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Added 5 mins ago
OO
Manager, Finance & Facilities
Ontario Ombudsman
Toronto, ON
- $102,167 to $153,251 CAD / year
- Full-time
We are seeking an experienced finance professional to join our team as Manager, Finance and Facilities. Reporting to the Chief Financial Officer, the Manager, Finance and Facilities is…
Added 5 mins ago
TP
Assistant Cook, Wellness Centre
Trimark People Solutions
Alert Bay, BC
- Full-time
Good time management to finish tasks before service starts.
Added 5 mins ago
B
Procurement and Contracts Manager
Brunel
Toronto, ON
- Contract
Brunel is seeking an experienced Procurement and Contracts Manager to support the acquisition and execution of a natural gas-fired power generation project in Canada. This six-month…
Added 5 mins ago
O
Senior HR Advisor
OCS
ON · Essex, ON
- Full-time
Experience of working within a shared service HR delivery is desirable
Added 5 mins ago
TH
Territory Sales Representative – B2B
The Headhunters Recruitment
Grande Prairie, AB
- Full-time
Our client is a locally owned, family-run service company that has been looking after businesses across Northern Alberta for over 45 years, winning against national competitors by being…
Added 5 mins ago
FM
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Richmond Hill, ON
- Full-time
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Added 5 mins ago
GC
Site Administrator with Leasing
Greenwin Corp.
Toronto, ON
- Full-time
…property-related documentation, and ensuring a high level of customer service for residents. The Site Administrator will support the Property Manager (PM) in maintaining smooth operations…
Added 5 mins ago
PC
Transaction Services Manager - Financial Services (Bilingual FR/EN)
PwC Canada
Montreal, QC
- Full-time
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Added 5 mins ago
XI
Director of Procurement
Xplore Inc.
Markham, ON
- Full-time
…lead complex, high-value negotiations on commercial terms, service levels, warranties, intellectual property and…
Added 5 mins ago
A
Civil/Environmental Engineer
AECOM
Burnaby, BC
- $75,000 to $105,000 CAD / year
- Full-time
Providing leadership and project manager expertise in support of ongoing remediation and waste management projects, including the review of work scopes and client deliverables
Added 5 mins ago
SP
Human Resources Manager
Staff Plus
Burlington, ON
- Full-time
…Halton Region in the search for an accomplished Human Resources Manager. Reporting into senior HR leadership, this role offers the opportunity to serve as a trusted advisor to the business,…
Added 5 mins ago
CB
Condominium Manager
Coldwell Banker Real Estate Management Leaders
Brampton, ON
- Full-time
CONDOMINIUM PROPERTY MANAGER - BRAMPTON, ONTARIO
Added 5 mins ago
HG
Sales Associate
Hardwood Giant
Vancouver, BC
- Full-time
Role Description The Assistant Store Manager is a full-time, on-site role based in Vancouver, BC. This role supports overall store operations, including supervising team members, assisting…
Added 5 mins ago
HP
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Vancouver, BC · Greater Vancouver Metropolitan Area
- $70,000 to $85,000 CAD / year
- Full-time
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Added 5 mins ago
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Full Time Shuttle Driver for The Revalie (University)
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Ottawa, ON
- Full-time
Reporting to the General Manager, The Revalie Shuttle Drivers are responsible for driving company owned vehicles in a safe and professional manner transporting University Students and Staff…
Added 5 mins ago
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Calgary, AB
- $29 to $34 CAD / hour
- Full-time
Under the supervision of the Cleanroom Supervisor and under the direction of the Pharmacy Manager and Pharmacists, the Cleanroom Technician is responsible for aseptically preparing sterile…
Added 5 mins ago
MR
Project Manager and Process Analyst
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AB · Edmonton, AB
- Full-time
In August 2026, McLennan Ross established an Innovation and Knowledge Management team. This is the firm's first Project Manager and Process Analyst role, created to give us the capacity to…
Added 5 mins ago
BE
Manager, Application Development
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Fort St. John, BC
- Full-time
The Manager, Application Development (Manager) provides leadership and oversight of the BCER software development functions, ensuring the effective delivery, maintenance, and continuous…
Added 5 mins ago
R
Account Manager
RBGlobal
Burnaby, BC
- Full-time
Added 5 mins ago
Enterprise Technical Account Manager
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Own service delivery and ongoing relationships for assigned facilities; maintain regular contact with customer maintenance, planning, scheduling, engineering and management teams.
Added 5 mins ago
G Licence Donation Pick Up Truck Driver
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Hamilton, ON
The National Diabetes Trust is Canada’s largest charitable clothing and small household good collection service. With more than 5,000 donations bins and an active home pick-up service in…
Added 5 mins ago
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Added 5 mins ago
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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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