Senior Linux/DevOps Systems Administrator

Our GTA based client is looking for aSenior 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