💼 Full-Time Position

IT Infrastructure & Security Specialist

🏢
Frontier Dental CA
📍 markham, york region, Canada
📍
Location
markham, Canada
📅
Posted
May 29, 2026
Type
Full-Time
🎯

Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Overview

We are seeking an IT Infrastructure & Security Specialist to join our IT Operations team. This role combines cloud infrastructure management, cybersecurity operations, networking, and L1/L2 technical support .

The ideal candidate has strong experience managing Microsoft 365, Azure, AWS infrastructure, networking, and enterprise systems , while also supporting internal users and maintaining secure, reliable IT operations in a fast-growing organization. The role also plays an important part in maintaining Frontier’s security posture , including security tooling, monitoring, and internal security awareness initiatives.

Key Responsibilities

  • Infrastructure & Cloud Operations
  • Administer and maintain Microsoft 365 services including Entra ID (Azure AD), Exchange Online, SharePoint, endpoint management, and security configurations.
  • Support and maintain Azure and AWS clou...