Senior Linux/DevOps Systems Administrator (32371)

Our GTA based client is looking for a Senior Linux/DevOps Systems Administrator to support and maintain infrastructure systems with a focus on automation, scalability, and performance. This role involves a mix of remote work and occasional onsite support at client’s Mississauga data center or office. Responsibilities: Administer and support Linux-based systems (Ubuntu and Rocky) Implement and manage containerized environments using Kubernetes and Docker Support DevOps pipelines using Ansible , Prometheus , and related tools Maintain and optimize infrastructure across AWS and Azure Manage monitoring, storage, and logging tools, including Elastic Stack , MinIO , and Proxmox Handle server, storage, and network hardware in the datacenter as needed Configure and manage firewalls and networking tools, including Cloudflare Provide after-hours support as necessary for changes or troubleshooting Tech Stack Includes: Linux (Ubuntu, Rocky) Kubernetes , Docker Elastic Stack (MongoDB, Elasticsearch, Kibana, Kafka) Ansible AWS (Auto Scaling, Elasticache, Aurora, ELB, SQS, S3) Azure MinIO Networking & Firewalls (Cloudflare) Proxmox , Prometheus