Senior Linux Administrator Jobs in Toronto, ON

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

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...

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...

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...

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...

Drive the design, development, and maintenance of scalable web application platforms and backend services using Python, ensuring high performance, security, and reliability throughout the software lif...

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...

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...

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...

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...

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

Collaborate with diverse teams to drive complex rail systems integration projects. Leverage your engineering expertise to manage client relationships, and develop solutions that enhance operational ef...

Empower engineers to transform prototypes into reliable products by collaborating on secure, production-grade solutions. Leverage coding agents and AI capabilities to ensure code quality and operation...

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...

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...

Transform application systems by leading technical design and development efforts. Collaborate with cross-functional teams to execute testing, automation, and CI/CD processes while continuously enhanc...

Partner with us to enhance business-critical applications and bolster system reliability. As a System Engineer, you'll support complex environments, develop automated testing, and collaborate across t...

Shape the future of live-service games by modernizing DevOps practices. Leverage agentic automation and cloud infrastructure expertise to enhance system operations, ensuring reliability and performanc...

Join a team that's enhancing global digital infrastructure by implementing modern cloud-native practices and automating processes, ensuring reliable and secure operations while empowering engineers wi...

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 team that's shaping the future of cloudnative applications by leveraging your expertise in JavaScript and React to develop high-quality, scalable web solutions while collaborating with cross-fu...

Drive innovative solutions as you bridge business needs and system design, leading impactful enterprise initiatives with expertise in Microsoft Dynamics and cloud integrations, while collaborating wit...