Cover Letter
Dear Prospective Client,
With over 12 years of hands-on experience in Linux system administration and DevOps, I bring a wealth of expertise in managing complex server environments and optimizing web infrastructure. My proven track record includes maintaining 99.9% uptime for critical systems, implementing robust security measures, and leading successful migrations across diverse platforms.
What sets me apart:
- Extensive experience managing large-scale server environments (200+ WHM servers, 500+ WordPress sites)
- Deep expertise in AWS cloud infrastructure and containerization
- Proven ability to optimize performance and security for high-traffic websites
- Strong background in automation and CI/CD implementation
- Comprehensive knowledge of WordPress optimization and security
I specialize in:
- Server optimization and performance tuning
- Security hardening and malware prevention
- Cloud infrastructure management
- WordPress optimization and maintenance
- Automation and deployment solutions
Whether you need help with server management, WordPress optimization, or cloud infrastructure, I'm committed to delivering reliable, secure, and high-performance solutions tailored to your specific needs.
Let's discuss how I can help elevate your infrastructure and ensure optimal performance for your digital assets.
Best regards,
Md Ariful Islam
Professional Summary
Experienced Linux System Administrator with over 12 years of expertise in managing large-scale server environments, implementing DevOps practices, and optimizing web infrastructure. Proven track record in maintaining high-availability systems, implementing security measures, and leading successful migrations. Strong background in AWS, CI/CD, containerization, and WordPress optimization.
Work Experience
Senior Linux System Administrator
Growth99, USA
June 2016 – December 2024
- Managed and optimized over 200 WHM servers, maintaining 99.9% uptime through proactive monitoring
- Maintained scalable development and production environments on AWS using CI/CD and Ansible
- Performed ongoing security audits and protected systems using industry-standard tools and log monitoring systems
Linux System Administrator
RH-OFFICE, Hong Kong
April 2019 – Present
- Set up and maintained LEMP stacks on AWS for over 100 servers and 500+ WordPress websites
- Diagnosed and resolved performance, compatibility, and security issues for client websites
- Optimized site performance using LiteSpeed Cache on OpenLiteSpeed (OLS) servers deployed via Docker
- Conducted malware removal and implemented hardening for WordPress sites
WordPress Developer
Mediashqip, Switzerland
July 2012 – June 2015
- Developed and customized responsive WordPress themes tailored to client specifications
- Migrated websites across hosting platforms with minimal downtime
- Troubleshot plugin conflicts and improved speed via database and code optimizations
Technical Skills
System Administration
- Linux (CentOS, Ubuntu, Debian)
- WHM/cPanel Management
- Server Monitoring
- Performance Tuning
Cloud & DevOps
- AWS Cloud Infrastructure
- Docker & Containerization
- CI/CD Pipeline Implementation
- Ansible Automation
Web Technologies
- WordPress Optimization
- LEMP/LAMP Stack
- LiteSpeed Cache
- Security Hardening
Contact Information
Address
Jahapur
Post Office: Gholdari Bazar
Police Station: Alamdanga
District: Chuadanga
Post Code: 7201
Bangladesh