Senior DevOps/Systems Engineer (On-prem & AWS)

As a Senior DevOps / Systems Engineer at Tucows, you will be responsible for designing, building, and maintaining our hybrid infrastructure — spanning both on-premises environments and AWS cloud. You will lead the development, enhancement, and migration of systems infrastructure, collaborating with cross-functional teams to translate requirements into scalable, secure, and reliable solutions. In this role, you’ll be a technical leader, mentoring junior engineers, driving automation, and ensuring operational excellence across our platforms. You will also architect, maintain, and enhance hybrid infrastructure across AWS and on-premises data centers. You will lead migration projects, modernizing legacy systems and integrating them with cloud-native solutions. More responsibilities include collaborating with cross-functional teams to gather and analyze requirements and design scalable solutions, build and optimize CI/CD pipelines, implement Infrastructure as Code (IaC) with Terraform and CloudFormation and guide testing, monitoring, and incident response for production systems. Troubleshoot and resolve system issues, ensuring stability and performance across all environments. Oversee containerization and orchestration initiatives with Kubernetes (EKS, on-prem clusters), Docker, or ECS. Maintain hardware compatibility and integrations in on-prem environments. Provide technical guidance and mentorship to junior engineers.