Junior Operations Engineer

Website & Server Maintenance
•Maintain and ensure high availability of company websites and online services
•Deploy, configure, and maintain Linux-based online servers (Ubuntu / CentOS)
•Manage web services including Nginx, Apache, MySQL, Redis, and related components
•Monitor server performance, uptime, and resource usage

Troubleshooting & Incident Response
•Identify and resolve Linux OS and server-related issues promptly
•Troubleshoot website downtime, slow loading, and service failures
•Participate in on-call rotation to respond to critical incidents outside working hours; handle common attack alerts (brute-force, abnormal traffic)

Routine Operations
•Perform system patching, security updates, and version upgrades
•Execute server and database backups and recovery per established procedures; participate in recovery drills
•Perform log analysis to detect anomalies and prevent potential failures
•Assist in managing cloud server resources (Alibaba, Tencent, Huawei, etc.) and CDN configuration (Cloudflare, Alibaba/Tencent CDN, etc.)
•Assist with DNS resolution; apply for, deploy, and renew SSL certificates (Let's Encrypt, cloud-vendor certs); handle certificate-expiry alerts
•Configure firewall rules, security groups, and proxies per standards; help manage VPN (OpenVPN, WireGuard) user access
•Use monitoring tools (Zabbix, Prometheus, Grafana) to check system status and respond to / escalate alerts
•Handle tickets, server inspections, capacity-expansion support, documentation, and knowledge-base maintenance

Automation & Improvement
•Write and maintain Bash / Python scripts under guidance to automate routine tasks (scheduled backups, log/cache cleanup, alert handling); learn and use IaC tools such as Ansible
•Collaborate to improve server reliability and monitoring
•Use existing Docker, Jenkins, and GitLab CI pipelines to run build, test, and deploy tasks; understand the basics of containerization
•Document server configurations, troubleshooting steps, and operational procedures