Experienced System Administrator & Technical Support Specialist | WordPress, Hosting, Server Management

Hi! I'm John Wiroe Dizon, a Filipino System Administrator and Technical Support Specialist with 13+ years of experience managing servers, hosting infrastructure, WordPress sites, and providing technical support for agencies and businesses.
I specialize in keeping websites fast, secure, and running smoothly while providing responsive technical support to clients and teams.

What I Do Best:
Hosting & Server Management:

- WHMCS end-to-end administration (client provisioning, billing integration, server management)
- WHM/cPanel, HestiaCP, Plesk server administration and account management
- VPS/Cloud server setup and maintenance (AWS EC2/Lightsail, Azure Virtual Machines, Google-Cloud Compute Engine, DigitalOcean Droplets)
- Linux server administration (Ubuntu, CentOS, Rocky Linux)
- Windows Server administration and management
- Apache, Nginx, LiteSpeed web server configuration and optimization
- Docker container deployment and management
- DNS management, SSL certificate setup (Let's Encrypt, AutoSSL), and domain configuration
- Load balancer setup and traffic management

WordPress & Website Development:

- WordPress site deployment, migration, and ongoing maintenance
- WordPress development using Elementor Pro and Divi page builders
- Custom WordPress plugin development via Vibe Coding (AI-assisted development)
- Custom theme and plugin configuration
- Elementor, WooCommerce, WP-CLI for advanced WordPress management
- Theme and plugin updates, troubleshooting, and optimization
- Application deployment (PHP applications, Node.js, Python scripts)
- Docker-based application deployment and containerized environments
- Website speed optimization using GTmetrix and Google PageSpeed Insights
- Caching configuration (Cloudflare, server-level caching)
- Backup management and disaster recovery (UpdraftPlus, JetBackup, rsync, S3)
- Malware removal and security hardening (Sucuri, Wordfence, Fail2Ban)
- MainWP management for multiple client sites
- Magento and Laravel deployment and environment setup

Technical Support & Customer Service:

- Email hosting setup (Microsoft 365, Google Workspace, cPanel email)
- SPF, DKIM, DMARC, and MX record configuration
- Client support via email, live chat, and ticketing systems
- Creating knowledge base articles and technical documentation
- Troubleshooting hosting, email, DNS, and website issues
- Fast response times and proactive communication
- Google Workspace administration

Security & Monitoring:

- Cloudflare configuration (DNS, WAF, CDN, caching rules)
- SSL certificate management and HTTPS implementation
- Malware scanning and removal (Sucuri, Wordfence)
- Server security hardening (Fail2Ban, firewall configuration)
- Uptime monitoring (UptimeRobot, Better Uptime)
- Performance monitoring (New Relic, Netdata, htop)
- Proactive security audits and vulnerability patching

Automation & DevOps:

- Standard Operating Procedure (SOP) creation for repetitive tasks
- N8N, Zapier and ----------- workflow automation
- Webhooks and API integrations
- Docker container deployments and orchestration
- Git version control (GitHub, GitLab)
- CI/CD basic workflows
- Cron job scheduling and automation
- Server monitoring and automated alerts
- AI-assisted workflows (OpenAI/ChatGPT, Claude AI - prompt engineering, GPT-based task automation)

AI-Assisted Development & Productivity:

- AI prompt engineering for task automation and development
- Custom WordPress plugin development using Vibe Coding with AI assistance
- Claude Code for AI-assisted coding and debugging
- Cowork for AI-powered workflow automation
- ChatGPT and Claude AI for documentation, troubleshooting, and development support
- Leveraging AI tools to increase efficiency and code quality

Backups & Data Management:

- AWS S3 and Google Drive backup solutions
- Automated backup scheduling (rsync, cron jobs)
- Disaster recovery planning and testing
- Database backups and restoration
- File migration and transfer management


Tools & Platforms I Work With:
- Cloud & Infrastructure:
AWS (EC2, S3, Route 53, Lightsail), Microsoft Azure (Virtual Machines, Storage), Google Cloud Platform (Compute Engine, Cloud Storage), DigitalOcean (Droplets, Spaces, Load Balancers)

- Server & Hosting Management:
WHM/cPanel, HestiaCP, Plesk, WHMCS, Synergy, Apache, Nginx, LiteSpeed, Linux (Ubuntu, CentOS, Rocky), Windows Server, SSH (Termius, OpenSSH), FTP/SFTP (FileZilla)

- Containerization & DevOps:
Docker (container deployment, Docker Compose, containerized applications), Git (GitHub, GitLab), CI/CD workflows

- Web & CMS Platforms:
WordPress (Elementor Pro, Divi, WooCommerce, WP-CLI), MainWP, Magento, Laravel, Shopify, Custom PHP/Node.js/Python application deployment

- WordPress Development:
Elementor Pro, Divi, WP-CLI, Custom plugin development (Vibe Coding), Theme customization

- DNS, CDN & Security:
Cloudflare (DNS, WAF, CDN, caching rules), SSL (Let's Encrypt, AutoSSL), Sucuri, Wordfence, Fail2Ban, firewall configuration

- Monitoring & Performance:
UptimeRobot, Uptime Kuma, Site24/7, Zabbix, Better Uptime, New Relic, GTmetrix, Google PageSpeed Insights, Netdata, htop, top

- Backups & Storage:
NAS, AWS S3, Google Drive, rsync, cron jobs, UpdraftPlus, JetBackup

- Email & Collaboration:
Microsoft 365, Google Workspace (Gmail, Docs, Sheets, Admin), Google Meet, Slack, Motion (project management), Notion

- Automation & Integration:
N8N, Zapier, Make (Integromat), Webhooks, API integrations, Cron jobs

- AI Tools & Development:
ChatGPT (OpenAI), Claude AI, Claude Code (AI-assisted coding), Cowork (AI workflow automation), Vibe Coding (AI-powered WordPress plugin development), AI prompt engineering

- Security & Password Management:
LastPass, two-factor authentication setup

- Time Tracking & Productivity:
Toggl Track, Awesome Screenshot

- Marketing & Analytics:
Google Analytics, Google Search Console, Meta Business Suite, ActiveCampaign, Mailchimp, Zoho Campaigns, Wistia

Industries I've Worked With:

- Digital marketing agencies
- Web hosting companies
- E-commerce businesses (Shopify, Magento, WooCommerce)
- Small businesses and solopreneurs
- SaaS companies requiring technical support
- Sports and event management organizations


Why Work With Me:
- 10+ years of hands-on experience with servers, hosting, and WordPress
- Full-stack technical skills - From server setup to WordPress development
- AI-powered efficiency - Leveraging Claude AI, ChatGPT, and Claude Code for faster, better solutions
- Fast learner with a "can-do" attitude - I adapt quickly to new tools and challenges
- Proactive and self-directed - I identify issues before they become problems
- Clear communicator - I explain technical issues in simple terms for non-technical clients
- Detail-oriented - I document processes and create SOPs for team efficiency
- Reliable and professional - I treat your business like my own
- Security-focused - I prioritize keeping systems secure and data protected
- Available across time zones - Flexible with Australian, US, or European hours

What I'm Looking For:
I'm seeking a full-time or long-term contract position (30-40 hours/week) with:

Clear expectations and structured workflows
Growth opportunities and fair compensation ($20-25/hour USD or $3,000-4,000/month)
A team that values quality work, reliability, and proactive communication

Ideal roles:

Technical Support Specialist
System Administrator
WordPress Developer/Support Engineer
Hosting Support Engineer
Customer Success Engineer (Technical)
WHMCS Administrator
DevOps Engineer (Junior to Mid-level)
Technical Virtual Assistant
Server Administrator
AI-Assisted Developer


Availability:

Full-time: 40 hours/week preferred
Flexible with time zones: Can work Australian, US, or European hours
Immediate start available
Prefer long-term arrangements with clear goals and expectations


Work Style:
I work best with:

Clear documentation and checklists
Regular check-ins (not micromanagement)
Defined expectations and scope
Tools that support efficiency (project management, time tracking, documentation)
Proactive problem-solving culture
Team collaboration and knowledge sharing
Opportunities to leverage AI tools for improved productivity


Let's Connect:
If you're looking for someone who can handle backend operations while keeping your systems secure, optimized, and reliable - with the added advantage of AI-assisted development and automation - I'd be glad to help.
Available for interviews immediately.