Operation And Maintenance Engineer

Job Responsibilities
I. Infrastructure and Server Operations (Core Responsibilities)
Responsible for the architecture 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.
Responsible for 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, etc.
II. 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 st...