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2iSolutions Inc.
IT Lead Systems Administrator & Architect2iSolutions Inc. • Toronto, Canada
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IT Lead Systems Administrator & Architect

IT Lead Systems Administrator & Architect

2iSolutions Inc. • Toronto, Canada
7 days ago
Job type
  • Full-time
  • Permanent
Job description
We are seeking a IT Architect/Lead Systems Administrator with strong experience in Azure for a full time permanent position. You will own the strategic design, implementation, and day-to-day management of the enterprise infrastructure across a complex hybrid environment, hosted primarily in Microsoft Azure.

You'll provide guidance, leadership, and direction to other administrators while remaining hands‑on. This role reports directly to the IT Director.

KEY RESPONSIBILITIES

Lead the ongoing design and optimization of the Azure infrastructure for performance, security, and cost-efficiency

Administer and architect Windows Server environments including Active Directory, Group Policy, DNS/DHCP, and PKI/certificate services

Configure and manage Azure Application Gateway (WAF, SSL termination, URL routing), Load Balancer, and global traffic solutions (Azure Front Door or Cloudflare)

Manage Azure API Management (APIM) and partner with development teams on pipelines and application infrastructure

Manage reverse proxy and web traffic architecture, including NGINX or equivalent tooling

Automate operational tasks and deployments using PowerShell, Azure Automation, and Ansible

Implement and enforce security controls, zero‑trust principles, and compliance standards across Azure and on‑premises

Collaborate with Security Ops using Microsoft Defender for Cloud and Microsoft Sentinel for centralized logging, threat detection, and remediation

Proactively monitor performance using Azure Monitor and Log Analytics; identify and resolve bottlenecks

Own backup and disaster recovery programs using Azure Backup and Azure Site Recovery (ASR)

Maintain Windows Server and Linux/Unix environments, ensuring high availability and rapid incident response

Manage Azure costs using Azure Cost Management; drive FinOps practices including tagging, right‑sizing, and budget controls

Mentor and develop system administrators, promoting cloud‑first best practices across the team

Lead infrastructure projects in collaboration with development, operations, and business stakeholders

QUALIFICATIONS

7+ years of experience in systems administration with a strong focus on Microsoft Azure and hybrid cloud environments

Expert-level Azure administration: compute, storage, networking, identity, AVD, App Services, Azure Monitor, Log Analytics, and Defender for Cloud

Proven experience with Azure Application Gateway (L7/WAF), Azure Load Balancer (L4), and global traffic management via Azure Front Door or Cloudflare

Expert-level Windows Server administration in enterprise/domain environments: Active Directory, Group Policy, DNS, DHCP, and related services

Strong understanding of PKI and certificate management, including Windows Certificate Authority, SSL/TLS, and encryption fundamentals

Strong networking fundamentals: DNS, TCP/IP, TLS, VPN Gateway, ExpressRoute, and hybrid connectivity

Hands‑on experience with reverse proxies such as NGINX or HAProxy — upstream routing, load balancing, and traffic management

Azure API Management (APIM) — policy configuration, gateway patterns, and backend integration

Security fundamentals: zero‑trust architecture, RBAC, PIM, vulnerability management, and incident remediation

Experience with Microsoft Sentinel or equivalent SIEM for centralized logging, threat detection, and security monitoring

Scripting proficiency in PowerShell and/or Bash; experience with Ansible or equivalent for configuration management

Familiarity with CI/CD pipelines via Azure DevOps or GitHub Actions

Ownership of backup and DR programs using Azure Backup and Azure Site Recovery (ASR)

Azure Cost Management and FinOps practices

Basic Linux/Unix administration in an infrastructure context

What we offer:

Group Insurance Benefits

Job security

Wellness Incentive Program and an Employee Assistance Program.

RRSP matching program.

Flextime, summer hours, paid vacation, personal time off.

Lively work environment, rich with social events.

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IT Lead Systems Administrator & Architect • Toronto, Canada

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