Senior Windows Administrator Jobs in Toronto, ON

Join a dynamic IT team as you drive the optimization, security, and improvement of our hybrid infrastructure, ensuring high availability and performance across on-premises, virtualization, and AWS env...

Take ownership of critical corporate infrastructure and cloud services, ensuring optimal performance and security. Collaborate on complex projects to enhance our IT strategy and service delivery, whil...

Advance your career by supporting the maintenance and operation of critical finance applications. Collaborate with teams to ensure compliance, manage system configurations, and enhance security for op...

Join a team that's dedicated to maintaining Endpoint health and security across 5,000 devices. Lead configuration management, compliance efforts, and collaborate with cross-functional teams to enhance...

Lead the charge in advancing Microsoft Security solutions, providing strategic direction and technical leadership. Engage with clients to drive transformative outcomes through innovative methodologies...

Lead the automation efforts for enhancing testing processes by architecting frameworks and developing automated tests. Collaborate with QA teams to optimize testing practices and ensure high-quality p...

Develop innovative PLC, HMI, and SCADA solutions while collaborating with project teams to deliver custom automation systems. Drive efficiency by troubleshooting and maintaining control systems across...

Pioneer the evolution of finance technology by leading NetSuite ERP implementation. Collaborate with Finance, Operations, and IT teams to optimize processes, support users, and ensure robust systems p...

Drive your career forward by installing and supporting z/OS products as part of a dynamic Mainframe Operating Systems team. Collaborate with cross-functional teams to enhance software performance and...

Champion the management and optimization of our network infrastructure, ensuring high performance and security across on-premises and cloud environments. Collaborate with teams to enhance network desi...

Collaborate to design and enhance a secure identity platform, ensuring reliable authentication and authorization systems that support our products and customer needs, while working with a dedicated te...

Elevate your career by leading Agile project lifecycles while collaborating with clients and development teams. Drive clarity in requirements and facilitate application enhancements to meet evolving i...

Join a dynamic team as a Senior Software Engineer, leading the design and development of innovative Dynamics 365 solutions to enhance business operations. Collaborate with stakeholders to deliver comp...

Unlock potential by developing innovative applications that enhance security solutions. Collaborate with diverse teams to design, implement, and deploy robust full-stack systems for cutting-edge cyber...

Unlock your potential as a senior Test Manager, leading strategic testing for a complex pension administration system. Collaborate with diverse stakeholders and ensure high-quality implementation in a...

Engage in impactful software development by leveraging your .Net skills to design, build, and maintain enterprise-level applications. Collaborate within a dynamic team environment to drive innovation...

Champion high-performance systems engineering by ensuring optimal design, operation, and support of both Linux and Windows environments, leveraging cloud innovation and best practices to drive enterpr...

Drive innovation as you manage complex systems infrastructure across Linux and Windows environments. Lead technical research and develop best practices while mentoring others in your expertise within...

Elevate IT infrastructure reliability by managing and maintaining server systems, ensuring optimal performance, supporting users, and collaborating across teams for seamless operations and compliance...

Lead the charge in transforming client operations by implementing custom software solutions on the Appian platform, enhancing digital transformation efforts and driving competitive differentiation wit...

Transform the resilience of cloud platforms by driving innovative SRE practices. Collaborate across teams to implement scalable solutions while mentoring others and optimizing services focused on reli...

Engage in cutting-edge development as a Senior System Performance Engineer, optimizing high-performance software for autonomous vehicles. Drive performance initiatives, collaborate across teams, and m...

Champion innovative solutions and proactive monitoring to optimize system health, streamline operations, and foster collaboration with IT partners. Drive problem resolution, data analysis, and automat...

Advance your career by providing hands-on IT support and maintenance for Windows systems, assisting teams in enhancing IT processes, and collaborating on technology projects in a dynamic, fast-paced e...

Unlock potential by managing end-to-end deployment lifecycles, ensuring stability and compliance in mission-critical systems. Collaborate across teams for seamless production releases and effective pa...