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Added 15 mins ago
TC
Strategic Initiatives Coordinator (Innovation)
The Corporation of the Town of Ajax
Ajax, ON · Town Hall
- Full-time
Reporting to the Manager of Strategic Initiatives, the Strategic Initiatives Coordinator (Innovation) serves as the Corporation’s subject-matter expert and internal catalyst for operational…
Added 4 hours ago
SM
RQ11491 - Product Manager - Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Product Manager with strong experience in product management, digital transformation, Agile delivery, enterprise architecture, and Microsoft technologies. The ideal…
Added 4 hours ago
SM
RQ11491 - Product Manager - Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Product Manager with strong experience in product management, digital transformation, Agile delivery, enterprise architecture, and Microsoft technologies. The ideal…
Added 4 hours ago
SM
RQ11491 - Product Manager - Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Product Manager with strong experience in product management, digital transformation, Agile delivery, enterprise architecture, and Microsoft technologies. The ideal…
Added 4 hours ago
SM
GOAPRDJP000001045 – Project Manager (IT) – Senior
S M Software Solutions Inc
AB · Edmonton, AB
- Internship
Job Title: GOAPRDJP000001045 – Project Manager (IT) – Senior
Added 4 hours ago
SM
GOAPRDJP000001045 – Project Manager (IT) – Senior
S M Software Solutions Inc
AB · Edmonton, AB
- Internship
Job Title: GOAPRDJP000001045 – Project Manager (IT) – Senior
Added 4 hours ago
SM
GOAPRDJP000001045 – Project Manager (IT) – Senior
S M Software Solutions Inc
AB · Edmonton, AB
- Internship
Job Title: GOAPRDJP000001045 – Project Manager (IT) – Senior
Added 17 hours ago
SM
RQ11491 - Product Manager - Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Product Manager with strong experience in product management, digital transformation, Agile delivery, enterprise architecture, and Microsoft technologies. The ideal…
Added 19 hours ago
MC
Transportation Safety Manager
Migrate Corp
Mississauga, ON
- Full-time
## 🚨 SYSTEM TEST: Enterprise Senior Principal Lead Full-Stack Omni-Channel Cloud Architect, Developer, & Quality Assurance Visionary (GenAI/Web5/Quantum-Ready) - Level IX (Band 12-A) 🚀
Added 19 hours ago
RE
Junior Geologist
Rubellite Energy
AB · Calgary, Alberta
- Full-time
Working across Rubellite’s WCSB heavy oil and Clearwater assets, the successful candidate will support senior geologists and engineers from initial play evaluation through well execution…
Added 19 hours ago
FD
Client Service Advisor – Full-time, Permanent – Acton, ON
Fraser Direct
Acton, ON
- Full-time
…the judgment to know when an issue needs support from a more senior team member. You also see the bigger picture and act as an important link between clients and the Warehouse Operations…
Added 1 day ago
DE
PROJECT MANAGER
Design Electronics
Niagara Falls, ON
- Full-time
Reporting to the Director of Operations, the Project Manager (Integrated Technology) will work closely with leadership, multi-disciplinary teams, and sub-contractor trades to manage…
Added 1 day ago
P
Staff Pharmacist (Full-Time)
Pharmacy.ca
Toronto, ON
- Full-time
We are seeking an experienced Compounding Operations Manager to lead the day-to-day operations of our non-sterile compounding laboratory and help build the next stage of our growing…
Added 2 days ago
NK
Dog Trainer - Apprenticeship Program
Noble k9
St. Agatha, ON · Saint Agatha, ON
- Internship
15 hours/week: Kennel operations (feeding, cleaning, enrichment, exercise, care)
Added 2 days ago
1
Infrastructure Architect
123Dentist
Toronto, ON
- $150,000 to $175,000 CAD / year
- Full-time
Reports To: Senior Infrastructure Engineering Manager
Added 2 days ago
MM
Construction senior project manager
M.V. Mark Inc.
Pointe-Claire, QC
- From $155,000 CAD / year
- Full-time
- On-site
Added 2 days ago
AU
Manager, Health & Safety
Algoma University
Brampton, ON
- $91,863 to $114,829 CAD / year
Senior Specialist, Wellness & Disability Management
Added 2 days ago
EC
IT Service Desk II – Open Competition
Enoch Cree Nation
Enoch, AB
- Full-time
…Information Technology, and the Education Data and Compliance Manager to ensure technology services, device inventories, documentation, and quality-assurance requirements are maintained…
Added 2 days ago
1
Dental Office Manager-Edmonton, AB
123Dentist
AB · Edmonton, AB
- Full-time
Our beautiful clinic located in Edmonton, Alberta is looking for a passionate, hard-working Office Manager on a full-time basis.
Added 2 days ago
Contracts Administrator
Aecon
Hamilton, ON
Reporting to the Senior Manager, Procurement and Subcontract, the Contracts Administrator will support the commercial and contract management of some major projects in civil.
Added 3 days ago
Program Manager, Ontario South
Tim Hortons Foundation Camps
ON
This role delivers programs and supervises team members in the classroom, community, and at camp. The Program Manager, Ontario South reports into the Senior Manger, Ontario South and will…
Added 3 days ago
AU
Manager, Health & Safety
Algoma University
Brampton, ON
- $91,863 to $114,829 CAD / year
- Full-time
Senior Specialist, Wellness & Disability Management
Added 3 days ago
Research Technician II
OICR
ON · MaRS Centre, Toronto, Ontario
…validations, library prep and high-throughput genomic sequencing operations, with a primary focus on the preparation, loading, maintenance, and operation of next-generation sequencing (NGS)…
Added 3 days ago
N
Regional HSE&S Manager - Americas
Neoen
Toronto, ON
- Full-time
…the company’s HSE&S system, Neoen is hiring a Regional HSES Manager who will be responsible for the development, implementation, control and continuous assessment of the required procedures…
Added 3 days ago
ON
Engine Service Officer
Ontario Northland
North Bay, ON
- Full-time
The Engine Service Officer is a senior railway operating and technical authority responsible for qualifying, certifying and assessing the competency of Conductors, Locomotive Engineers and…

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 Information Technology or 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
System Administration
Incident Response
Infrastructure Automation
Technical Mentorship
M&A Integration

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
AZ-104
AZ-305
MD-102
SC-300
CCNA
Security+
ITIL
Cloud Migration
Endpoint Management
System Engineering
Disaster Recovery
ITSM
Virtualization
Network Refresh
Identity Modernization
Technical Documentation

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