5+ years of experience in a DevOps or Systems Engineer role. Comfortable with web servers (Nginx). Experience with relational databases (e.g., MySQL, including replication and performance tuning). Proficiency with Linux (Amazon Linux/CentOS/RedHat). Knowledge and experience with Docker containerization. Experience with container orchestration and management (e.g., Kubernetes or AWS ECS). Worked with AWS services (EC2, S3, RDS, Cloudfront or OpenSearch). Experience with Terraform for infrastructure as code. Knowledge of CI/CD pipelines and automated build/deployment processes. Strong understanding of monitoring and observability tools (e.g., Datadog or Grafana). Experience applying SRE principles such as SLOs and error budgets. Worked with incident management processes, including postmortems. Solid understanding of security practices in cloud and DevOps environments (IAM, data protection, secrets management, compliance).