UNIX System Administrator Jobs in Toronto, ON

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...

Join our innovative team to support diverse clients by solving complex technical challenges while maintaining strong relationships, adapting to evolving needs, and fostering a culture of continuous le...

Oversee the management and optimization of IT infrastructure, ensuring high performance and reliability. Collaborate with cross-functional teams to support research platforms and enhance system securi...

Champion the reliability and security of a large-scale Linux platform, enhancing thousands of RHEL servers while collaborating with cross-functional teams to drive automation and operational excellenc...

Join a team that's transforming IT operations through infrastructure automation, cloud technologies, and systems administration, ensuring optimal performance and resource utilization across Windows 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...

Tackle the design and automation of modern IT infrastructure while ensuring strategic governance. Collaborate with technical teams to enhance system reliability, scalability, and security, driving inn...

Help us scale IT operations as a hands-on IT Systems Administrator responsible for Linux systems, networking, and end-user support. Collaborate closely with teams to deliver secure, efficient tech sol...

Join the charge in optimizing enterprise systems by managing complex infrastructures, supporting project teams, and driving innovation in healthcare technology. Collaborate effectively to ensure seaml...

Drive the administration of core SaaS platforms, ensuring seamless integration and functionality across systems. Collaborate with teams to document standards, automate tasks, and support business func...

Grow your career with a dynamic role ensuring endpoint security and compliance, enhancing AI infrastructure, and managing cloud-based IT operations while supporting a hybrid workforce with proactive s...

Lead the charge in optimizing and enhancing ServiceNow platforms, ensuring streamlined operations through effective administration, development, and integration support while collaborating with cross...

Optimize financial systems to enhance stability and support decision-making. Partner with finance and operations to ensure applications evolve with business needs while driving process improvements an...

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...

Elevate your career by managing and enhancing identity and access management systems. This role focuses on secure administration, user access controls, and compliance, ensuring optimal access for empl...

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...

Transform your career by managing and enhancing identity and access management systems. Oversee user identities, authentication, and security protocols across various platforms, ensuring compliance an...

Deliver expert leadership in network design and implementation while collaborating across teams to enhance enterprise infrastructure and ensure optimal performance of LANs, WANs, and related technolog...

Champion the development and maintenance of enterprise network systems. Lead strategic planning and projects, optimize performance across LANs, WANs, and security protocols while ensuring high availab...

Elevate IT infrastructure management by configuring, implementing, and maintaining robust systems. Collaborate with teams to ensure optimal performance across data centers and cloud environments, driv...

Drive exceptional service delivery by leading a technical support team, optimizing operations, and ensuring swift resolution of end-user issues while fostering user satisfaction and continuous improve...

Transform legacy applications through hands-on Unix/Linux development, automation, and containerization. Collaborate with teams to modernize scripts and ensure reliable application performance in evol...

Manage customer backup and IBM Power systems, providing Tier 2/Tier 3 support. Ensure data protection, resolve incidents, perform root cause analysis, and maintain service level agreements in a dynami...

Elevate your expertise by overseeing the administration and security of Microsoft 365 and infrastructure systems. Manage identity governance, endpoint management, and collaboration technologies to ens...

Engineer solutions that enhance critical infrastructure, ensuring resilience and sustainability. Join a dynamic team focused on innovative technologies and elevate your career in a collaborative envir...