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Added 32 mins ago
T
Test Automation Consultant
Tekshapers
Toronto, ON
- Contract
We are seeking a Test Automation Architect to define, design, and govern enterprise-scale automation solutions. The role requires strong hands-on expertise in TypeScript, Playwright, and…
Added 33 mins ago
UO
ERP System Administrator - Information Technologies
University of Calgary
Calgary, AB
- Full-time
…This position reports to the PeopleSoft Technical Application Architect and has no direct…
Added 47 mins ago
M
Solution Architect
Mindtris
Fredericton Junction, NB
- Full-time
Seniority on the skill/s required on this requirement: Senior
Added 1 hour ago
LA
Lead Solution Architect
Legislative Assembly of Ontario / Assemblée législative de l’Ontario
Toronto, ON
- Full-time
Looking for a rewarding career where you can share your expertise as a Lead Solution Architect? Seize this opportunity to embody our organizational values within our Information Services…
Added 1 hour ago
C
Lead Enterprise Architect – Payments & Security
CGI
Toronto, ON
- Full-time
CGI is seeking an experienced Lead Enterprise Architect – Payments & Security to join our Financial Services practice and provide technical leadership on a long-term strategic engagement…
Added 1 hour ago
RE
Data Architect
Rodan Energy Solutions Inc.
Mississauga, ON
- Full-time
Real Ownership and Visibility: Own the architecture, standards, and governance that the business relies on, and show senior leadership what new products and capabilities the platform can…
Added 1 hour ago
Senior Business Analyst
World Vision Canada
Mississauga, ON
The Senior Business Analyst, Enterprise Data holds the end-to-end view of how World Vision Canada's core business processes and the information supporting them fit together across…
Added 2 hours ago
RE
Data Architect
Rodan Energy Solutions Inc.
Mississauga, ON
- Full-time
Real Ownership and Visibility: Own the architecture, standards, and governance that the business relies on, and show senior leadership what new products and capabilities the platform can…
Added 3 hours ago
R
Principal Enterprise Architect
RBC
Toronto, ON
- Full-time
Minimum 3 years of experience in a Senior Enterprise Architect or comparable senior management role.
Added 4 hours ago
S
Architecte Logiciel Embarqué / Embedded Software Architect
Syntronic
Montreal, QC
- Full-time
As a senior embedded software architect, your main responsibilities will include the documentation, architecture and implementation of complex software in different technology market areas…
Added 4 hours ago
Senior Data Warehouse Engineer
Capgemini
Montreal, QC
We are seeking a experienced and results-oriented Senior Data Warehouse Engineer to work our data warehouse modernization and performance optimization initiatives. The ideal candidate will…
Added 4 hours ago
ZS
Solution Architect (Wealth D&A Portfolio)
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Partner with Wealth Senior Solution Architect and Enterprise Architecture to ensure alignment with strategic standards.
Added 5 hours ago
M
RQ11475 - Software Developer - CRM - Senior
Maarut
Toronto, ON
- Contract
Architect, design, and implement Dynamics 365 Customer Service and Case Management solutions using both out-of-the-box capabilities and custom development.
Added 5 hours ago
AI
Finance & Risk Enterprise Architect – Legal Entity Onboarding
Apptoza Inc.
Toronto, ON
- Contract
Role Descriptions: The Senior Architect will provide end-to-end architecture leadership for new legal entity onboarding across the Finance and Risk technology landscape.The role will work…
Added 5 hours ago
XS
Test Automation Architect
Xaxis Solutions
Toronto, ON
- Contract
We are Looking for Test Automation Architect with Guidewire and Playwright exp. consultant in Toronto, Canada , Hybrid 03 days per week from day 1
Added 6 hours ago
XS
Test Automation Architect
Xaxis Solutions
Toronto, ON
- Contract
We are Looking for Test Automation Architect with Guidewire and Playwright exp. consultant in Toronto, Canada , Hybrid 03 days per week from day 1
Added 7 hours ago
KC
Senior Consultant - Data & Solution Architect (MS Fabric)
Keyrus Canada
Montreal, QC
- Full-time
As a Senior Consultant - Data & Solution Architect, you will architect modern data ecosystems that enable organizations to transform raw information into scalable intelligence. Combining…
Added 7 hours ago
SM
RQ10989 – Business Architect – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Business Architect to support the enhancement of the Forest Resources Inventory Information Management System (FRI IMS) and the modernization of its Enterprise…
Added 7 hours ago
GM
Principal Systems Architect
General Motors
Markham, ON
- Full-time
The architect is accountable for the architecture plan from product and business intent through system specification, sub-system coverage, system change rollout, and milestone readiness.…
Added 7 hours ago
Application Architect Core HR
Scotiabank
Toronto, ON
As an Architect, you will be at the forefront of shaping the digital employee experience. Your mission is to architect and deliver scalable, secure, and forward-thinking solutions that…
Added 8 hours ago
FI
Cyber Security Architect -Healthcare
Flexstaf I.T. Inc.
Canada
- Contract
Flexstaf client is seeking one Cyber Security Domain Architect to lead and provide expert advisory services within the Security Domain, with a primary focus on Azure Cloud, VMware Cloud…
Added 9 hours ago
NT
Senior C# .NET Backend Developer
Nöord Technologies
Montreal, QC
- Full-time
…experiencing strong growth, we are actively seeking an experienced Senior C# .NET Backend…
Added 12 hours ago
YR
Enterprise Cloud Architect (Enterprise Architect)
York Region (The Regional Municipality of York)
Newmarket, ON
- Full-time
Reporting to the ITS Projects Manager or designate within Information Technology Services, the Enterprise Cloud Architect serves as the cloud domain architect within the Enterprise…
Added 14 hours ago
NT
Senior Full-Stack Developer / React Front-End Expert
Nöord Technologies
Montreal, QC
- Contract
…experiencing strong growth, we are actively seeking an experienced Senior Full-Stack Developer / React Front-End Lead (with strong C# Backend…
Added 16 hours ago
Information Security Officer 3 (Security Architect, Application and Product Security)
Government of Alberta
Edmonton, AB
…continuously enhance Alberta’s cybersecurity posture. The Security Architect (Information Security Officer 3) is a senior-level role where you’ll lead security initiatives, projects, or…

Closed listing

123Dentist

Infrastructure Architect

Toronto, ON, Canada

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

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Pay: $150,000 to $175,000 CAD / year
Job type: Full-time
Posting language: English
Posted: Sep 21, 2026

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Added 33 mins ago
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Original job description

Archived listing. The details below describe a past opening.

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

About employer

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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