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Added 15 mins ago
PA
Systems Engineering Manager
PROVINCIAL AEROSPACE LTD
Halifax, NS · Vaughan, ON · Ottawa, ON · St. John's, NL
- Full-time
Five years’ experience at the Senior Level in the last eight years, as a Systems Engineer in the aerospace field.
Added 15 mins ago
D
Infrastructure Architect
Dentist
Toronto, ON
- Full-time
(4 days in office, 1 day remote)
Added 41 mins ago
Software Engineer
Questrade
Toronto, ON
We’re looking for our next Marketing Engineer
Added 41 mins ago
Senior QA Engineer
Questrade
Toronto, ON
The Senior Quality Assurance Engineer will provide a high level of expertise in the areas of Automated and Manual QA activities for applications developed by Questrade Technology Group…
Added 41 mins ago
Principal Software Engineer
Questrade
Toronto, ON
The Principal Software Engineer defines and evolves the target architecture for their domain across Questrade's products, spanning front-end applications (React Native, ReactJS) and…
Added 41 mins ago
Principal Software Engineer
Questrade
Canada
…across the Quest ecosystem and across borders. The Principal / Senior Software Engineer, Backend owns the engineering behind that platform: Real-Time Rail, Interac e-Transfer, ACSS, Lynx,…
Added 3 hours ago
BR-Mechanical Designer
Hatch
Canada
The Senior Mechanical Designer is responsible for the production of mechanical layouts, models and drawings in accordance with project requirements under the supervision of the Lead…
Added 5 hours ago
Y
Senior Process Engineer
Yellowhead
Barrière, BC
- Full-time
Reporting to the Director, Yellowhead Copper Project, the Senior Process Engineer will join an experienced project team advancing a large open pit mining project in British Columbia through…
Added 7 hours ago
RB
Senior Full Stack Engineer
Royal Bank of Canada
Vancouver, BC
- Full-time
As Senior Full Stack Engineer in AI Engineering within US Functions Technology you will be a hands-on contributor helping modernize how US corporate functions build and run their…
Added 7 hours ago
GC
C++ Software Engineer Intern (UFC - Vancouver - Summer 2027 - 8-months)
Game Companies
Vancouver, BC
- Volunteer
We're looking for a C++ Software Engineer Intern to join our UFC team for an 8-month internship beginning in May 2027. Reporting to a Senior Software Engineer and paired with an engineering…
Added 8 hours ago
X
Senior Photonics Engineer - Homodyne Detection
Xanadu
Toronto, ON
- Full-time
We are seeking a Senior Photonic Engineer – Integrated Homodyne to participate in designing, developing and experimentally validating cutting-edge photonic systems. You will be working with…
Added 8 hours ago
X
Packaging Engineer - Die Bonding Process
Xanadu
Toronto, ON
- Full-time
…contribute directly to Xanadu’s rack-scale quantum computer development. In the role of Packaging Engineer, you will work under the guidance of senior engineers to operate, optimize, and…
Added 8 hours ago
X
Sr. Packaging NPI Engineer
Xanadu
Toronto, ON
- Full-time
We are looking for a highly motivated and experienced Senior Packaging New Product Introduction (NPI) Engineer to join our dedicated engineering team. In this pivotal role, you will lead…
Added 9 hours ago
H
Project Manager - Bridges and Structures
HDR
Toronto, ON · Burlington, ON · Richmond Hill, ON
- Full-time
Direct and coordinate work of single or multidiscipline teams throughout the project's lifecycle (from development and initiation to close-out)
Added 9 hours ago
H
Senior Transportation Engineer
HDR
Calgary, AB
- Full-time
Must have coordinated survey, grading, drainage and utilities and layout of various site items is a plus
Added 9 hours ago
C
Senior Software Engineer - Platform
Calder
Toronto, ON
- $179,000 to $250,500 USD / year
- Full-time
- On-site
- Engineer Calder's data processing infrastructure - compute orchestration, storage, scheduling, and monitoring
Added 9 hours ago
NM
Senior Estimator
NS Modular
Edmonton, AB
- Full-time
NS Modular is growing, and we're on the lookout for a passionate, detail-driven Senior Estimator, whose primarily responsible for leading the preparation, coordination, and submission of…
Added 9 hours ago
ND
Senior IT Security Engineer
NTT DATA Canada, Inc.
Ottawa, ON
- Full-time
Must have 10+ years of recent experience working as an IT Security Engineer or similar · Must have 10+ experience with the following:
Added 9 hours ago
Software Engineer
Velora
ON
We're hiring a Software Engineer to help build Velora's AI-native software platform, giving nonprofit teams more time for their mission and less time spent on administration. You'll join…
Added 9 hours ago
Solution architect, digital
National Money Mart Company
Toronto, ON
Perks and Rewards: Enjoy reimbursement for tuition assistance and professional development, discounts through Perkopolis and participate in our rewards and recognition programs to celebrate…
Added 9 hours ago
AT
Vulnerability Researcher - Global (All Levels)
AMT Trend Micro Incorporated (USA)
Canada
- Full-time
We're primarily seeking experienced Senior, Staff, and Principal-level researchers. The ideal candidate will have deep technical expertise and the ability to operate at a Staff level or…
Added 9 hours ago
AC
Principal Technical Lead
Air Canada
Toronto, ON
- Full-time
As a senior, hands-on technical leader, the Principal Tech Lead will shape and operationalize these new practices across Air Canada’s Software and Platform Development teams. Working…
Added 9 hours ago
SM
Backend Platform Engineer
Spin Master Ltd
Toronto, ON
- $136,700 to $182,300 CAD / year
- Full-time
…hand. Hapiko is a Spin Master company, so we pair a small, senior engineering team with the reach of one of the world's largest toy…
Added 9 hours ago
S
Director, Regional Product Management
ServiceNow
Toronto, ON
- Full-time
- Hybrid
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 9 hours ago
B
Cloud Platform Engineer-Databricks
BeachHead
Toronto, ON
- Contract
Working with one of our top financial clients, this role calls for a Cloud Platform Engineer-Databricks to support a new project focused on processing critical data. This is a contract…

Dentist

Infrastructure Architect

Toronto, ON, Canada

Full-time

Apply on workforcenow.adp.com About employer

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Job details

Job type: Full-time
Work location: (4 days in office, 1 day remote)
Posting language: English
Posted: Nov 3, 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

Apply on workforcenow.adp.com About employer

More about this job

Skills

Onboarding
Coaching
Microsoft Windows Server
Microsoft Active Directory
Microsoft 365
Microsoft Azure
LAN
WAN
Incident response
Documentation
Troubleshooting
Microsoft PowerShell
Infrastructure as code
Leadership
Computer technology
Computer science
System administration
Cost management
VPN
DNS
DHCP
IT service management
CCNA
Security+
ITIL
Problem solving

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Work requirements

Jobs in Canada