WP Server Migration WHMCS Fix & MainWP

Overview
I have around 20 small WordPress sites (≈20GB total) hosted on a cPanel / WHM server.A few sites are currently down, and some billing runs via WHMCS.I also have 3 WordPress sites on a separate FastPanel server that need performance optimization.
I need an experienced server engineer / ICT specialist who can start immediately — bring everything back online, migrate and back up all sites, clean and optimize both servers, and then set up MainWP for centralized management.
This is a 1-day job, to be completed today or tomorrow (within 24 hours).
Tasks
Audit and Repair (cPanel Servers)
Check ~20 domains, identify down sites, and bring them back online (WordPress, PHP, DNS, SSL issues).
Verify WHMCS installation and fix billing or connection problems.
Backup and Migration
Full backup (public_html + databases) for all sites.
Migrate selected sites to Server 2 (cPanel).
Confirm each site is fully functional post-migration.
Cleanup and Optimization
Remove unused files, logs, and backups.
Tune MySQL, PHP-FPM, and caching settings.
Confirm both cPanel servers are optimized and stable.
Optimize 3 WordPress Sites on FastPanel Server
Audit performance (load times, caching, and resources).
Optimize configuration, PHP settings, and database.
Ensure all plugins, themes, and security are up-to-date and efficient.
MainWP Setup (Final Step)
Install and configure MainWP on one of the servers.
Connect all WordPress sites (both cPanel and FastPanel) via MainWP Child plugin.
Set up automatic updates, backups, and basic security monitoring.
Requirements
Deep experience with WordPress, cPanel/WHM, FastPanel, WHMCS, DNS, SSL, PHP, and MySQL
Proven record of multi-site migrations and performance tuning
Must be able to start immediately and finish within 24 hours
Strong communicator with clear progress reporting
Budget
💰 Fixed: $50 USD
Deliverables
All WordPress and WHMCS sites online and working
3 FastPanel sites optimized for performance
Both servers cleaned and running efficiently
MainWP fully configured and tested
Short summary/report of all actions completed
To Apply
Please include:
Examples of similar WordPress / cPanel / WHMCS / FastPanel / MainWP work
Confirmation you can start immediately and finish today or tomorrow
Your working hours (GMT or local)

 ... Show more