Operation And Maintenance Engineer

Job Responsibilities

• Infrastructure and Server Operations (Core Responsibilities): Design, setup, and optimization of the company's server clusters (OCI / AWS); Manage Linux servers, system environments, user permissions, SSH keys, SFTP, Firewall, and Security Groups; Nginx, SSL, reverse proxy, domain name, and certificate management, maintaining high availability and security; Maintain virtual machines, load balancers (LB), object storage, VPC/VCN networks, subnets, and security group policies; Troubleshoot production environment issues: port conflicts, permission errors, service startup failures, full disks, network anomalies.
• CI/CD and Deployment Management: Design, build, and maintain CI/CD pipelines (GitHub Actions / GitLab CI / Jenkins); Write and maintain deployment scripts, automated build scripts, environment variable management, and version release processes; Responsible for deployment strategies, rollback strategies, blue-green deployments, and c...