Hire the Best Virtualization Specialists
in Sri Lanka

I help businesses migrate, manage, and troubleshoot VMware, Proxmox, AWS, Windows/Linux servers, and network infrastructure. With 15+ years of hands-on IT experience, 6,700+ Upwork hours, and 100% Job Success, I specialize in: - VMware vSphere, ESXi, vCenter, Horizon, and Dell server administration - DELL NetApp SAN Storage Adminstration - VMware to Proxmox migration planning and execution - AWS server setup, troubleshooting, backup, and optimization - Windows/Linux server management, SSL, DNS, VPN, firewall, and network design - Documentation, monitoring, backup, and disaster recovery planning Clients hire me when they need a reliable senior engineer who can investigate quickly, explain clearly, and fix production issues with minimal downtime. Certifications include VCAP-DCV, VCP-DCV, VCP-NV, AWS SAA, CCNP, CCNA, Microsoft, Dell VxRail Deploy, and Dell PowerStore Deploy.

👨‍💼 Microsoft Certified | Microsoft 365 • Intune • Azure • Windows Server Administrator I am a Microsoft Certified IT professional with 8+ years of experience delivering secure, reliable remote IT services for USA, Canada, and global clients. I specialize in Microsoft 365 administration, security implementation, Intune endpoint management, Azure AD, and Windows Server infrastructure. I have managed Microsoft 365 environments end to end, led complex email migration projects, implemented security best practices, and provided Tier 2/3 user support. I am recognized for my structured troubleshooting approach, strong communication, and ability to align IT solutions with business goals. 🔹 Microsoft 365 (Office 365) Administration ✔ End-to-end Microsoft 365 tenant administration ✔ New tenant setup, domain onboarding & DNS configuration ✔ DNS records: MX, SPF, DKIM, DMARC, TXT, SRV, CNAME ✔ Exchange Online administration & mail flow management ✔ Microsoft Teams, SharePoint Online & OneDrive administration ✔ User onboarding/offboarding & license optimization ✔ Microsoft 365 Apps deployment & configuration ✔ Ongoing monitoring, troubleshooting & user support 🔐 Security & Compliance (Microsoft 365) ✔ Microsoft Defender for Office 365 (anti-phishing, Safe Links, Safe Attachments) ✔ Multi-Factor Authentication (MFA) ✔ Conditional Access policies ✔ Security & Compliance Center administration ✔ Tenant hardening using Microsoft best practices ✔ Audit logging & compliance monitoring 📧 Email Migration Experience ✔ Microsoft 365 cross-tenant migrations ✔ Google Workspace (G Suite) → Microsoft 365 ✔ GoDaddy → Microsoft 365 ✔ Cutover, staged & hybrid migrations ✔ Minimal downtime with structured user communication 📱 Microsoft Intune (Endpoint Management) ✔ Intune MDM & MAM setup and administration ✔ Windows & macOS device enrollment ✔ Compliance, configuration & security policies ✔ Application deployment & patch management ✔ Conditional Access integration ✔ Endpoint security baselines ✔ Remote device troubleshooting & support 🖥 Windows Server & Infrastructure ✔ Windows Server 2012 R2 / 2016 / 2019 / 2022 ✔ Active Directory domain setup & administration ✔ Azure AD Hybrid & ADFS ✔ DNS, DHCP, File Servers & Print Servers ✔ Group Policy management ✔ Remote Desktop Services (RDS) ✔ Backup solutions & server monitoring ✔ Domain migrations ✔ Hyper-V virtualization ✔ VPN configuration & support 💻 End-User & OS Support ✔ Windows 7, 8, 8.1, 10, 11 ✔ macOS support ✔ OS installation, upgrades, patching & backups ✔ Antivirus & endpoint protection ✔ Software & driver installation ✔ VPN connectivity & Azure AD device join ✔ End-user training & documentation ⭐ Why Clients Choose Me ✔ 8+ years of hands-on IT experience ✔ Microsoft Certified professional ✔ Proven experience supporting USA & Canada clients ✔ Strong focus on security, stability & compliance ✔ Clear communication with technical & non-technical users ✔ Reliable, proactive & detail-oriented approach I take pride in understanding client requirements thoroughly and delivering secure, scalable, and dependable IT solutions that support long-term business success. 🎓 Education & Certifications 🎓 BSc (Hons) Computing – 2020 Wrexham Glyndŵr University, Wales ✔ MS-102: Microsoft 365 Administrator ✔ Microsoft 365 Certified: Endpoint Administrator Associate ✔ AZ-900: Microsoft Azure Fundamentals ✔ MCSA Windows Server 2016 (70-740) ✔ MCSA Windows Server 2012 R2 (70-410, 70-411, 70-412) ✔ Microsoft Certified Professional

Hi, I’m Udantha 👋 — a Systems Engineer & DevOps/Hosting Specialist with 7+ years of hands-on experience in: Linux system administration WordPress troubleshooting Docker deployments CloudPanel / Plesk / cPanel hosting Server migrations & backup recovery Virtualization & Cloud Operations DNS, Email (DKIM/DMARC/SPF), SSL, and security hardening MySQL/MariaDB performance tuning Website performance optimization Cloud deployments on AWS / DigitalOcean / Linode I specialize in fixing broken systems, optimizing slow servers, and performing clean, zero-downtime migrations—the kind of work where precision matters. Clients hire me for tasks that need someone who can quickly diagnose, clean up, and stabilize complex environments: 🛠 I Can Help You With: Server security hardening & performance tuning Database fixes, recovery, and replication Cloud server setup (Ubuntu, Debian, Rocky, Alma) Fixing DNS, email deliverability & hosting issues Restoring crashed websites (Digital Ocean, AWS, Google, IONOS, Bluehost, SiteWorx, etc.) WordPress errors, migrations, malware cleanup Web servers such as Nginx / Apache SSL configurations Docker Configurations Backup strategy design (Acronis, B2, rsync, S3, Plesk backup) ⚡ Why Clients Like Working With Me I solve problems fast I provide clean documentation after every job I communicate clearly and don’t overpromise I’ve rescued dozens of servers & websites from disaster If you're looking for someone reliable who can stabilize your servers, fix urgent issues, or manage complex migrations with zero drama — I’m available and ready to help. Let’s get your systems running smoothly again. 🚀

Expert in Email Configuration, Authentication & IT Systems Administration | 11+ Years Experience I am a highly skilled IT Systems Administrator with 11+ years of experience in email configuration, authentication, deliverability, domain management, and IT infrastructure. I specialize in setting up, managing, and troubleshooting business email systems, ensuring secure, high-deliverability email communication. 💡 Email System Configuration & Management ✔ Google Workspace (Gmail for Business), Microsoft 365 (O365), Zoho Mail and many other email platforms. ✔ Mailgun, SMTP, Postfix, Exim & Other Email Relay Services ✔ Transactional & Marketing Email Setup (Mailgun, SendGrid, Instantly.ai, Lemlist, etc.) ✔ Custom Email Domain Setup, Migration & Troubleshooting 🔐 Email Authentication & Security ✔ SPF, DKIM, DMARC Implementation & Optimization ✔ BIMI & MTA-STS Setup for Brand Protection ✔ Reverse DNS (PTR Records) & Dedicated IP Configuration ✔ SMTP Authentication & Secure Email Protocols (TLS, SSL) 🚀 Email Deliverability & Optimization ✔ Inbox Placement & Avoiding Spam Filters ✔ IP Reputation Monitoring & Blacklist Removal ✔ Domain Warm-up & Cold Email Best Practices ✔ Google Postmaster Tools & Microsoft SNDS Configuration 🌍 Domain Management, DNS Setup & Hosting Services ✔ Domain Registration & Transfer Management ✔ DNS Configuration (A, CNAME, MX, TXT, SRV, PTR Records) ✔ Hosting Setup & Migration (cPanel, Plesk, Cloudflare, AWS, etc.) ✔ CDN Integration & Performance Optimization 🖥️ IT Infrastructure & Systems Administration I also have deep expertise in IT systems administration, virtualization, and troubleshooting, including: ✔ Microsoft Windows Server (Setup, Management & Troubleshooting) ✔ Microsoft Hyper-V & VMware (Virtualization & Failover Clustering) ✔ WSUS (Windows Server Update Services) for Patch Management ✔ Linux OS Installation & Server Configuration ✔ Remote IT Support for Windows, Linux & VMware With my proven track record in IT infrastructure, email solutions, and domain management, I help businesses streamline operations, secure communication, and optimize system performance. 💬 Let’s discuss how I can improve your email setup, IT systems, and domain management!

I am an enthusiastic and high-achieving IT professional with a Bachelor of Computer Science, currently completing my Master of Networking Systems and Administration. I have exceptional technical and analytical skills, with over 5 years’ experience in Technical Support Level 3, database management, information system support and security, and network and server support. In my previous roles I have performed installation and configuration of software and hardware, Configuring and troubleshooting Microsoft Exchange 2003, 2007, 2010, 2013 and O365, router and switch administration, and worked extensively with Windows and Active Directory. I have helped clients both on site and remotely, and have always demonstrated a keen ability to problem-solve and troubleshoot.

✅ Self-motivated Linux Server Administrator and Network Administrator with more than 10+ years of working experience with different Cloud providers. Ready to take up any challenge. ✅ Expert on, 💎 AWS, Google Cloud, Azure, DigitalOcean or onPrem server management. 💎 Setting up and manage different environment Web Server, Database Server, Mail Server, Load Balancer, Optimization and Security. 💎 Designing Web Server - Building web server based on Apache, Nginx, Nginx/php-fpm, Varnish as backend with high performance tuning and major security issues. 💎 Learning Management Systems – Moodle (Expert) including mobile app (Android & Apple IoS) customization 💎 Document Management Systems – Nextcloud (Expert) and onlyoffice 💎 Security - Malware removal, server hardening using firewall rules, restriction in server login, Web security, Security auditing, fail2ban, mod_security for web attack, mod_evasive DDOS attack prevention, Firewall setup CSF, UFW and iptables. Prevention from mail attack, SSL Certificate installation. 💎 Database Server - Building MySQL, Mariadb database server with high performance , troubleshoot database server problems, tweaking MySQL variables for performance. 💎 Scripting - Bash Scripting for monitoring servers, auto backup. 💎 Mail server- Building mail server for sending and receiving mails postfix, sendmail, setup mail client Roundcube, SquirrelMail, Rainloop, Horde. Dovecot for POP & IMAP, troubleshoot mail issues, configure mail for delivery in inbox. 💎 Monitoring services and servers – LibreNMS, Nagios monitoring tools, tweaking as per requirement, monitor servers using bash script, Tripwire. 💎 Amazon - AWS EC2 server setup, Security. 💎 Cloud Servers & Panel - Management of Ubuntu, Centos, Cpanel, CWP, WHM, Plesk, Webmin, Diretadmin, ISPConfig, JustHost, Godaddy, Linode, Rackspace, Amazon. 💎 Migration - Server migration, website migration, database server migration, mail server migration. 💎 VOIP Solutions - Asterix based PBX (Eg: VitalPBX) 💎 Video conferencing - Zoom (including on premise setup), Jitsi, BigBlueButton 💎 Virtualization Technology - VMware VSphere Esxi, KVM, Xen Server 💎 Networking (CCNP R&S and SP certified) - Hands on experience with CISCO, HP, Extreme, Juniper devices including wireless. 💎 Firewall configurations - Hands on experience with Palo Alto, Check point and Cisco ASA firepower. ✅ Please do not hesitate to contact me to discuss your project in detail and determine how my skills will positively contribute to your team.