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Added 5 mins ago
HI
Change Analyst
HRbrain Inc.
Toronto, ON
- Full-time
Design and implement change management strategies supporting large, complex HR initiatives, with guidance from the Senior Manager.
Added 5 mins ago
RE
Project Estimator
Rising Edge Group
AB · Edmonton, AB
- Full-time
…electrical utilities, renewable energy, and industrial sectors to design, build, and maintain the critical infrastructure systems communities and industries rely…
Added 20 mins ago
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DCO
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- $65,000 to $75,000 CAD / year
- Full-time
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BIM Coordinator, MEP
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Toronto, ON
- Full-time
Ferrovial Construction Canada Inc. and VINCI Construction Grands Projets are undertaking the design, build, and finance the Ontario Line Southern Civil, Stations, and Tunnel (South Civil)…
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EH
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- Full-time
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- Full-time
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Added 50 mins ago
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- Full-time
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Added 50 mins ago
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Commercial Manager 1 - Infrastructure
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- Full-time
…complex civil construction projects is preferred. Experience with Design-Build, P3/PPP, collaborative or other alternative delivery models would be an…
Added 50 mins ago
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Project Manager, Construction
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- Full-time
As a Project Manager, Construction, you will support the delivery of construction projects in Ottawa, Ontario, from planning through construction and closeout. This is a hands-on,…
Added 50 mins ago
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Speer
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- $50,000 to $70,000 CAD / year
- Full-time
…three years in a row, Speer is an ambitious Canadian digital design and software development company based in Toronto. We partner with organizations across healthcare, the public sector,…
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Project Manager, Construction
Tiree
Ottawa, ON
As a Project Manager, Construction, you will support the delivery of construction projects in Ottawa, Ontario, from planning through construction and closeout. This is a hands-on,…
Added 50 mins ago
SE
Senior Power System Engineer
Schneider Electric
Quebec, QC · UNAVAILABLE, Ontario · Dollard, Quebec
- Full-time
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Added 1 hour ago
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Planning Intelligence & Automation
TC Energy
Calgary, AB
- Full-time
…Planning Intelligence & Automation. Reporting directly to the Manager, Portfolio Design & Optimization, this role will design, prototype, implement, and scale agentic AI and automation…
Added 1 hour ago
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Project Manager, Buildings Mechanical
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AB · Edmonton, AB
- Full-time
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Added 1 hour ago
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Civil Engineer - Water
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Added 1 hour ago
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Electrical, Instrumentation and Controls Engineer (Intermediate)
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Markham, ON
- Full-time
Perform other duties as required by the Manager / Senior Engineer / Design Lead
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Montreal, QC
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- $42,000 to $45,000 CAD / year
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Gestionnaire de Projets Municipal / Project Manager Municipal
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BC · British Columbia, Canada
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Senior Commercial Advisor
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Toronto, ON
- Full-time
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Senior Producer, Local Video Development (English Services) (Telework/Hybrid)
Radio-Canada
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- Full-time
This role is a hybrid work arrangement. Work schedule to be discussed with Hiring Manager according to the guidelines defined by the department.
Added 1 hour ago
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Project Manager
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123Dentist

Infrastructure Architect

Toronto, ON, Canada

$150,000 to $175,000 CAD / year · Full-time

Apply About employer

Applications open in a new tab.

Job details

Pay: $150,000 to $175,000 CAD / year
Job type: Full-time
Apply by: Nov 17, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

Job Title: Infrastructure Architect

Team: Technology Services (Information Technology)

Reports To: Senior Infrastructure Engineering Manager

Location: Toronto, Ontario. (4 days in office, 1 day remote)

Employment Type: Permanent Full-Time

About 123Dentist

123Dentist is the largest majority Canadian-owned dental support organization, supporting a growing network of 400+ dental practices across the country. As we continue to expand, both organically and through acquisition, our IT team plays a central role in standardizing, securing, and scaling the technology that our clinics and corporate teams rely on every day.

About The Role

The Infrastructure Architect is the senior technical engineer for 123Dentist’s server, identity, cloud, and network infrastructure, combining deep hands-on design and engineering with escalation support and project delivery across a Microsoft-centric, multi-site environment.

The role is balanced across three areas: infrastructure transformation and project delivery (cloud migrations, identity modernization, endpoint-management standardization), Tier 2/3 escalation support for the most complex infrastructure, identity, cloud, and network issues, and mergers & acquisitions / practice integration, onboarding newly acquired practices into the 123Dentist environment. Operating with significant independence, you’ll act as a trusted technical authority, mentoring infrastructure engineers, service desk analysts, and operations team members while championing sound engineering standards, security, and reliability.

What You’ll Do

Serve as the Tier 2/3 escalation point for complex infrastructure, identity, cloud, and network incidents, driving them through to root-cause resolution
Diagnose and resolve advanced issues across Windows Server, Active Directory, Entra ID, Microsoft Intune, Microsoft 365, Azure, and the LAN/WAN and firewall layers
Lead major-incident response for infrastructure-impacting outages, coordinating with IT and business stakeholders and communicating status clearly to leadership
Mentor and coach Tier 1 and Tier 2 analysts, producing runbooks and technical documentation that build the team’s troubleshooting capability
Independently design, plan, and deliver infrastructure transformation initiatives across on-premises and cloud, including server consolidation, migrations, identity modernization, endpoint-management standardization, and network refreshes
Engineer and administer Microsoft Azure infrastructure, including landing zone design, virtual machines, networking, storage, backup, and cost optimization
Lead hybrid identity initiatives spanning on-premises Active Directory and Entra ID, including conditional access, MFA, and RBAC
Modernize and standardize endpoint management through Microsoft Intune, and automate provisioning and configuration using PowerShell and infrastructure-as-code
Lead the technical engineering workstream to integrate newly acquired practices into the 123Dentist environment, including identity, endpoints, network, and core systems
Partner with IT leadership and the Corporate Development / M&A team on due-diligence and integration planning, standardizing and securing clinic infrastructure as new sites join the network

What You Bring

Bachelor’s degree in Information Technology, Computer Science, or a related field, or equivalent hands-on experience
7–8+ years in systems/infrastructure engineering or senior systems administration, including hands-on Tier 2/3 escalation in a Microsoft-centric enterprise environment
Demonstrated experience independently leading infrastructure transformation projects spanning multiple teams or departments (cloud adoption/migrations, identity or endpoint modernization, network refreshes)
Experience supporting a multi-site, distributed environment (healthcare, DSO, retail, or similar) is an asset; experience with M&A / site integration is a strong asset
Expert-level Windows Server administration and deep hybrid identity expertise (on-premises Active Directory and Entra ID, conditional access, MFA, RBAC)
Strong Microsoft Azure engineering skills, including IaaS, virtual networking, storage, backup, security, and cost management
Experience with Microsoft Intune / modern endpoint management and LAN/WAN and network engineering (routing, VLANs, VPN, DNS/DHCP, firewalls)
PowerShell scripting and automation experience, with working familiarity in endpoint security, backup/DR, and ITSM tooling
Microsoft certifications (e.g., AZ-104/AZ-305, MD-102, SC-300) or equivalent networking/security certifications (CCNA, Security+, ITIL) are an asset
Strong sense of ownership, excellent analytical and problem-solving abilities, and a collaborative approach to mentoring across teams

Why Join 123Dentist?

Play a central, high-visibility role in modernizing IT infrastructure for a fast-growing national organization
Operate with real autonomy as a trusted senior technical authority
Work across a modern, cutting-edge cloud, identity, and endpoint technology stack
Be part of a collaborative team that values mentorship and engineering excellence

Apply About employer

More about this job

Responsibilities

Design, engineer, and deliver infrastructure transformation across on-premises and cloud environments, including Azure, hybrid identity, endpoint management, and network modernization. Resolve complex Tier 2/3 incidents, lead major-incident response, mentor technical teams, and integrate newly acquired practices into the organization’s IT environment.

Requirements

Requires a bachelor’s degree in IT, computer science, or a related field, or equivalent hands-on experience, and 7–8+ years of infrastructure or systems engineering experience. Candidates should bring expert Windows Server and hybrid identity skills, strong Azure and Intune experience, network engineering knowledge, PowerShell automation capability, and experience leading infrastructure projects; M&A integration experience and relevant certifications are assets.

Skills

Windows Server Administration
Active Directory
Microsoft Entra ID
Microsoft Azure
Microsoft Intune
Microsoft 365
Hybrid Identity
Conditional Access
Multi-Factor Authentication
Role-Based Access Control
PowerShell
Infrastructure As Code
Network Engineering
Incident Response
Cloud Migration
Mergers And Acquisitions Integration

Visa sponsorship

Not detected in the job text

Keywords

Windows Server
Active Directory
Microsoft Entra ID
Microsoft Intune
Microsoft 365
Microsoft Azure
PowerShell
Infrastructure As Code
Hybrid Identity
Conditional Access
Multi-Factor Authentication
Role-Based Access Control
Azure Landing Zones
Virtual Machines
Virtual Networking
Cloud Migration
Endpoint Management
LAN/WAN
Routing
VLANs
VPN
DNS/DHCP
Firewalls
Backup And Disaster Recovery
IT Service Management
Infrastructure Transformation
Major-Incident Response
Mergers And Acquisitions
AZ-104
AZ-305

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