Senior Windows Administrator Jobs in Toronto, ON

Drive enterprise infrastructure reliability and security as a senior technical leader. Oversee Microsoft Azure, VMware, and hybrid cloud operations while enhancing disaster recovery and business conti...

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 network performance by overseeing the installation, configuration, and maintenance of infrastructure across multiple customer sites, ensuring secure and efficient operations while mentoring j...

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...

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...

Join a dynamic team to implement and optimize Workday solutions across HCM, Payroll, and Finance. Contribute to strategic projects and enhance workflow efficiency while collaborating with HR and IT to...

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...

Champion innovative infrastructure solutions as a Senior Systems Engineer, where you'll operate and enhance hybrid environments, lead projects, and drive automation, ensuring top-tier reliability and...

Manage and optimize Microsoft Azure environments. Collaborate with stakeholders to ensure performance, security, and reliability of cloud infrastructure, supporting applications and business operation...

Join us in optimizing Microsoft Azure environments, ensuring security and performance, while collaborating with cross-functional teams to drive cloud solutions and support innovative application archi...

Champion secure identity practices by enhancing IAM and PAM capabilities, addressing complex access challenges, and collaborating with cross-functional teams to ensure compliance and operational effic...

Elevate your career by leading cross-functional teams to drive innovative solutions and enhance business outcomes through strategic project management and collaboration across departments...

Shape the future of cloud-managed applications by leveraging your expertise in .NET, AWS, and DevOps. Collaborate with teams to enhance production operations and drive CI/CD initiatives for optimal pe...

Innovate secure infrastructure design and automation across hybrid cloud platforms, leading governance and operations initiatives. Collaborate with architecture teams to deliver scalable solutions, en...

Join our team to optimize industrial automation solutions, enhancing network security, performance, and reliability for manufacturing operations. Collaborate across departments to support CAD applicat...

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 transforming internal operations through AI and data science. As an embedded business partner, you'll uncover opportunities to enhance function performance, translating business nee...

Unlock potential by leading technology lifecycle management initiatives, collaborating with diverse stakeholders to ensure compliance with risk and regulatory objectives while driving organizational e...

Design and enhance secure identity and access management systems, overseeing user identities, authentication, and infrastructure. Collaborate with cross-functional teams to ensure compliance and suppo...

Join a team that's driving innovation in cloud-based email security services. Work alongside experts to design and implement robust solutions, influence engineering practices, and mentor junior develo...

Redefine security protocols and incident responses by leveraging expertise in network analysis, threat detection, and compliance frameworks to enhance organizational resilience and safeguard digital a...

Elevate team performance by leading a talented group of engineers, driving innovation, and ensuring high-quality deliverables through hands-on development and strategic project management while foster...

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...

Join a team that's managing intricate utility-scale fiber infrastructure projects. This role requires leading cross-functional teams and driving project execution through both agile and waterfall meth...