Senior Systems Administrator: Cloud & Infra Leader | Profit Sharing

isgSearch; Toronto; On-site; CAD 110,000 - 150,000; Full time

Benefits offered by this job

Profit sharing

Health and dental coverage

Health care spending account

Education assistance programme

Employee assistance programme (EAP)

Paid holidays and floater days

Shift premiums

Company events

Job summary

isgSearch seeks a Senior Systems Administrator to own and stabilize the server and infrastructure estate while driving modernization through cloud adoption and ERP migrations. The role is hands-on and offers ownership of the environment from planning cutovers to post-cutover operations.

You will lead Azure and on-premises infrastructure, manage Active Directory, AD security, and M365 services, and partner with IT staff, vendors, and project teams to deliver change with minimal disruption.

Qualifications

• 7+ years of IT infrastructure and server administration experience.
• Expert-level Azure: Entra ID, VMs, storage, networking and App Services.
• Experience with SSO, MFA, Conditional Access, RBAC and advanced security policies.
• Experience with VMware, Hyper-V or comparable virtualization technologies.

Responsibilities

• Administering and maintaining the physical and virtual server estate, monitoring performance and availability.
• Owning Windows Server environment end to end including AD, DNS, DHCP and GPO.
• Maintaining storage, backup and disaster recovery platforms and testing business continuity.
• Planning and carrying out infrastructure upgrades and hardware lifecycle management.
• Leading cloud migration planning and implementation, monitoring cloud consumption and cost.
• Coordinating server and data migrations with cutover and rollback plans.
• Supporting ERP and wider infrastructure modernization initiatives.

Skills

AD & Group Policy

Azure Entra ID

VMware/Hyper-V

PowerShell

Networking basics

Migration planning

M365 administration

Security policies

Documentation

Tools

Terraform

Azure CLI

PowerShell scripting

Job description

isgSearch seeks a Senior Systems Administrator to own and stabilize the server and infrastructure estate while driving modernization through cloud adoption and ERP migrations. The role is hands-on and offers ownership of the environment from planning cutovers to post-cutover operations.

You will lead Azure and on-premises infrastructure, manage Active Directory, AD security, and M365 services, and partner with IT staff, vendors, and project teams to deliver change with minimal disruption.