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Added 8 mins ago
D
Vice President, Information Security
Docebo
Toronto, ON
- Full-time
…Docebo with executive credibility in board updates, audits, and enterprise customer due…
Added 9 mins ago
GM
Principle Software Engineering – Continuous Integration & Quality Gating
General Motors
Markham, ON
- Full-time
Connect developer workflows, GitHub Enterprise, cloud build infrastructure, artifact repositories, virtual and physical test environments, dashboards, and release systems into a traceable…
Added 24 mins ago
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Data Architect, Enterprise Data Management
Hays
Toronto, ON · Greater Toronto Area, Canada
- Contract
As the Data Architect, Enterprise Data Management, you will be responsible for modernizing the organization's enterprise data and data platform architecture. You will establish data…
Added 24 mins ago
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Guidewire Policy Centre Integration Lead
Hays
Toronto, ON
- Contract
…integration solutions across Guidewire PolicyCenter and the broader enterprise ecosystem. The ideal candidate is Guidewire ACE Certified in Cloud Integration, brings strong technical…
Added 24 mins ago
AI
Terraform Solution Architect
Apptoza Inc.
Toronto, ON
- Contract
Added 24 mins ago
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AI Solution Architect
Hays
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Working across multiple concurrent initiatives, you will architect AI and agentic solutions leveraging Microsoft Azure and, where required, Google Cloud Platform technologies. You will…
Added 39 mins ago
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Security Architect – Cloud & Application : Montreal, QC : Full time
AceStack
Montreal, QC
- Full-time
We are seeking an experienced Security Architect with strong expertise in Cloud Security and Application Security to design and implement secure enterprise architectures across Azure, AWS,…
Added 55 mins ago
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Lead Data Engineer
RBC
Toronto, ON
- Full-time
…(AML), we are building a new Data Foundation Hub to ingest enterprise data and power analytics and controls using a medallion architecture. As a Lead Data Platform Engineer, you will be a…
Added 55 mins ago
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Principal Architect - Digital Assets & Tokenization
TD
Toronto, ON
- Full-time
We are seeking a highly experienced Full Stack Architect specializing in digital assets and tokenization to lead enterprise architecture, solution strategy, and governance for…
Added 1 hour ago
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Technical Architect
RAPS Consulting Inc
Toronto, ON
- $70 to $85 CAD / hour
- Contract
We are looking for an experienced Technical Architect with strong Financial Services/Capital Markets experience to design and deliver enterprise technology solutions. The ideal candidate…
Added 1 hour ago
TD
Manager, Solutions Architecture (Amazon Connect & Zendesk)
TELUS Digital
Remote, Canada
- $186,000 to $222,000 CAD / year
- Full-time
- Remote
…AI, Strategy Consulting, Business Operations Modernization, Enterprise Applications, Cloud Engineering, and QA & Test…
Added 2 hours ago
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ServiceNow Principal Platform Architect
Yochana
Canada
- Contract
The ServiceNow Principal Platform Architect serves as the senior-most technical authority for ServiceNow platform strategy, architecture, governance, and transformation programs. This role…
Added 2 hours ago
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CRM Developer
Amplify Solutions
Canada
- Full-time
…expertise in Power Apps and Power Automate to design and deliver enterprise-grade solutions across multiple client environments. This is a build-focused role: you will work closely with our…
Added 2 hours ago
IS
Full Stack Lead
Iris Software Inc.
Toronto, ON
- Contract
Lead the design, development, and deployment of enterprise-grade web applications using Angular for frontend development and Node.js for backend services.
Added 2 hours ago
1
Infrastructure Architect
123Dentist
Toronto, ON
- $150,000 to $175,000 CAD / year
- Full-time
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…
Added 2 hours ago
T
Solution Architect III
TD
Toronto, ON
- Full-time
Design the solution architecture end-to-end, follow enterprise architecture guidelines, work primarily within projects/products. Lead on project blueprints and design specifications.
Added 2 hours ago
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AI Product Scaling Director
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Toronto, ON
- Full-time
Our AI team builds enterprise capabilities that support a wide range of users across the organization, from end users to technology teams and low-code or no-code builders. As a Principal…
Added 4 hours ago
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Senior Software Engineer - Java, Angular REQ_60 REQ_34
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- Full-time
…portable, and built to last. We are building the future of enterprise…
Added 5 hours ago
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Senior Technical Architect
Salesforce Partner Canada
ON · Ontario, Canada
- Full-time
Salesforce Professional Services is looking for a Senior Technical Architect. You will be serving as a strategic advisor and Salesforce product and platform expert to the company’s largest,…
Added 6 hours ago
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Chief Artificial Intelligence Architect
National Bank of Canada
Montreal, QC
- Full-time
As Chief AI Architect, you are accountable for defining and driving the Bank’s enterprise AI architecture strategy, including the reference architectures, guardrails, and scalable patterns…
Added 6 hours ago
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Technical Architect Director - PubSec - Mulesoft Canada
Salesforce Partner Canada
Toronto, ON
- Full-time
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Added 6 hours ago
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Solution Architect / Senior Solution Architect - PubSec - Canada
Salesforce Partner Canada
Toronto, ON
- Full-time
The Solution Architect leads one or more workstreams in sophisticated enterprise customer engagements, partnering with key collaborators to drive and achieve the vision while completing key…
Added 8 hours ago
DN
Senior Staff Machine Learning Platform Engineer
Digital Nomad World
ON · Ontario, Canada
- Full-time
…AI productivity tools. You won’t just build models, you will architect the systems that allow those models to help tens of thousands of small retailers compete and grow their local…
Added 11 hours ago
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Senior Backend Engineer .NET & Python
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123Dentist

Infrastructure Architect

Toronto, ON, Canada

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

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Job details

Pay: $150,000 to $175,000 CAD / year
Job type: Full-time
Posting language: English
Posted: Sep 21, 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

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More about this job

Responsibilities

The Infrastructure Architect will lead the design, engineering, and transformation of server, identity, cloud, and network infrastructure across a multi-site environment. They will also serve as a Tier 2/3 escalation point for complex technical issues and manage the integration of newly acquired dental practices.

Requirements

Candidates must have 7-8+ years of experience in systems or infrastructure engineering within a Microsoft-centric enterprise environment. A bachelor's degree in a related field is required, along with deep expertise in Azure, hybrid identity, and modern endpoint management.

Skills

Infrastructure Architecture
Windows Server
Active Directory
Entra ID
Microsoft Azure
Microsoft Intune
PowerShell
Network Engineering
Cloud Migration
Identity Management
Endpoint Management
Firewall Administration
Project Delivery
Technical Mentorship
Incident Response
System Administration

Visa sponsorship

Not detected in the job text

Keywords

Infrastructure Architect
Windows Server
Active Directory
Entra ID
Microsoft Intune
Microsoft 365
Azure
LAN/WAN
Firewall
PowerShell
Infrastructure-as-code
Hybrid Identity
MFA
RBAC
Conditional Access
AZ-104
AZ-305
MD-102
SC-300
CCNA
Security+
ITIL
Cloud Migration
Endpoint Management
Mergers & Acquisitions
System Administration
Technical Documentation
Runbooks
Disaster Recovery
ITSM

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