Systems Administrator Jobs in Toronto, ON

Elevate your career by enabling seamless IT operations across a global humanitarian organization. Manage core systems, provide user support, and lead digital transformations that make a meaningful imp...

Elevate your career by supporting and optimizing IT infrastructure across multiple sites, managing servers, networks, and security systems while providing technical leadership and project management f...

Lead and optimize day-to-day management of cloud and on-premises infrastructure, enhancing reliability and security across multi-site operations. Collaborate with IT teams to drive infrastructure proj...

Redefine operational excellence in a dynamic team by automating systems, enhancing efficiency, and managing multiple technical environments for seamless customer support...

Transform your career as a systems administrator, overseeing M365 services, data architecture, and robust security operations while collaborating with cross-functional teams to deliver efficient IT so...

Join a team that's redefining IT infrastructure management while providing technical leadership, operational excellence, and mentorship in a hybrid environment. Take charge of complex issues, drive im...

Optimize and manage enterprise network infrastructures globally, collaborating with teams to design, implement, and enhance IT solutions while ensuring operational excellence across North America, EME...

Empower our team by providing 24x7 support for complex workload automation systems. Collaborate across departments to enhance operational efficiency and ensure system resiliency, while driving innovat...

Develop and maintain enterprise server environments, ensuring high availability and performance while implementing best practices for security and disaster recovery. Collaborate with teams on technica...

Join a team that's dedicated to ensuring IT security across diverse platforms. You'll manage access requests, provide troubleshooting support, and help shape security processes. Your expertise will pl...

Elevate the ServiceNow platform by managing user roles, configurations, and integrations. Oversee ITSM modules and enhance service delivery through troubleshooting and optimization while aligning proj...

Optimize the ServiceNow platform to enhance IT service management, ensuring strong configuration, integration and support for users. Collaborate across teams to translate business needs into effective...

Transform plant site infrastructure reliability and enhance team performance. Take ownership of technical escalations and execute enterprise-level projects. Drive innovations in operational efficiency...

Lead infrastructure reliability for multiple plant sites, ensuring optimal performance and security. Collaborate with cross-regional teams, mentor junior staff, and drive improvements in enterprise pr...

Join a team that's revolutionizing cloud infrastructure management by designing, deploying, and securing dual-cloud environments, ensuring seamless operation across diverse OS platforms in a dynamic t...

Support and enhance enterprise infrastructure platforms by maintaining, monitoring, and improving network environments. Collaborate with teams for upgrades, incident resolution, and documentation to e...

Champion the development of innovative Windows client solutions. Collaborate with engineering teams to enhance our product offering, focusing on creating a seamless user experience while maintaining h...

Optimize your career by leading Azure cloud operations and driving strategic initiatives. Join a dynamic team to enhance enterprise cloud services, ensuring scalability, security, and operational exce...

Join a dynamic team to manage endpoint devices, ensuring security and reliability of hardware and applications. Collaborate with IT teams to enhance the user experience and maintain city standards whi...

Shape critical operational resilience and cybersecurity solutions across diverse industries. Lead engagements, manage client relationships, and enhance compliance and continuity strategies, ensuring o...

Join as a vital operational partner, shaping governance and strategy within product development. Drive excellence in SDLC processes and integrate tools to support organizational growth and efficiency...

Transform our operational excellence as a key escalation point, overseeing complex change, incident command, and environment remediation while developing our analyst team and driving impactful process...

Drive innovation in Windows server management by leveraging your expertise in VMs, Azure, and email systems. Lead critical infrastructure management, support software deployment, and ensure robust sec...

Pioneer innovative systems engineering solutions to enhance secure workload execution by developing process-isolation and networking infrastructure for multi-tenant environments using advanced Linux t...

Lead the design and implementation of advanced technology systems for large-scale, mission-critical projects. Collaborate with multidisciplinary teams to deliver innovative solutions, from planning th...