Microsoft 365 & Exchange Administrator
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
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Job summary
Astra-North Infoteck Inc. in Calgary, AB seeks a Senior Microsoft 365 & Exchange Administrator to manage and optimize enterprise Microsoft 365, Exchange Online, Entra ID and hybrid messaging.
The role covers administration, migration, security, compliance, automation via PowerShell and Graph API, and mentoring in a large scale environment.
Qualifications
- 8+ years of Microsoft infrastructure administration experience.
- 5+ years of Microsoft 365 Administration experience.
- 5+ years of Exchange Online/Hybrid Exchange administration experience.
- Experience with enterprise environments with 5,000+ users.
- Strong mail flow, security and identity administration expertise.
Responsibilities
- Administer and support Microsoft 365 services including Exchange Online, Teams, and OneDrive.
- Configure Conditional Access, MFA, SSO, and Identity Governance.
- Manage migrations, governance, and compliance capabilities across the tenant.
- Develop PowerShell automation and Graph API based tooling.
- Provide Tier-3 escalation support and maintain operational docs.
Skills
Tools
Job description
Location: Calgary AB
Location: Calgary AB
Hybrid (4 Days WFO)
We are seeking a highly experienced Senior Microsoft 365 & Exchange Administrator to manage, support, and optimize enterprise Microsoft 365 and Exchange environments. The successful candidate will be responsible for administration, migration, security, compliance, troubleshooting, and automation across Microsoft 365 services, Exchange Online, Entra ID (Azure AD), Teams, OneDrive, and hybrid messaging infrastructures.
This role requires strong hands-on experience in enterprise-scale Microsoft cloud environments and the ability to lead complex migration, modernization, and operational initiatives.
Administer and support Microsoft 365 services including:
- Exchange Online
- Microsoft Teams
- OneDrive for Business
- Manage tenant configuration, policies, licensing, subscriptions, and service health.
- Configure and maintain Conditional Access, MFA, SSO, and Identity Governance.
- Monitor Microsoft 365 services and proactively address performance and availability issues.
- Lead tenant assessments, migrations, modernization projects, and cloud transformation initiatives.
Administer Exchange Online and Hybrid Exchange environments.
Manage:
- User Mailboxes
- Shared Mailboxes
- Resource Mailboxes
- Distribution Lists
- Microsoft 365 Groups
Configure and manage:
- Mail Flow Rules
- Transport Rules
- Mail Connectors
- SPF, DKIM, and DMARC
- Exchange Online Protection (EOP)
Troubleshoot complex mail delivery, routing, authentication, and messaging issues.
Support Exchange migrations from on-premises Exchange to Exchange Online.
Administer Microsoft Entra ID (Azure AD).
Manage user provisioning and deprovisioning processes.
Configure and support:
- Conditional Access Policies
- Multi-Factor Authentication (MFA)
- Single Sign-On (SSO)
- Privileged Identity Management (PIM)
- Identity Governance
Integrate Microsoft 365 with enterprise applications and third-party identity providers.
Configure and maintain:
- Retention Policies
- Litigation Hold
- eDiscovery
- Compliance Center Controls
- Mailbox Auditing
Support legal, compliance, and audit requirements.
Assist with governance, data retention, and records management initiatives.
Develop and maintain PowerShell automation scripts.
Automate user provisioning, license management, mailbox administration, and operational reporting.
Utilize Microsoft Graph API for advanced administration and reporting.
Provide Tier-3 escalation support for Microsoft 365 and Exchange services.
Participate in incident, change, problem, and release management activities.
Maintain operational documentation, standards, and support procedures.
Mentor junior administrators and support staff.
- Microsoft 365 Administration
- Exchange Online
- Microsoft Teams Administration
- OneDrive for Business
- Microsoft Entra ID (Azure AD)
- Exchange Online
- Exchange Hybrid
- Exchange Server 2016/2019
- Exchange Migration Tools
- Mail Routing & Transport Rules
- SMTP Security
- SPF, DKIM, DMARC
- Exchange Online Protection (EOP)
- PowerShell
- Microsoft Graph API
- Azure Automation
- Microsoft 365 Admin Center
- Exchange Admin Center
- Entra Admin Center
- PowerShell Reporting
- 8+ years of Microsoft infrastructure administration experience.
- 5+ years of Microsoft 365 Administration experience.
- 5+ years of Exchange Online/Hybrid Exchange administration experience.
- Experience supporting enterprise environments with 5,000+ users.
- Experience with Exchange migrations and Microsoft 365 tenant migrations.
- Strong expertise in mail flow management, email security, and identity administration.
- Strong troubleshooting and operational support experience.
- Microsoft Certified: Messaging Administrator Associate
- Microsoft Certified: Microsoft 365 Administrator Expert
- Microsoft Certified: Identity and Access Administrator Associate
- Azure Administrator Associate
- Strong communication and stakeholder management skills.
- Ability to lead technical discussions and architecture reviews.
- Excellent analytical and problem-solving abilities.
- Ability to mentor junior administrators and lead technical initiatives.
- Experience working in large enterprise environments.
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