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Added 18 mins ago
Engineer In Training-TS001
City of London
London, ON
Under the direct supervision of an Engineer within the Service Area:
Added 18 mins ago
08 - Operations Engineering Specialist
Celestica International LP
Toronto, ON
Senior commodity engineer with extensive experience in managing electronic component quality. Applicant must have experience working directly with suppliers to drive quality improvement…
Added 18 mins ago
A
Junior Mechanical Engineer
AtkinsRéalis
Pickering, ON
- Full-time
Perform engineering tasks under the supervision and responsibility of a licensed Professional Engineer, including calculations, data review, drawings, specifications and field support.
Added 18 mins ago
A
Junior Civil Engineer
AtkinsRéalis
Pickering, ON
- Full-time
Perform engineering tasks under the supervision and responsibility of a licensed Professional Engineer, including calculations, data review, drawings, specifications and field support.
Added 18 mins ago
A
Junior I&C (Instrumentation and Controls) Engineer
AtkinsRéalis
Pickering, ON
- Full-time
Perform engineering tasks under the supervision and responsibility of a licensed Professional Engineer, including calculations, data review, drawings, specifications and field support.
Added 18 mins ago
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Ingénieur(e) d'exécution de projets/Execution Project Engineer
Veolia | Water Tech
Montreal, QC
- Full-time
Reporting to the Project Execution Team Lead, you will be at the heart of the action. As a Project Execution Engineer, you will do more than prepare documentation - you will lead our water…
Added 33 mins ago
Bilingual Senior Specialist, Software Engineering (CI/CD & Automation Engineering)
CMHC - SCHL
Ottawa, ON · Montreal, QC
CMHC is committed to continuously improving our IT services and operational efficiency. The addition of new IT roles is a strategic move to bolster our capabilities and ensure we can meet…
Added 33 mins ago
PG
Senior Application Security Engineer
Paymentus Group Inc
Richmond Hill, ON
- Full-time
The Senior Application Security Engineer is responsible for helping secure the Paymentus SaaS platform by partnering directly with software engineering, product, cloud infrastructure,…
Added 33 mins ago
A
Water/Wastewater Engineer
AECOM
Burnaby, BC
- $90,000 to $130,000 CAD / year
- Full-time
Support construction-phase services, including field reviews, contract administration, and resolution of site-related issues.
Added 48 mins ago
AM
IP Silicon Validation Engineer
Advanced Micro Devices, Inc
Vancouver, BC
- Full-time
The AMD NBIO Team is on the lookout for a dynamic, upbeat IP Validation Design Engineer to join our growing team. As a key contributor to the success of AMD’s IP, you will be part of a…
Added 49 mins ago
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Technical Sales Intern- Mississauga
Captiveaire - Region 114 Western PA
Mississauga, ON
- Volunteer
…December 2026 or May 2027 and has an interest in being a Sales Engineer. The role will be part time in the…
Added 49 mins ago
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Technical Sales and Field Service Engineer
Captiveaire - Region 114 Western PA
Saskatoon, SK
- Full-time
Seeking a driven and motivated engineer to join our sales team focusing on growing business with existing customers and developing new business. This position will involve applications…
Added 1 hour ago
RB
Transportation Engineer
Recruitment By Design
Saskatoon, SK
- $110,000 to $140,000 CAD / year
- Full-time
Our client, a leading Western Canadian firm offering comprehensive engineering and environmental services, is seeking a Senior Railway Design Engineer to join their team in Regina,…
Added 1 hour ago
Q
Software Engineer
Quectel
Richmond, BC
- $80,000 to $135,000 CAD / year
- Full-time
…R&D teams (including the platform team, hardware engineers, Field Application Engineers, and…
Added 1 hour ago
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Embedded Firmware Engineer - Energy Storage (Controls & Connectivity)
Verdyn
Oakville, ON
- Full-time
Company Description Verdyn is a full-cycle energy solutions provider focused on modernizing how energy products and services are designed, delivered, and maintained. The organization is…
Added 1 hour ago
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Electrical Engineer
Hays
Regina, SK
- $60 to $65 CAD / hour
- Full-time
…presence in Saskatchewan, providing electrical engineering services across mining, utilities, oil & gas, and other heavy industrial sectors. Known for its collaborative culture and…
Added 1 hour ago
A
Water/Wastewater Engineer
AECOM
Burnaby, BC
- $90,000 to $130,000 CAD / year
- Full-time
Support construction-phase services, including field reviews, contract administration, and resolution of site-related issues.
Added 1 hour ago
P
Data Integration Engineer
Prophix
Toronto, ON · Etobicoke, ON
- Full-time
A Prophix Data Integration Engineer enables seamless, automated connections between client data sources and the Prophix platform. Working on the Professional Services team and with…
Added 1 hour ago
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Senior Data Engineer
National Bank of Canada
Montreal, QC
- Full-time
A bachelor’s or master’s degree in a related field and 3 to 5 years of relevant experience
Added 1 hour ago
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Summer Students - Field Based
Keyera
Calgary, AB · Fort Saskatchewan, AB · Grande Prairie, AB · Medicine Hat, AB · Redcliff, AB · Rimbey, AB · Rocky Mountain House, AB · Sherwood Park, AB · Strachan, AB · Valleyview, AB · Wapiti, AB
- Full-time
We are now accepting applications for the Keyera Summer Student Program for our Calgary office and field locations. To be eligible for Keyera’s Summer Student program, students must have…
Added 1 hour ago
A
Civil / Environmental Engineer
AECOM
Burnaby, BC
- $75,000 to $105,000 CAD / year
- Full-time
There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big…
Added 1 hour ago
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Senior Project Manager – Operational Systems & Digital Solutions
CIMA+
Mississauga, ON · Toronto, Ontario
- $125,440 to $172,440 CAD / year
- Full-time
This is not a corporate IT, managed services, system administration or software product development role. We are particularly interested in candidates whose technology experience has been…
Added 1 hour ago
ME
Design Release Engineer - Exterior Lighting [14446]
MEDA Engineering & Technical Services
Windsor, ON
- Full-time
We are recruiting an experienced Body Component Engineer/Exterior Lighting Design Release Engineer (DRE) to join our team to support our client in the automotive industry.
Added 1 hour ago
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Forward Deployed AI Engineer
Groom & Associés / Associates
Montreal, QC · Greater Montreal Metropolitan Area
- $140,000 to $180,000 CAD / year
- Full-time
…delivered through a combination of technology and professional services. A dedicated business unit develops operational applications used directly in retail stores across multiple…
Added 2 hours ago
A
Vice President, Construction Management - Monark
AtkinsRéalis
Mississauga, ON
- Full-time
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together,…

123Dentist

Infrastructure Architect

Toronto, ON, Canada

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

Apply About employer

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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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