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Added 5 mins ago
GM
Software Engineering Manager - Vehicle Data Platform
General Motors
Oshawa, ON · Markham, ON
- Full-time
The Data Engineering organization at General Motors is building a unified Vehicle Data Platform that moves data and configuration between vehicle ECUs and the cloud. Our team is the only…
Added 5 mins ago
Bilingual Senior Specialist, Software Engineering (Environment Management)
CMHC - SCHL
Ottawa, ON · Montreal, QC
Join the Platform Engineering team, in the Senior Specialist, Software Engineering & Environment Management position, where we’re modernizing how CMHC builds and operates software…
Added 5 mins ago
CPX Technical Supervisor
Vestas
Sainte-Apolline-de-Patton, QC · Quebec, QC · Lac-Mégantic, QC · Saint-Mathieu-de-Rioux, QC · Saint-Noël, QC · Dégelis, QC · Saint-Antonin, QC · Rivière-Pentecôte, QC
- The right hand of the Construction Manager.
Added 5 mins ago
T
Sr. HR Business Partner
Thumbtack
Remote, Canada
- Full-time
- Remote
Comfort experimenting with AI tools and turning ideas into working solutions, with or without engineering support
Added 5 mins ago
P
Software Engineer, AI
Pebl
Remote, Canada
- $109,200 to $140,000 CAD / year
- Full-time
- Remote
…who've been doing this for years. This role reports to the Engineering Manager, with day-to-day work led by our Staff Software…
Added 19 mins ago
CO
Technician I (310T Mechanic)
City of Greater Sudbury
Sudbury, ON · Greater Sudbury, ON
- Internship
Capable of using computer technology, including fleet software programs.
Added 19 mins ago
TS
Associate – Front Office Quant Engineer
TD Securities
Toronto, ON
- Full-time
The Quantitative Engineering and Development (QED) team is a front-office quantitative technology and analytics group within TD Securities that supports the Global Equity Derivatives…
Added 19 mins ago
S
Construction Project Manager
StafinGo
Canada
- Full-time
Our client is seeking a motivated and experienced Project Manager to lead the successful delivery of construction and environmental projects. In this role, you will oversee all phases of…
Added 19 mins ago
E
AI Continuous Improvement Specialist
Evans
Calgary, AB
- Full-time
Reporting to the Manager – QEHS & Continuous Improvement, the AI Continuous Improvement Specialist will collaborate with teams across the organization to identify process improvement…
Added 19 mins ago
B
Sr. PMO Project Manager/Chef de projet senior, PMO
Bluberi
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Reporting to the Project Delivery Manager, Project Management Office (PMO), the Sr. PMO Project Manager will be assigned to product delivery initiatives, special projects, process…
Added 19 mins ago
AS
Project Manager
AgileGrid Solutions
Canada
- Full-time
We are seeking a highly skilled Mechanical Engineering Technician to join our team. In this pivotal role, you will oversee multiple large-scale projects, ensuring that each meets the…
Added 20 mins ago
Deputy Project Director
JDS Energy & Mining
Vancouver, BC
Minimum of 10 years of pertinent engineering or operations experience in engineering or construction, including at least 5 years of increasing responsibility as a project manager.
Added 20 mins ago
Senior Manager, Software Engineering
Questrade Financial Group
Toronto, ON
We’re looking for our next Senior Manager, Software Engineering. Could It Be You?
Added 49 mins ago
SP
Skilled Trades Worker, Electrician
Seneca Polytechnic
Toronto, ON · North York, ON
- Full-time
Under the direction of the Facilities Manager, the Licensed Electrician supports internal customers by performing a variety of tasks related to the installation, maintenance,…
Added 50 mins ago
Senior Machine Learning Engineer, Recommendations
Lyft
Toronto, ON
Collaboration: Partner with ML engineers, product managers, data scientists, and software engineers to align ML initiatives with business goals.
Added 50 mins ago
QD
Wall Panel Production Manager, Star Building Materials
Qualico Developments Canada Ltd.
AB
- Full-time
Reporting to the Manufacturing Manager, as the Production Manager, Wall Panels you will ensure wall panels are manufactured in an accurate, efficient, and safe manner. You also lead and…
Added 50 mins ago
M-
Gestionnaire de programme, Entrepreneuriat scientifique / PM, Scientific Entrepr
Mila - Institut québécois d'intelligence artificielle
Remote, Canada
- Full-time
- Remote
Program Manager - Scientific Entrepreneurship
Added 50 mins ago
Delivery Manager
Konrad
Toronto, ON
Konrad is looking for an experienced Delivery Manager to drive the seamless execution and delivery of our digital and AI solutions. You've successfully managed cross-functional project…
Added 1 hour ago
L
Database Administrator
LCBO
Toronto, ON
- Full-time
…strives for operational excellence? Reporting to the Senior Manager, Infrastructure, you will be responsible for the administration, maintenance, security, performance, and support of…
Added 1 hour ago
H
Improvement Project Implementation Intern
Hitachi
London, ON · (HE)Office_ON, Stoney Creek
- Full-time
Follow various projects to completion, working closely with CI leadership, factory manager, finance, and external vendors (this may include small kaizen events, non-capitalizable…
Added 1 hour ago
GC
Senior CADD/Drafting Tech
Geosyntec Consultants, Inc.
Cambridge, ON
- Full-time
…(CADD) for a variety of environmental, civil and geotechnical engineering design projects. We are seeking a motivated individual who can develop layouts, grading plans and details for civil…
Added 1 hour ago
K
Senior Web Developer (Full Stack)
Klick
Toronto, ON
- Full-time
…of Klick’s Full Stack + AI team. The role combines deep web engineering expertise with AI-native development practices, using coding agents, structured context, automated verification, and…
Added 1 hour ago
K
Senior Web Developer (Full Stack)
Klick
Toronto, ON
- Full-time
…of Klick’s Full Stack + AI team. The role combines deep web engineering expertise with AI-native development practices, using coding agents, structured context, automated verification, and…
Added 1 hour ago
WP
Quality Manager
Wood PLC
Saskatoon, SK
- Full-time
Wood Mining & Minerals business is seeking a Quality Manager at our project site in Saskatchewan to work on a rotational basis. (current rotation is 14 x 14, 11 hrs/day).
Added 1 hour ago
CO
Design and Construction Engineer
City of St. Catharines
St. Catharines, ON
- Full-time
Reviewing and updating general tender specifications for all municipal construction projects in cooperation with the Manager of Engineering and Construction and the other Design and…

123Dentist

Infrastructure Architect

Toronto, ON, Canada

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

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Applications open in a new tab.

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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