Senior DevOps/Cloud Engineer

Role: Senior DevOps/Cloud Engineer Location: Toronto (Onsite) Role Summary: Senior DevOps/Cloud Engineer responsible for designing, automating, securing, and supporting AWS cloud infrastructure across containerized and non-containerized workloads. The role requires deep hands-on expertise in AWS, Terraform/IaC, Ansible, OpenShift ROSA, and CI/CD, with a strong focus on automation, security, reliability, and scalable cloud operations. Must Have Requirements: Extensive experience designing, provisioning, and managing AWS infrastructure, including VPC, subnets, IAM, EC2, ECS, EKS, RDS, S3, Route 53, and CloudFront.Extensive hands-on experience designing and building Terraform/IaC, including reusable modules, configurations, state management, and infrastructure automation.Extensive experience developing and maintaining Ansible playbooks, roles, and collections for configuration management, application deployment, and compliance.Strong experience administering Red Hat OpenShift Service on AWS (ROSA), including cluster upgrades, scaling, security, and workload management.Strong experience designing and maintaining CI/CD pipelines using GitLab CI and/or Azure DevOps.Experience working with both containerized and non-containerized workloads in enterprise cloud environments. Required Skills: AWS architecture and infrastructure management, including multi-account environments and AWS Well-Architected Framework.AWS cost optimization, including Reserved Instances, Savings Plans, and rightsizing.Terraform Cloud, remote state, workspaces, policy-as-code, drift detection, and module standards.Ansible automation, dynamic AWS inventories, Ansible Vault, and CI/CD integration.OpenShift ROSA, RBAC, NetworkPolicies, SCCs, Operators, Helm, and Kustomize.GitLab CI, Azure DevOps, ArgoCD, GitOps, and pipeline-as-code.AWS security services including CloudTrail, Config, GuardDuty, Security Hub, and Organizations SCPs.Secrets management, vulnerability management, security scanning, and least-privilege access.AWS CloudWatch, observability, SLOs/SLIs, incident response, RCA, runbooks, and ADRs.Strong scripting/automation skills and experience supporting complex Linux environments. Responsibilities: Design, provision, and operate secure, scalable AWS environments supporting both containerized and non-containerized workloads.Develop and maintain Terraform modules and Ansible automation to standardize infrastructure provisioning, configuration, deployment, and compliance.Administer ROSA/OpenShift platforms, including upgrades, scaling, security controls, workload deployment, and cluster hardening.Build and maintain CI/CD and GitOps pipelines for infrastructure and application delivery, incorporating automated testing and security controls.Implement cloud security, cost optimization, monitoring, and reliability practices while troubleshooting complex infrastructure and deployment issues.Support incident response, root-cause analysis, continuous improvement, and technical documentation for cloud platforms and services.