North Horizon is a Canadian family office with a global investment reach. We are value‑oriented investors in public equities, fixed incomes, private equities, venture capitals and real estate.

We are seeking a highly experienced and proactive Technical Support Manager to manage and oversee the daily operations of our IT support and infrastructure services. The ideal candidate will have a solid academic foundation in Computer Science and a minimum of 10 years of hands‑on experience in IT infrastructure administration and maintenance. Expertise in Microsoft 365 administration – including Intune, Defender, and Purview – is essential. This individual will serve as a technical leader, driving critical initiatives and executing the strategic vision of the Head of IT and senior management.

Responsibilities

Lead the technical support team, ensuring the effective and timely resolution of IT issues while delivering a high level of customer service to internal users.

Take responsibility for the administration, health, and optimization of the organization’s IT infrastructure and endpoint ecosystem.

Oversee the full spectrum of Microsoft 365 services, including but not limited to:
Exchange Online, SharePoint Online, Teams, Azure AD

Microsoft Intune for endpoint management (Windows/macOS devices, compliance policies, app deployment)

Microsoft Defender for Endpoint/Microsoft XDR for security operations

Microsoft Purview for compliance, data loss prevention (DLP), and information governance

Serve as the escalation point for complex support cases and infrastructure issues.

Lead the implementation of IT initiatives and strategic projects aligned with organizational goals.

Provide mentorship, training, and oversight to support team members, fostering technical growth and accountability.

Maintain and improve documentation related to IT infrastructure, processes, policies,



and asset inventory.

Collaborate with business units to align IT services and solutions with their evolving needs.

Evaluate and recommend new tools and technologies to improve operational efficiency and end‑user productivity.

Qualifications

Bachelor’s degree in Computer Science, Information Technology, or a related field.

At least 10 years of hands‑on experience in IT infrastructure administration and support.

Proven experience in managing and administering Microsoft 365, including Exchange Online, SharePoint, Teams, Azure Active Directory, Intune, Defender for Endpoint, Purview, Power Platform, etc.

Strong working knowledge of both Windows and Linux server environments.

Deep understanding and experience with Microsoft Azure, particularly in the context of managing virtual machines, databases, networking, and other services.

Previous technical leadership experience, with a successful track record of leading teams and delivering infrastructure‑focused projects.

A forward‑thinking mindset and commitment to exploring emerging technologies – including AI and automation tools – to improve IT operational efficiency and streamline support processes.

Strong troubleshooting, communication, and stakeholder management skills.

Ability to work independently and manage multiple priorities in a dynamic IT environment.

Industry certifications (e.g., Microsoft 365 Certified: Enterprise Administrator Expert, Microsoft Certified: Azure Administrator Associate, ITIL) are considered strong assets.

What We Offer

Base Salary

Annual performance bonus

Comprehensive employee benefits:

Extended health advantages

Life insurance

Vision care

Dental coverage

Physio + RMT

Paid vacations

Group RRSP

Free on‑site gym membership

Free parking

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📌 IT Ops (Operation & Support) Manager (Ontario)
🏢 North Horizon Holdings
📍 Ontario