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Added 6 mins ago
PC
Senior Project Manager, Highway Engineer Lead – Eastern Canada Region | Ingénieur(e) principal(e), génie routier – Région de l’Est du Canada
Parsons Corporation
Ottawa, ON
- Full-time
Senior Project Manager, Highway Engineer Lead – Eastern Canada Region
Added 6 mins ago
E
Health and Safety Advisor - Atlantic Canada
Englobe
Dartmouth, NS
- Full-time
…supporting successful project delivery. This role requires a strong field presence, sound judgment, and the ability to build productive relationships across all levels of the…
Added 21 mins ago
CI
Geotechnical Engineer/Project Manager
Cambium Inc.
Barrie, ON · Whitby, ON
- Full-time
Lead and support geotechnical field investigations, including borehole drilling, test pit excavation, in situ testing, instrumentation installation, and construction observation services.
Added 21 mins ago
C
Senior Java Engineering Lead
Citi
Mississauga, ON
- Full-time
As a Senior Backend Java Engineer, you will design and build scalable backend systems that power critical applications within Citi's technology organization. This hands-on role puts you at…
Added 36 mins ago
B
Building structural Engineer
BPA
Montreal, QC
- Full-time
We are seeking a Structural Building Engineer who is passionate about asset preservation, rehabilitation, and the transformation of existing buildings. As part of a multidisciplinary…
Added 52 mins ago
Senior or Staff Software Engineer, Backend
League Inc.
Canada
As a Senior or Staff Software Engineer, Backend on our Product Engineering team, you bring deep technical expertise to the design and delivery of the foundational services and developer…
Added 1 hour ago
J
Python Engineer, New Grad
Jobright.ai
Canada
- Full-time
…accelerating your route to the best job outcomes. As a Python Engineer, New Grad, you will contribute to backend services, data pipelines, APIs, and AI-powered workflows used by real job…
Added 1 hour ago
S&
Field Supervisor
SIRATI & PARTNERS CONSULTANTS LTD.
Markham, ON
- Full-time
Company Description SIRATI & PARTNERS CONSULTANTS LTD. provides specialized consulting services in geotechnical engineering, engineering geology, environmental, and hydrogeology disciplines…
Added 1 hour ago
DI
Senior Applied Intelligence Platform Engineer
Dawn InfoTek
Toronto, ON
- Contract
…organizations. We are committed to delivering cutting-edge IT consulting services and providing highly qualified talent for a wide range of technology…
Added 1 hour ago
N
NPI & Trials IP Engineer
Nokia
Ottawa, ON
- Full-time
…skilled NPI (New Product Introduction Specialis) & Trials IP Engineer to join our team and help us drive innovation in the exciting world of telecommunications. You'll be at the forefront…
Added 1 hour ago
AS
Electrical Engineer
Abacus Service Corporation
Markham, ON
- $70 to $83 CAD / hour
- Contract
…Control Engineering manager, the Lead Protection and Control Engineer will be part of the regional Projects and Services execution…
Added 1 hour ago
M
Associate Applied AI Engineer – GenAI Systems
Manulife
Toronto, ON
- Full-time
Engineer features from structured and unstructured data and help ensure solutions remain robust as data evolves.
Added 1 hour ago
IF
Senior Data Developer
Intact FC
Montreal, QC
- Full-time
We are looking for a Senior Data Developer (Engineer) to help establish the data foundation for Contact Distributor, Intact’s new platform for broker and distributor master data. The…
Added 1 hour ago
AI Engineer
Bell
Toronto, ON
We are looking for a hands-on AI Engineer (CP2) to design, build, and deploy the next generation of AI-driven workflows and autonomous systems at Bell.
Added 2 hours ago
EI
Project Engineer
EBC Inc.
Delta, BC
- Full-time
…deadlines and budgets as well as our vast expertise in the field allow us to actively participate in large-scale projects such as the Samuel-De-Champlain Bridge, the Réseau Express…
Added 2 hours ago
S
Geotechnical Engineer in Training
Stantec
Calgary, AB
- Full-time
Are you a passionate and driven young engineer looking to make a real impact on your community? Stantec is a global engineering consulting firm dedicated to creating sustainable and…
Added 2 hours ago
PC
Senior Bridge Engineer
Parsons Corporation
Halifax, NS
- Full-time
Parsons is now hiring a Senior Bridge Engineer in Halifax. The primary scope of this role is to develop bridge and structural designs for work locally and across Canada. The role includes…
Added 2 hours ago
T
AVP, Analytics, Insights and AI, AI Product
TD
Toronto, ON
- Full-time
Ability to constructively challenge architecture, integration, cloud/platform, API, reliability, security and cost trade-offs without being the principal engineer or model developer.
Added 2 hours ago
Data Science Engineer
National Research Council Canada
Ottawa, ON
We are looking for a Data Science Engineer to support our Digital Technologies research Centre (DT). The Data Science Engineer would be an employee who shares our core values of Integrity,…
Added 2 hours ago
SM
Instrumentation & Controls Engineer - Project Lead
Solaris Management Consultants Inc
Surrey, BC
- $130,000 to $170,000 CAD / year
- Full-time
Job Title: Instrumentation and Controls Engineer – Project Lead
Added 2 hours ago
XI
Analytics Engineer, Network Intelligence
Xplore Inc.
Canada
- Full-time
…optic and 5G wireless network to enable innovative broadband services for better every day rural living, for today and future…
Added 2 hours ago
AI
Wind Energy Field and Operations Specialist
Acuren Inspection, Inc.
Saint John, NB · Sarnia, ON · Goderich, ON · Quebec, QC · St. John's, NL
- Full-time
1-2 years of experience as Field Engineer, project lead, or Project Manager, experience preferably in a related service, industrial or manufacturing setting
Added 3 hours ago
CO
Construction Services Supervisor
City of Welland
Welland, ON
- $97,156 to $113,659 CAD / year
- Full-time
Under the direction of the Manager of Capital Engineering, the Construction Services Supervisor is responsible for planning, coordinating, and overseeing annual maintenance construction…
Added 3 hours ago
TS
Mechanical Designer Engineer/Technologist
TalentSphere Staffing Solutions
AB · Edmonton, AB
- Full-time
Mechanical Technologist / Designer / Engineer
Added 3 hours ago
TS
Electrical Designer/Engineer
TalentSphere Staffing Solutions
Toronto, ON
- Full-time
…in Toronto that is looking to add an Electrical Designer or Engineer to its growing team. This opportunity is ideal for candidates with hands-on experience in the building consultancy /…

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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