Office 365 engineer

Harris Computer • Ontario, OR

3d

About The Position

Our Corporate IT team seeking an experienced Office 365 Engineer, with a strong emphasis on Exchange, Teams and, Active Directory (AD)/identity management. This role is responsible for designing, implementing, and maintaining Exchange (on-premises and hybrid), Teams and, Azure AD (Microsoft Entra ID).

Nice To Haves

• Experience with large-scale Exchange migrations and tenant consolidations
• Microsoft certifications (Exchange, Teams, Microsoft 365, or Azure)
• Administer RingCentral user provisioning and IVR.

Responsibilities

• Lead the design, configuration, and ongoing administration of Exchange Online within the Microsoft 365 tenant, including mailbox provisioning, shared/resource mailboxes, distribution groups, Tenant to Tenant migration projects.
• Architect and manage end-to-end mail flow including send/receive connectors, transport rules, smart host relay, third-party gateway integrations (e.g., Mimecast, Proofpoint), and DNS records (MX, SPF, DKIM, DMARC)
• Serve as the primary owner of Exchange Online Protection (EOP) and Microsoft Defender for Office 365, configuring and tuning anti-phishing, anti-spam, safe links, safe attachments, and protection policies
• Act as the Tier 3/4 escalation point for all email-related incidents including NDRs, mail flow failures, spoofing, BEC attacks, and malware delivery events, with full Root Cause Analysis (RCA) documentation
• Design, deploy, and maintain Microsoft 365 DLP policies across Exchange Online, Teams, SharePoint, and OneDrive in alignment with GDPR, and HIPAA requirements, tuning conditions and exceptions to minimize false positives
• Administer Microsoft Purview compliance solutions including retention policies, sensitivity labels, MRM, litigation holds, eDiscovery (Content Search and Premium), communication compliance, and insider risk management policies
• Manage email authentication posture by continuously validating and enforcing SPF, DKIM, and DMARC configurations, reviewing Microsoft Secure Score recommendations
• Develop and maintain PowerShell automation scripts for Exchange Online bulk operations, user lifecycle workflows (onboarding/offboarding), compliance reporting, and Microsoft Graph API integrations with ITSM or HRIS platforms
• Follow ITIL and change management best practices for all platform changes — including raising RFCs, participating in Change Advisory Board (CAB) reviews, maintaining incident/problem records, and producing post-implementation reviews (PIR) for major changes impacting Exchange, Teams, or voice environments
• Administer the Microsoft Teams — managing messaging, meeting, and app permission policies, Teams Rooms (MTR) devices, and providing Tier 2/3 escalation support for Teams incidents
• Administer the Entra ID - identity management using Azure AD connect, SSO technologies like SAML. Knowledge of Windows and Active Directory, TCP/IP, DHCP, DNS, etc.

Benefits

• Harris provides mission critical software solutions for the Public Sector, Healthcare, Utilities and Private Sector verticals throughout North America, Europe, Asia and Australia.
• Working for Harris is the perfect opportunity to fulfill your professional goals as well as achieve your personal dreams!
• Our employees enjoy a casual work environment that offers comfort while providing superior service to our customers.
• We offer a comprehensive benefit package as well as other additional “Perks”!
• We empower our employees to make a difference
• We have an award winning culture
• We offer opportunity to learn
• We are financially strong and we are owned by the largest software company in Canada (CSI)
• We have fun!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees