Infrastructure Architect

Job summary

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

Job details

Job Title: Infrastructure Architect Duration: 6 months contract Location: Toronto, ON (4 days in office, 1 day remote) About The Role The Infrastructure Architect is the senior technical engineer for Client’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 Client 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 Client 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.

What you’ll do

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

Requirements

Requires a bachelor’s degree in a relevant field or equivalent hands-on experience, along with 7–8+ years of infrastructure or systems engineering experience in a Microsoft-centric enterprise environment. Candidates should bring advanced Windows Server, hybrid identity, Azure, Intune, networking, and PowerShell expertise, plus experience leading transformation projects; M&A integration and multi-site experience are assets.

Listed skills

• Microsoft Azure · Preferred
• Active Directory · Preferred
• Microsoft 365 · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Windows Server Administration
• Active Directory
• Microsoft Entra ID
• Microsoft Azure
• Microsoft Intune
• Microsoft 365
• PowerShell
• Hybrid Identity
• Cloud Migration
• Network Engineering
• LAN/WAN
• Firewall Administration
• Infrastructure-As-Code
• Endpoint Management
• Incident Response
• Mergers And Acquisitions Integration

Job areas

• Technology
• Engineering
• Management & Leadership
• Security & Safety

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