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Added 13 mins ago
OS
Senior Enterprise Architect
Ontario Securities Commission
Toronto, ON
- Full-time
Reporting to the Chief Architect, the Senior Enterprise Architect analyzes existing systems, designs solutions that fit with enterprise standards and best practices, creates and maintains…
Added 27 mins ago
ED
Senior/Principal Enterprise Architect (Level 18 & Level 19) - EN 425
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $149,341 CAD / year
- Full-time
Position: Senior Enterprise Architect (Level 18) / Principal Enterprise Architect (Level 19)
Added 27 mins ago
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System Architect
SLMCON
Montreal, QC
- Full-time
The System Architect is responsible for defining the end-to-end architecture of warehouse management solutions and their supporting integrations, data flows, custom components, and…
Added 27 mins ago
OS
Senior Enterprise Architect
Ontario Securities Commission
Toronto, ON
- Full-time
Reporting to the Chief Architect, the Senior Enterprise Architect analyzes existing systems, designs solutions that fit with enterprise standards and best practices, creates and maintains…
Added 28 mins ago
IF
Senior Data Developer
Intact FC
Montreal, QC
- Full-time
Our pension offerings provide flexibility and long-term security for our employees beyond their careers. We are one of the few companies offering the opportunity to receive guaranteed…
Added 28 mins ago
M
RQ11658 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
code reviews and establish development standards, security controls, and
Added 57 mins ago
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MuleSoft Architect
Querentia
Canada
- Contract
We are seeking an experienced MuleSoft Architect to design and implement enterprise integration solutions using MuleSoft and CloudHub 2.0. The ideal candidate will have strong experience…
Added 57 mins ago
KG
ForgeRock Developer (IAM)
K&K Global Talent Solutions INC.
Quebec, QC
- Full-time
ForgeRock Architecture & Deployment: Lead the technical installation, configuration, customization, and enterprise-wide deployment of the complete ForgeRock suite (OpenAM, OpenIDM, OpenDJ).
Added 57 mins ago
BS
Solutions Architect
Brainhunter Systems Ltd
Toronto, ON
- Contract
…Ensures solution architectures and designs are in alignment with enterprise and portfolio architecture directions and organizational standards. Leads any design documentation, continuous…
Added 57 mins ago
BS
GCP Cloud Engineer
BULL-IT SOLUTIONS LTD
Toronto, ON
- Full-time
GCP Infrastructure & Cloud SRE Engineer - • GCP Professional Cloud Architect/DevOps Engineer certification.• Banking/Financial Services domain experience.Key responsibilities• Build and…
Added 1 hour ago
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Solution Architect
Telesat
Ottawa, ON
- Full-time
We are seeking an experienced Software Architect with deep expertise in Business Support Systems (BSS), Enterprise Data Platforms, Analytics, and Artificial Intelligence solutions. The…
Added 1 hour ago
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Lead Java Developer, Vice President
Citi
Mississauga, ON
- Full-time
Establish secure, robust RESTful APIs and asynchronous integration endpoints adhering to enterprise security standards and API governance.
Added 1 hour ago
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Vice President, Information Security
Docebo
Toronto, ON
- Full-time
As our Vice President, Information Security, you will step up as the de facto security leader owning Docebo’s global security strategy across product, cloud, GRC, and AI. This is not an…
Added 1 hour 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 1 hour 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 1 hour 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 1 hour 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 1 hour 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 2 hours 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 2 hours 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 2 hours ago
RC
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 3 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 3 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 3 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 4 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.

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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