privileged access)
• Minimum 3 years of experience (within the last 5 years) developing and using scripts or functions to automate administration, configuration, monitoring, or reporting for M365, Azure, Entra ID, Active Directory, or Exchange, with at least 2 substantiated automation examples
• Experience (within the last 5 years) providing operational support for at least 2 enterprise Microsoft infrastructure environments (minimum 6 months each), including monitoring, complex incident resolution, change management, risk/deficiency identification, and operational documentation
• At least 2 active Microsoft certifications from: Azure Administrator Associate, Microsoft 365 Administrator Expert, Identity and Access Administrator Associate, Azure Solutions Architect Expert, Cybersecurity Architect Expert, or Microsoft 365 Messaging Administrator Associate (or authorized successor certifications) — verifiable transcripts required

Technical Skills

• Microsoft 365, Microsoft Azure, Microsoft Entra ID, Active Directory, Microsoft Exchange
• Hybrid identity and directory integration (Entra Connect Sync/Cloud Sync, Azure AD Connect)
• Azure infrastructure: virtual networks, NSGs, VMs, Storage, Private Link, Azure Monitor/Log Analytics, Azure Policy, Conditional Access, Backup/Recovery, RBAC
• Scripting/automation for administration, configuration, monitoring, and reporting
• Incident management, change management, and operational documentation

This employer uses both human and technology-assisted tools to support candidate screening and assessment. Final hiring decisions are made by people.

This posting is for a public sector assignment. Compensation will be determined through the competitive bidding process and will be within the approved rate structure for this assignment.