Hareem Mustafa

-Acted as senior escalation point (L2) for high-value customers. -Resolved complex application and server issues. -Owned incident resolution lifecycle, ensuring SLA compliance and reduced recovery times. -Performed advanced Linux system administration, including performance tuning. -Led MySQL performance optimization, addressing slow queries and resource contentions. -Monitored abuse and security alerts and recommended reliability improvements.

-Administered Linux servers, web services, and caching layers. -Configured and maintained LAMP/LEMP stacks and reverse proxy setups. -Managed MySQL databases, backups, restores, and website migrations. -Supported deployments and operations on AWS and DigitalOcean.

-Completed an intensive Linux and cloud training program. -Built strong foundations in Linux administration, bash scripting, cron jobs, and permissions. -Worked with networking tools (tcpdump, netstat, SSH, TCP/UDP). -Configured LAMP/LEMP stacks and custom web server architectures. -Gained hands-on experience with DigitalOcean and Cloudflare.