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ATLAS Logo ATLAS · IT - Administration

Senior Engineer, Infrastructure

Canada · Job Posted January 20, 2026
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Job Description

The Sr. Engineer, Infrastructure, supports endpoints, cloud infrastructure, and applications, overseeing Azure, M365, SharePoint, networking, and security tools. Responsibilities include installing, configuring, and maintaining systems, managing Zendesk deployment and support tickets, and contributing to Azure initiatives. The role also provides technical leadership for IT improvement projects and guidance to the Level 1 Support team.

Job Responsibility

  • Perform Azure and Entra ID administration, including identity and access management, conditional access policies, RBAC configuration, and enterprise IAM governance
  • Administer and support Microsoft 365, SharePoint, and Azure environments, ensuring secure policies, proper role assignments, and reliable performance across all services
  • Lead Zendesk configuration updates, optimization efforts, and enhancements while partnering with support teams to improve processes, reporting, and user experience
  • Partner with Information Security teams to validate that enterprise security controls, monitoring tools, and compliance requirements are implemented and functioning effectively
  • Install, configure, and maintain enterprise applications, endpoint software, and security tools supporting organizational operations
  • Provide Tier 2/Tier 3 technical support, guiding the helpdesk team through escalations, root-cause analysis, and complex troubleshooting
  • Manage and troubleshoot Azure networking components, including VNets, subnets, NSGs, VPN gateways, private endpoints, and routing, ensuring secure, reliable connectivity across cloud and on-prem environments
  • Contribute to security, privacy, and compliance initiatives, including ISO 27001 operational processes
  • Maintain accurate documentation for systems, configurations, procedures, access controls, and operational runbooks
  • Generate and deliver regular KPI, system health, and operational performance reports
  • Lead or participate in cross-functional IT improvement projects involving cloud services, automation, endpoint management, and infrastructure modernization
  • Assist with onboarding/offboarding processes, ensuring proper provisioning, deprovisioning, and access lifecycle management
  • Support incident response efforts by providing technical expertise and assisting with remediation, root-cause analysis, and post-incident documentation
  • Identify opportunities to enhance system reliability, efficiency, automation, and security posture across the environment

Requirements

  • 7+ years of system engineering experience supporting enterprise environments
  • Proficiency in endpoint administration using Microsoft Intune and Mosyle across Windows and macOS
  • Strong Entra ID (Azure AD) administration skills, including IAM, conditional access, and RBAC
  • Expertise with Microsoft Windows OS, PowerShell, O365, and SharePoint administration
  • Optimize Zendesk configurations and integrations to improve support workflows, reporting, and user experience
  • Solid understanding of Azure cloud infrastructure, networking, and security implementations
  • Experience with federated identity models (SSO, SAML, OAuth, MFA) and modern authentication frameworks
  • Provide macOS administration and support, managing device configuration, updates, security settings, and troubleshooting for Apple endpoints across the organization

Nice to have

  • Cloud Administration focused certifications such as Azure Administrator Associate, M365 Administrator, or Azure Solutions Architect
  • Python scripting skills for automation and operational tooling
  • Power Automate experience creating workflows and system integrations
  • Database administration capabilities for SQL or similar platforms
  • Power BI configuration experience, including data modeling and report creation
  • Experience supporting Information Security teams with policy implementation, access governance, and alignment to frameworks

What we offer

  • A diverse and inclusive environment
  • Country-specific benefits
  • Flexible PTO
  • Your birthday off and a day for you to volunteer and give back to the organization of your choice
  • Generous Parental Leave Program
  • Growth and development opportunities with access to a top learning content provider
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