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Added 18 mins ago
BP
Senior Process Engineer
Bunch Projects
Calgary, AB
- Full-time
We are seeking a senior Process Engineer to join our design and engineering team. The successful candidate will work closely with a multidisciplinary team to provide process engineering…
Added 18 mins ago
BP
Senior Project Engineer
Bunch Projects
Calgary, AB
- Full-time
We are seeking a senior Project Engineer to join our design and engineering team. The successful candidate will provide technical and project support across cross-functional teams,…
Added 18 mins ago
AS
Engineering Manager
Alliance Search Partners
Mississauga, ON
- Full-time
As a licensed Professional Engineer with a background in Electrical Engineering, you will provide technical oversight, review, and mentorship to your team, including the Mechanical…
Added 34 mins ago
SA
Senior Backend Engineer, NimbleRx
Swoop Airlines and Aviation
Toronto, ON
- $195,000 to $228,000 CAD / year
As a Senior Backend Engineer, you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies, and other…
Added 48 mins ago
DM
Senior Electrical Engineer
Discovery Mining Ltd
Timmins, ON
- $104,000 to $130,000 CAD / year
- Full-time
Discovery Kidd has an exciting opportunity for a Senior Electrical Engineer.
Added 1 hour 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 1 hour ago
E
Senior Structural Engineer
EastPoint
Halifax, NS
- Full-time
EastPoint is looking for a Senior Structural Engineer with 10+ years’ of experience in the structural engineering industry. At EastPoint, we value growth and mentorship. Senior engineers…
Added 1 hour ago
A
Bulk Handling Senior Engineer
Arcadis
Longueuil, QC
- Full-time
In addition to project delivery responsibilities, the individual develops and maintains strong relationships both internally and externally. They collaborate with other technical…
Added 2 hours ago
D
Sr Software Engineer
Deltek
Calgary, AB
- Full-time
Deltek is looking for a Senior Software Engineer to join our established Replicon Core team, a tight-knit group of full-stack developers, architects, and rising talent building products…
Added 2 hours ago
HR
RAM Specialist, Senior
Hitachi Rail
Toronto, ON
- Full-time
The Senior RAM Specialist will also work under the guidance and mentorship of more senior team members to learn and perform RAM Engineering tasks and activities for CBTC systems. He/she…
Added 2 hours ago
HR
Technical Safety Specialist
Hitachi Rail
Toronto, ON
- Full-time
The Safety Engineering department is responsible for the safety of the products and project solutions developed and deployed by the Urban Rail Signaling business line and compliance to…
Added 2 hours ago
SR
Junior Mechanical Engineer
Stellar Recruitment Inc.
North Vancouver, BC
- $60,000 to $70,000 CAD / year
- Full-time
…products and custom-engineered components to meet customer and project…
Added 2 hours ago
EV
Senior Engineer, Maintenance
Elk Valley Resources
Elkford, BC
- $123,000 to $145,000 CAD / year
Reporting to the Senior Supervisor, Engineer the Senior Engineer, Maintenance is responsible
Added 2 hours ago
EV
Senior Engineer, Maintenance
Elk Valley Resources
Elkford, BC
- $123,000 to $145,000 CAD / year
- Full-time
Reporting to the Senior Supervisor, Engineer the Senior Engineer, Maintenance is responsible
Added 2 hours ago
SS
Senior Substation Engineer
Suna Solutions
Montreal, QC
- $135,000 to $155,000 CAD / year
- Full-time
We are seeking an experienced Senior Substation Engineer to lead the technical engineering and coordination of utility-scale renewable energy projects across North America. This role…
Added 2 hours ago
CE
Senior Project Engineer
Cenovus Energy
Calgary, AB
- Full-time
Reporting to the Senior Manager, Project Engineering & Program Management, the Senior Project Engineer is responsible for ensuring the safe, on-budget, on-schedule, and high-quality…
Added 3 hours ago
S
Measurement Specialist
SECURE
Calgary, AB
- Other
…procedures, and related documentation, with technical review by the Senior Measurement Engineer and approval by the Measurement…
Added 3 hours ago
EG
Senior Electrical Engineer
Egis Group
Toronto, ON
- $120,000 to $150,000 CAD / year
- Full-time
Senior Electrical Engineer is a senior-level engineering role based in Toronto, Ontario, Canada, supporting the delivery of complex electrical infrastructure across industrial and…
Added 3 hours ago
CE
Senior Project Engineer
Cenovus Energy
Calgary, AB
- Full-time
Reporting to the Senior Manager, Project Engineering & Program Management, the Senior Project Engineer is responsible for ensuring the safe, on-budget, on-schedule, and high-quality…
Added 3 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 3 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 3 hours ago
C
Lead Java Developer, Vice President
Citi
Mississauga, ON
- Full-time
The Applications Development Technology Lead Analyst (Lead Java Developer) is a senior-level position responsible for leading the architectural design, implementation, and continuous…
Added 3 hours ago
EI
Senior Electrical Engineer
Egis in Canada
Toronto, ON
- $120,000 to $150,000 CAD / year
- Full-time
Senior Electrical Engineer is a senior-level engineering role based in Toronto, Ontario, Canada, supporting the delivery of complex electrical infrastructure across industrial and…
Added 4 hours ago
TS
Senior Associate - Relocation to Edmonton (Relocation Bonus)
TalentSphere Staffing Solutions
Toronto, ON
- Full-time
We are working with a growing consulting engineering firm in Edmonton looking for an experienced Senior Mechanical Engineer who is ready to take the next step into a Senior Associate-level…
Added 4 hours ago
M
Senior Full Stack Java Engineer
Miratech
Canada
- Full-time
We are looking for a Senior Full Stack Engineer to join our engineering team and and contribute to the development of solutions for telecom and contact center environments. The ideal…

123Dentist

Infrastructure Architect

Toronto, ON, Canada

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

Apply About employer

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

Apply About employer

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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