"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.Key ResponsibilitiesMicrosoft 365 AdministrationAdminister and support Microsoft 365 services including:Exchange OnlineMicrosoft TeamsOneDrive for BusinessManage 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.Exchange AdministrationAdminister Exchange Online and Hybrid Exchange environments.Shared MailboxesResource MailboxesDistribution ListsMicrosoft 365 GroupsConfigure and manage:Mail Flow RulesTransport RulesMail ConnectorsSPF, DKIM, and DMARCExchange Online Protection (EOP)Troubleshoot complex mail delivery, routing, authentication,



and messaging issues.Support Exchange migrations from on-premises Exchange to Exchange Online.Identity & Access ManagementManage user provisioning and deprovisioning processes.Configure and support:Conditional Access PoliciesSingle Sign-On (SSO)Privileged Identity Management (PIM)Identity GovernanceIntegrate Microsoft 365 with enterprise applications and third-party identity providers.Compliance & GovernanceConfigure and maintain:Litigation HoldCompliance Center ControlsMailbox AuditingSupport legal, compliance, and audit requirements.Assist with governance, data retention, and records management initiatives.Automation & ScriptingDevelop and maintain PowerShell automation scripts.Automate user provisioning, license management, mailbox administration, and operational reporting.Utilize Microsoft Graph API for advanced administration and reporting.Operations & SupportProvide 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.Required Technical SkillsMicrosoft 365Exchange TechnologiesAutomationMonitoring & ReportingRequired Experience8+ 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.Solid troubleshooting and operational support experience.Preferred CertificationsMicrosoft Certified: Identity and Access Administrator AssociateSoft SkillsStrong 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.

📌 Administrator (Calgary)
🏢 apptoza
📍 Calgary