Linux System Administrator Jobs in Toronto, ON

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...

Pioneer innovative isolation and networking solutions for a scalable platform, ensuring secure and efficient multi-tenant environments. Leverage Linux and process management expertise to enhance autom...

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...

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...

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

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...

Manage and enhance business systems to support operations, focusing on continuous improvement and alignment with IT standards. Drive collaboration across teams to ensure effective implementation and m...

Join a team that's committed to enhancing business systems by analyzing, designing, and implementing solutions that streamline operations and support our tenant-focused culture. Collaborate with exper...

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...

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...

Transform IT infrastructure by managing servers and cloud environments, leading migrations and modernizing systems to enhance operational efficiency and support business growth while ensuring robust s...

Join a dynamic team to lead the assessment and integration of complex applications, enhancing technical solutions and mentoring junior staff while fostering collaboration with various stakeholders and...

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

Join a team that's dedicated to maintaining and optimizing various building systems. This role involves hands-on troubleshooting, repairs, and compliance checks across electrical, mechanical, plumbing...

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...

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...

Unlock potential by designing and scaling data infrastructures that enhance logistics operations. Collaborate across functions to ensure high-quality data drives decision-making and optimizes supply c...

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...

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...

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...