Senior Systems Administrator to manage and secure both on - premises and AWS environments, with a strong focus on automation and cybersecurity. Collaborate with development teams to enable web application hosting and improve DevOps practices while maintaining high availability and compliance.
About the role
- Senior Systems Administrator managing Microsoft-centric infrastructure at iFinance Canada. Overseeing cloud infrastructure, identity management, and day-to-day IT operations in a hybrid work environment.
Responsibilities
- Administer and optimize our Microsoft 365 tenant, including Entra ID (Azure AD), Exchange Online, Intune, and related workloads
- Manage identity lifecycle, Conditional Access policies, authentication methods, and RBAC across Entra ID and Azure
- Configure and maintain Microsoft Defender suite (Defender for Endpoint, Defender for Office 365, Defender for Cloud) and Microsoft Purview (compliance, data loss prevention, information protection)
- Manage device compliance and endpoint security through Intune (Windows, macOS, mobile)
- Administer and support Azure infrastructure (VMs, networking, storage, monitoring)
- Evaluate, recommend, and implement security improvements across the environment
- Maintain and enforce security baselines, hardening standards, and compliance requirements
- Work with and support various business platforms including HubSpot, Zoom, KnowBe4, and other SaaS tools as needed
- Provide Level 1 / Level 2 support as needed — we're a small infrastructure team and everyone pitches in
- Handle employee onboarding and offboarding processes (account provisioning, device setup, access management)
Requirements
- 7–10 years of experience in IT systems administration, with a strong focus on Microsoft technologies
- Deep, hands-on proficiency with Microsoft 365 administration (Entra ID, Exchange Online, Intune, Teams)
- Strong experience with Microsoft Defender suite and/or Microsoft Purview
- Solid understanding of Azure infrastructure (IaaS, networking, identity)
- Experience designing and managing Conditional Access policies, MFA, and Zero Trust principles
- Experience with PowerShell scripting for automation and reporting
- Strong grasp of IT security fundamentals — endpoint security, email security, DLP, compliance frameworks
- Experience with device management and endpoint compliance (Intune / MDM)
- Ability to work independently and take ownership, while collaborating effectively in a small team
- Willingness to handle Level 1 support tasks when needed — no task is beneath this role
Benefits
- Hybrid flexibility (4 days on-site in Toronto / 1 day remote)
- Opportunity to shape and improve the environment
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