Linux System Administrator

1 day ago

Clark, Philippines Crackerjack Corporation Full time

Server & Hosting Management
- Manage, monitor, and maintain Linux-based web servers
- Configure and optimize web services such as Apache, Nginx, and PHP
- Monitor server health, load, disk usage, and performance
- Implement regular system updates, security patches, and scheduled backups

Deployment & Release Support
- Coordinate and support application deployments to staging and production environments
- Maintain or improve simple deployment scripts or version-controlled workflows
- Assist development team in resolving environment-related issues

Security & Access Control
- Enforce server hardening best practices (SSH, firewalls, intrusion prevention)
- Manage access control, including SSH keys and SFTP/FTP accounts
- Monitor server logs and implement responses to suspicious activity or incidents

Service Configuration & Maintenance
- Manage and troubleshoot web hosting stack components (Apache/Nginx, PHP, MySQL/MariaDB, email servers, etc.)
- Configure and manage DNS records, subdomains, and redirects
- Install and renew SSL certificates (Let's Encrypt, paid SSLs, etc.)

General IT and Dev Support
- Support developers with log access, server-side error debugging, and permissions
- Provide assistance with release testing environments (staging/dev)
- Document standard procedures and maintain server-related documentation

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