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Added 30 mins ago
WI
Lead Instrumentation & Control Engineer, Resources
WSP in Canada
Markham, ON
- Full-time
This is your opportunity to shape high-impact infrastructure, drive innovation in automation and process control, and collaborate with multidisciplinary teams delivering transformative…
Added 30 mins ago
D
Devsecops Engineer
Deel
Canada
- Full-time
We are currently seeking a DevSecOps Engineer to join our team. If you have a passion for automation, security, and infrastructure, we invite you to apply for this exciting opportunity. As…
Added 30 mins ago
A
Senior Project Engineer
ABB
Calgary, AB
- Full-time
ABB is seeking a Senior Lead Project Engineer to join our team. In this role, you will provide technical leadership and oversee the successful execution of multidisciplinary electrical…
Added 30 mins ago
PC
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
PwC Canada
Ottawa, ON
- Full-time
…position offers an opportunity to build your expertise in cloud infrastructure security, secure application development, DevSecOps and emerging capabilities/skills in AI, while growing your…
Added 1 hour ago
KG
IAM Automation Engineer (Python & PingDS Focus)
K&K Global Talent Solutions INC.
Quebec, QC
- Full-time
We are seeking a highly analytical IAM Automation Engineer who uniquely bridges the gap between Identity & Access Management (IAM) infrastructure and core Python software engineering. In…
Added 1 hour ago
AI
Project Manager - Civil Engineering
American Iron & Metal (AIM)
Montreal, QC
- Full-time
…will be responsible for delivering civil engineering, railway infrastructure, new building construction, and renovation projects across Eastern Ontario, Quebec, and the Atlantic…
Added 1 hour ago
ET
Senior LLM Research Engineer
Encore Technical Solutions Inc.
Toronto, ON
- Full-time
We're looking for a Senior LLM Research Engineer to help build and optimize advanced language models for complex, real-world applications. This role spans the full lifecycle of model…
Added 1 hour ago
Systems Engineer, Data Center Debug
Tenstorrent
Toronto, ON
Hands-on engineer who excels at diagnosing complex hardware, firmware, and software issues through root-cause analysis.
Added 1 hour ago
Senior Instrumentation & Controls Engineer - Industrial Sector
Kiewit
Calgary, AB
Professional Engineer (PE) license preferred.
Added 1 hour ago
D
Principal Product Manager, Sandboxes
Docker
Remote, Canada
- Full-time
- Remote
…developers, deep technical fluency in systems and developer infrastructure, and prior experience as a software engineer. You will need to understand containers, sandboxes/microVMs,…
Added 1 hour ago
A
Mechanical Engineer, Data Centers
AECOM
Markham, ON
- $90,000 to $145,000 CAD / year
- Full-time
…helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for…
Added 1 hour ago
A
Senior Electrical Engineer, Data Centers
AECOM
Markham, ON
- $125,000 to $175,000 CAD / year
- Full-time
…helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for…
Added 1 hour ago
A
Senior Mechanical Engineer, Data Centers
AECOM
Markham, ON
- $125,000 to $175,000 CAD / year
- Full-time
…helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for…
Added 1 hour ago
A
Design Manager, Data Centers
AECOM
Markham, ON
- $150,000 to $200,000 CAD / year
- Full-time
…helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for…
Added 1 hour ago
P
Sr. Fuil Stack Engineer, Threat Intelligence
Proofpoint
ON · Ontario, Canada
- Full-time
…with additional responsibility for database management and infrastructure as needed to support the team's…
Added 1 hour ago
AI
AWS DATA ENGINNER
Apptoza Inc.
Toronto, ON
- Contract
Experience with CI/CD practices and Infrastructure as Code tools such as Terraform, AWS CDK, or CloudFormation.
Added 1 hour ago
P
Sr. Fuil Stack Engineer, Threat Intelligence
Proofpoint
Quebec, QC
- Full-time
…with additional responsibility for database management and infrastructure as needed to support the team's…
Added 1 hour ago
G
Senior AI Engineer
Guidepoint
Toronto, ON
- Full-time
You'll be an early engineer on a new initiative: taking working prototypes to production and shaping the architecture as the product scope grows. This is a hands-on role with broad…
Added 1 hour ago
AI
JAMS Platform Engineer
Apptoza Inc.
Toronto, ON
- Contract
Seeking a hands-on engineer to drive the reliability| automation and modernization of the enterprise JAMS workload automation platform. The role combines JAMS platform expertise with…
Added 1 hour ago
Q(
MONTREAL [HYBRID] - Storage Administrator
QUANTEAM (RAINBOW PARTNERS Group)
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
-Administer and engineer storage solutions in a large-scale 24x7 environment.
Added 1 hour ago
S
Senior Data Engineer, NimbleRx
Swoop
Toronto, ON
- Temporary
As a Senior Data Engineer, you will own NimbleRx’s data platform - the layer that every other team builds on to understand the business, ship product features, and meet our compliance…
Added 1 hour ago
S
Intermediate Civil Designer
Stantec
Saskatoon, SK
- Full-time
…every season. You will have the opportunity to contribute to infrastructure that directly supports growing communities and regional connections. An example of impactful work that our local…
Added 1 hour ago
Senior Platform Engineer, AI & Fabrics
BMO
Toronto, ON · FCP
…experienced Senior Engineers to help build and operate the core infrastructure that governs how AI runs at BMO: the AI Gateway, Policy Engine, Identity Fabric, AI Registry, Guardrails…
Added 1 hour ago
A
Americas Signaling Leader
Arup
Toronto, ON
- Full-time
…consultants, and technical specialists to support major rail infrastructure and transport projects. Our rail systems work spans planning, design, delivery, construction phase support,…
Added 1 hour ago
PC
Co-op Student - Process Engineer - January 2027 (12 Month Term)
Parkland Corporation
Burnaby, BC
- Contract
Sunoco LP is a leading energy infrastructure and fuel distribution master limited partnership operating across 32 countries and territories in North America, the Greater Caribbean, 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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