windows system administrator jobs in Toronto

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  • Toronto, ON, Canada BMO Full-time €70,000 - €150,000 Contract

    Support Windows and Unix/Linux systems at BMO, using Python automation and cloud platforms to maintain critical services. This role operates continuously across production environments. As a Systems Administrator, you will monitor, restore, change, and support mission-critical systems while meeting service levels. The work includes AWS, Microsoft Azure,...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Paladin Security Full-time

    Windows Server expertise anchors this full-time, on-site Etobicoke opportunity, supporting enterprise systems with Active Directory and Microsoft 365 administration. Hybrid flexibility may depend on location. As an Intermediate Systems Administrator, you will support Paladin Security's enterprise technology environments across Canada and the United States....


  • Toronto, Ontario, Canada Paladin Security Full-time

    Windows Server expertise anchors this full-time, on-site Etobicoke opportunity, supporting enterprise systems with Active Directory and Microsoft 365 administration. Hybrid flexibility may depend on location.As an Intermediate Systems Administrator, you will support Paladin Security's enterprise technology environments across Canada and the United States....


  • Toronto, ON, Canada TEEMA Group Full-time $105,000 - $135,000 Contract

    Job Title: Windows Server AdministratorJob ID:90980Location:Toronto, Ontario – Hybrid Overview Our client provides specialist financial services to alternative investment customers and private clients worldwide. Continuous investment in learning means you will work with people who are among the best in the industry. This is an opportunity to excel in an...


  • Toronto, Ontario, Canada BMO Financial Full-time

    Application Deadline: 11/15/2026 Address: 4100 Gordon Baker Road Job Family Group: TechnologyMonitors, restores service, changes, supports, and handles day-to-day activities 7/24/365 required to run the mission critical systems for the company ensuring business service levels are met and environments are managed. Monitors and ensures service restoration of...

  • Senior Systems

    1 day ago


    Toronto, Ontario, Canada CGI Full-time $85,000 - $135,000 Contract

    Position Description: Position SummaryWe are seeking a highly skilled Senior Systems & Network Administrator to join our Infrastructure & Operations team. This role is responsible for the administration, maintenance, monitoring, and support of enterprise Windows, Linux, virtualization, network, firewall, and load balancing environments.The successful...


  • Toronto, ON, Canada Pacer Group Full-time

    Become an expert Windows AD Administrator, focusing on managing critical Active Directory and DNS infrastructures. Your skills in troubleshooting and maintenance are key to securing performance. As a Windows AD Administrator, you will manage and support both Active Directory and DNS environments, vital for organizational operations. You will be responsible...


  • Toronto, ON, Canada TEEMA Group Full-time $105,000 - $135,000 Contract

    Windows Server administration and automation define this hybrid Toronto opportunity, using PowerShell, SCCM, and infrastructure management expertise.As a Windows Server Administrator on the Wintel team, you will implement and maintain IT infrastructure components. The role emphasizes automation, cloud technologies, and efficient system management. You will...

  • Software Engineer

    4 days ago


    Toronto, ON, Canada TimePlay Full-time $90,000 - $130,000 Contract

    Software Engineer (SysAdmin) - Linux/Windows TimePlay Toronto About Us TimePlay is an interactive entertainment brand that delivers live and unforgettable game show experiences that turn audiences into participants through mobile-driven engagement. Powered by innovative technology and iconic formats including Deal or No Deal, Wheel of Fortune, The Price Is...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada BMO Financial Full-time €70,000 - €150,000 Temporary

    Application Deadline: 11/15/2026 Address: 4100 Gordon Baker Road Job Family Group: Technology Monitors, restores service, changes, supports, and handles day-to-day activities 7/24/365 required to run the mission critical systems for the company ensuring business service levels are met and environments are managed. Monitors and ensures service...


  • Toronto, Ontario, Canada Bank of Montreal Full-time $70,000 - $150,000 Contract

    Application Deadline:11/15/2026Address:4100 Gordon Baker RoadJob Family Group:TechnologyMonitors, restores service, changes, supports, and handles day-to-day activities 7/24/365 required to run the mission critical systems for the company ensuring business service levels are met and environments are managed. Monitors and ensures service restoration of...

  • System Administrator

    4 hours ago


    Toronto, Ontario, Canada TekStaff IT Solutions Full-time

    TekStaff's Client has a current vacancy for a System Administrator Job Description Role Responsibilities / Typical Day in Role: Deploy, operate, troubleshoot, and support backup, restoration, and migration services across on-premises and cloud environments. Design and develop Backup Testing as a Service capability to help stakeholders validate end-to-end...


  • Toronto, ON, Canada Procom Full-time

    Job Title: IT Systems Administrator On behalf of our financial services client, Procom is searching for an IT Systems Administrator for a permanent role. This position is onsite at our client’s Toronto, Ontario office. Job Description We are seeking a highly responsible, hands‑on IT Systems & Infrastructure Administrator to manage and continually improve...


  • Toronto, ON, Canada Dawn InfoTek Inc. Full-time $90,000 - $130,000 Contract

    Dawn InfoTek Inc. is a professional IT consulting firm that partners with major financial institutions, investment firms, and government organizations. We are committed to delivering innovative technology solutions and connecting top-tier IT talent with leading organizations. We are currently seeking a highly skilled System Administrator to join our dynamic...


  • Toronto, ON, Canada Rightsline Full-time $95,000 - $120,000 Contract

    Since 2012, Rightsline has been making work easier for rights and royalties professionals with our innovative rights and royalties management software, allowing our customers to maximize their portfolios without having to max out their daily to-do-lists. Our fully integrated and configurable platform provides customers with comprehensive access to all their...


  • Toronto, Ontario, Canada Canada Guaranty Full-time $105,000 - $115,000 Contract

    Who We Are Canada Guaranty is a privately held Canadian mortgage insurer, established in 2010 following the acquisition of AIG United Guaranty Mortgage Insurance Company Canada by the Ontario Teachers’ Pension Plan and National Mortgage Guaranty Holdings Inc. As a proudly Canadian company, we are committed to service excellence and helping Canadians...


  • Toronto, ON, Canada Akkodis Full-time

    OverviewAkkodis is seeking an Apple Mac System Administrator for a contract position with a client in Scarborough, ON.The ideal candidate will have strong experience in macOS administration, with hands-on expertise in JAMF Pro and JAMF 300 or 400 certification.Position: Apple MAC System AdminLocation: Scarborough, ONEmployment type: Long-Term ContractJob...


  • Toronto, ON, Canada Eckler Industries Full-time $82,000 - $95,000 Contract

    Salary Range: $82,000.00 To $95,000.00 Annually At Eckler, we know it’s our people who make us great at what we do. Reporting to the Senior Infrastructure Engineer, the Systems Administrator supports the security, reliability, performance, and continuous improvement of Eckler’s hybrid technology environment. The role combines hands‑on administration of...


  • Toronto, Ontario, Canada Compugen Inc Full-time

    About Compugen Compugen is Canada's largest privately-owned Technology Ally. To innovate industries, transform businesses, connect communities, and drive meaningful change, we must think bigger, reach broader, and act bolder. Through knowledge, curiosity, and collaboration, Compugen helps organizations delivering experience by design. This is what it means...


  • Toronto, Ontario, Canada Resource Label Group Full-time $80,000 - $90,000 Contract

    Position summary The Systems Administrator is the primary IT presence at their assigned site(s). They are responsible for day-to-day infrastructure operations, resolving L3 escalations from the MSP, and executing changes under the direction of the Infrastructure Manager or a Senior Systems Administrator. Systems Administrators are expected to grow - the...