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Added 8 mins ago
CO
Human Resources Generalist
City of Saint John
Saint John, NB
- Full-time
…Resources roles as required, helping to maintain continuity of service during absences, periods of increased workload, or other operational needs. This includes supporting key HR processes…
Added 8 mins ago
B
Senior Manager, Credit Risk Learning
BMO
Toronto, ON · FCP
- Full-time
…developing the learning strategy, designing program and identifying delivery methods including the identification of innovative learning…
Added 8 mins ago
B
Client Service Associate, BMO Nesbitt Burns
BMO
Calgary, AB · CALG
- Full-time
…with day-to-day administration and provides exceptional client service to support achievement of business objectives. As this role contributes to the overall success of the Investment…
Added 8 mins ago
B
Mortgage Specialist
BMO
Markham, ON
- Full-time
Supports the delivery of targeted marketing programs, promotions, and other initiatives.
Added 8 mins ago
LS
FP&A Customer Success Manager
Limelight Software
Toronto, ON
- Full-time
We’re looking for a Customer Success Manager with a strong FP&A background to help customers get lasting value from Limelight.
Added 8 mins ago
L
Project Manager, Building Construction
Ledcor
Edmonton, AB
- Full-time
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TL
Food Services Aide
Trico Living Well Inc
AB · Calgary, AB
- Part-time
Under the supervision of the Food Services Manager/Executive Chef, the Food Services Aide is responsible for assisting with the preparation and service of meals, maintaining cleanliness in…
Added 8 mins ago
H
Life Cycle Support Analyst
Hitachi
Toronto, ON · (RSBU) Toronto
- Full-time
…global CBTC and interlocking projects. Lead the preparation and delivery of complex Long-Term Support contracts across multiple countries. From the bid phase through to long-term operation,…
Added 23 mins ago
H
Customer Success Manager
Haystack
Canada
- Full-time
Establish performance metrics and operational structures to optimize team execution and service delivery
Added 23 mins ago
PT
ITSM Service Desk Manager
Poly Tech Talent
Toronto, ON
- Full-time
Our client, a large global software organization, is seeking an experienced Service Desk Manager to lead and develop its IT support function while driving improvements in IT Service…
Added 23 mins ago
AE
Project Engineer / Project Manager
Associated Engineering
Yellowknife, NT
- Full-time
…seeking an experienced and dedicated Project Engineer/Project Manager to join our team in our Yellowknife office. This role is a great opportunity for a motivated engineering professional…
Added 23 mins ago
MC
Property Administrator
Medallion Corporation
Toronto, ON
- Full-time
…experienced people in all aspects of Property Management, Customer Service, Development, and Construction, people who are committed to delivering the very best in the role that they play to…
Added 23 mins ago
A
Ready Mix Operations Manager
Aplin
Kitimat, BC
- Full-time
The Operations Manager will serve as the central point of operational accountability, coordinating production, dispatch, logistics, fleet, quality, maintenance, materials, and workforce…
Added 23 mins ago
TP
Early Childhood Development Manager
Trimark People Solutions
Alert Bay, BC
- Full-time
We are seeking a dedicated and community-focused Early Childhood Development (ECD) Manager to lead the ‘Na̱mǥis ECD Team in developing and implementing services for parents and children…
Added 23 mins ago
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Assistant Chef Manager
Farm Boy Inc.
Brantford, ON
- $21 CAD / hour
- Full-time
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Added 23 mins ago
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Infrastructure Solution Architect
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Toronto, ON
- Full-time
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Production Manager - CWT Kitchener
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Kitchener, ON
- Full-time
The Production Manager is responsible for the safe, efficient, and cost-effective operation of the manufacturing plant during the assigned shift. This hands-on leadership role requires…
Added 24 mins ago
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Electronic Production Manager
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Toronto, ON · North York, ON
- Full-time
A precision sensor manufacturer in North York is looking for a hands-on Electronic Production Manager to run its laser velocimeter manufacturing, electronics department, and PC test lab.…
Added 24 mins ago
SH
Clinical Service Leader - Clinical Nutrition - Infant Nutrition Preparation Room
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Overseeing the daily clinical service delivery and environmental/operational issues in a designated service area to ensure optimum patient/resident/client care in a safe therapeutic…
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Registered Nurse (N2) - Obstetrics, Gynecology and Neonatology Resource Team
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Winnipeg, MB
- Full-time
Under the general supervision of the Manager Health Services, and while demonstrating a commitment to the Mission, Values and Management Philosophy of St. Boniface Hospital, the Registered…
Added 24 mins ago
Project Leader, Transit Facilities
City of Mississauga
Mississauga, ON
Reporting to the Manager, Transit Facilities, the Project Leader, Transit Facilities, will lead the strategic planning and development of transit facility infrastructure projects, including…
Added 37 mins ago
TY
Events Coordinator
The York School
Toronto, ON
- $60,000 to $68,000 CAD / year
- Full-time
Reporting to the Community Engagement & Events Manager, the Events Coordinator is responsible for planning, coordinating, and supporting a diverse range of school events that foster…
Added 37 mins ago
A
Finance Manager - Acura of Hamilton
AutoCanada
Hamilton, ON
- $70,000 to $120,000 CAD / year
- Other
A Financial Services Manager in a dealership environment oversees and manages the dealership's finance and insurance operations. They work closely with customers to offer financing options,…
Added 38 mins ago
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Digital Marketing Specialist
Wajax
Toronto, ON
- Full-time
…multiple channels. This role will support the Sr. Marketing Manager and will be responsible for translating marketing objectives into effective media strategies, managing campaign…
Added 38 mins ago
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Content Marketing Specialist
Wajax
Toronto, ON
- Full-time
…digital campaigns. This role will support the Sr. Marketing Manager and is strong writer with an understanding of content strategy, SEO, audience engagement, and digital marketing…

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
Apply by: Nov 17, 2026
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 About employer

More about this job

Responsibilities

Design, engineer, and deliver infrastructure transformation across on-premises and cloud environments, including Azure, hybrid identity, endpoint management, and network modernization. Resolve complex Tier 2/3 incidents, lead major-incident response, mentor technical teams, and integrate newly acquired practices into the organization’s IT environment.

Requirements

Requires a bachelor’s degree in IT, computer science, or a related field, or equivalent hands-on experience, and 7–8+ years of infrastructure or systems engineering experience. Candidates should bring expert Windows Server and hybrid identity skills, strong Azure and Intune experience, network engineering knowledge, PowerShell automation capability, and experience leading infrastructure projects; M&A integration experience and relevant certifications are assets.

Skills

Windows Server Administration
Active Directory
Microsoft Entra ID
Microsoft Azure
Microsoft Intune
Microsoft 365
Hybrid Identity
Conditional Access
Multi-Factor Authentication
Role-Based Access Control
PowerShell
Infrastructure As Code
Network Engineering
Incident Response
Cloud Migration
Mergers And Acquisitions Integration

Visa sponsorship

Not detected in the job text

Keywords

Windows Server
Active Directory
Microsoft Entra ID
Microsoft Intune
Microsoft 365
Microsoft Azure
PowerShell
Infrastructure As Code
Hybrid Identity
Conditional Access
Multi-Factor Authentication
Role-Based Access Control
Azure Landing Zones
Virtual Machines
Virtual Networking
Cloud Migration
Endpoint Management
LAN/WAN
Routing
VLANs
VPN
DNS/DHCP
Firewalls
Backup And Disaster Recovery
IT Service Management
Infrastructure Transformation
Major-Incident Response
Mergers And Acquisitions
AZ-104
AZ-305

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