Senior Systems Administrator responsible for maintaining IT systems supporting the University of Toronto Libraries. Focusing on service reliability, security, and operational sustainability of Canada's national shared institutional repository service.
Responsibilities
Designing and implementing new operating systems and subsystems server software
Planning and implementing expansion and enhancement of IT networks independently
Analyzing, troubleshooting and testing highly complex systems
Developing and updating architectural framework for highly complex and confidential university-wide IT systems
Requirements
Bachelor’s degree in Computer Science or an equivalent combination of education and experience
Minimum five (5) years of relevant experience in systems administration, infrastructure operations, or platform support
Extensive experience administering and supporting Linux-based production environments
Experience deploying, maintaining, and troubleshooting highly available, resilient, and secure systems
Experience supporting distributed systems and services in a production environment
Strong knowledge of operating systems administration, networking, storage, and core infrastructure concepts
Experience with configuration management, automation, and infrastructure management tools (e.g., Ansible, Chef, or equivalent)
Experience administering web servers, reverse proxies, and load balancing technologies (e.g., Apache, Nginx, HAProxy, or equivalent)
Experience with containerization and related platform technologies (e.g., Docker, Kubernetes, or equivalent), preferably in on-premises environments
Experience supporting virtualization and infrastructure platforms using open-source technologies (e.g., KVM, OpenStack, or equivalent)
Experience supporting databases and backend services in a production environment, including writing and maintaining SQL scripts; familiarity with technologies such as MySQL, PostgreSQL, Oracle, MongoDB, Redis, RabbitMQ, or Elasticsearch is an asset
Strong analytical, troubleshooting, and problem-solving skills
Excellent communication and interpersonal skills, with the ability to work effectively with technical and non-technical colleagues
Demonstrated ability to work independently and collaboratively in a team environment, and to contribute to documentation, knowledge sharing, and continuous improvement.
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