Hire the Best VMWare Consultants
in Sri Lanka

Senior System Administrator specializing in Microsoft 365, Active Directory, AWS, and enterprise infrastructure reliability. For the past 4 years, I've been the sole infrastructure consultant supporting production systems for Revalize LLC (USA), managing customer-facing enterprise environments where downtime directly impacts revenue. Alongside this long-term enterprise infrastructure ownership, I've delivered migration and remediation projects for 20+ organizations across SaaS, manufacturing, and professional services. Core expertise: - Microsoft 365 migrations & hybrid Exchange - Active Directory & Windows Server administration - AWS cost optimization & infrastructure reliability - PowerShell automation & process optimization - Disaster recovery & business continuity Clients typically bring me in when: → Migration projects have stalled or lack expertise → Active Directory or mail infrastructure becomes unstable → Production environments lack documentation or monitoring → Infrastructure costs are growing unexpectedly → Internal teams cannot safely troubleshoot production systems Recent project outcomes: → Migrated 500+ users from Exchange 2016 to Microsoft 365 with zero email downtime during 72-hour cutover → Reduced AWS infrastructure costs by 30% ($47K annually) through EC2 rightsizing and Reserved Instance strategy → Restored multi-site Active Directory replication affecting 450+ users across 3 locations within 8 hours → Recovered a non-booting domain controller with SYSVOL/DFSR failures in 6 hours, preventing an authentication outage → Automated user onboarding workflows, reducing provisioning time from 2 hours to 10 minutes Microsoft 365 & Exchange - Exchange Online & hybrid Exchange migrations - Tenant-to-tenant migrations - Hybrid identity (Entra ID / Azure AD) - SharePoint & Teams administration - SPF / DKIM / DMARC configuration - Intune device management & endpoint compliance policies - MFA enforcement, Conditional Access, and Microsoft 365 governance - Exchange sync troubleshooting & mailbox recovery Active Directory & Windows Infrastructure - Domain controller recovery & SYSVOL/DFSR replication repair - Multi-site domain controller deployments - Group Policy management & troubleshooting - FSMO role management & transfer - Hybrid AD environments (on-premises + Entra ID) - Windows Server 2012 R2 through 2022 administration AWS & Cloud Infrastructure - Cost optimization & infrastructure analysis (40-60% average reduction) - EC2 rightsizing & Reserved Instance strategy - RDS performance tuning & elastic pool optimization - CloudWatch monitoring & proactive alerting - VPC design & auto-scaling configuration Infrastructure Reliability & Operations - Disaster recovery planning & backup validation - Production change management & operational handoff - 24/7 emergency support for production infrastructure incidents - Flexible timezone coverage (US, UK, Australian business hours) Additional experience includes VMware vSphere, Hyper-V, Fortinet/pfSense networking, Veeam/Commvault backup solutions, and enterprise ITSM platforms including ServiceNow and JIRA. Certifications: → AWS Certified Solutions Architect – Associate → Microsoft 365 Certified: Fundamentals (2024) → MCSA: Windows Server 2016 → Fortinet NSE 1 & NSE 2 Network Security Clients value reliability, communication, and operational accountability just as much as technical execution. If you need an experienced infrastructure engineer to stabilize, migrate, optimize, or maintain production systems, send me: → Current infrastructure overview (platform, user count, pain points) → Project goals and timeline → Any existing documentation or error logs I respond within 24 hours with a project assessment and approach. Available for scheduled migrations, infrastructure remediation, and urgent production recovery engagements.

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!

💼 Network Engineer | NOC Team Lead | Multi-Vendor Specialist | 8+ Years Experience I’m a seasoned Network Engineer with over 8 years of hands-on experience in LAN/wireless network design, escalation support, network administration, and system administration. I bring a strong blend of technical expertise and leadership, having led NOC operations and managed teams to ensure 24/7 high availability across enterprise environments. 🔹 Key Strengths: Designing and implementing high-performance, secure, and scalable networks Troubleshooting and resolving complex networking issues across LAN/WAN/Wi-Fi Managing NOC operations and leading teams for proactive monitoring and rapid incident response Ensuring uptime and reliability in multi-platform, high-availability Data Center environments Expert support across on-premise and cloud-based infrastructure 🔹 Certifications: CCNP Enterprise | CCNP Security Certified Meraki Networking Associate (CMNA) VMware Certified Professional – DCV & Network Virtualization Juniper JNCIA-Cloud Huawei Certified ICT Associate – R&S Microsoft Certified: Azure Fundamentals Cisco Networking: On-Premise and Cloud Solutions (OCSE) 🔹 Multi-Vendor Expertise: I have extensive hands-on experience with a broad range of networking products and technologies, including: Cisco Routers, Switches & Firewalls Cisco Meraki (APs, Firewalls, Switches) Fortinet, Checkpoint, Sophos Firewalls Aruba, Ruckus, Ubiquiti, and other leading wireless solutions Whether you're looking for a network design consultant, an escalation support expert, or a reliable NOC manager/team lead, I bring the right combination of skill, experience, and certifications to deliver outstanding results. Let’s connect and make your network stronger, smarter, and more secure. 💡

I am an enthusiastic IT Professional with 15 years of hands-on skills in Computer Networking, Server Virtualization, Desktop Virtualization, Network Virtualization, Cloud Computing and Platform OS Currently, I hold these certifications VCAP-DCV, VCP-DCV, VCP-NV, AWS-SAA, CCNP, CCNA, MSTS, MCP, DELL Certified Proven Professional VxRail Deploy and PowerStore Deploy.

Cloud and Systems Engineer with over 15 years of experience IT industry and blend expertise within Microsoft 365, Azure Cloud Solutions, LAN, WAN, Systems such as Windows and Linux. Code Version Management, CI/CD with Git, Puppet others. Kubernetes orchestration and Docker container management experience. I have worked for various international companies including software development companies, educational, institutes, Banking, and Stock exchange. On-premises, public cloud, private cloud, hybrid design and operations expertise. Large AWS, Azure, and Google Cloud deployments and migrations Technology savvy more into Opensource and Networking Solutions. Certifications: Microsoft Certified Azure Solutions Architect Expert Microsoft Certified Azure Administrator ITIL version 3 Cisco Certified Network Associate Cisco Certified Network Professional - Routing Microsoft Certified Professional I have strong skills in the following areas, - Design and deploy solutions in cloud platforms (Azure, AWS) - Office 365 Administration over 5 years - Providing Support for Global level for M365 - Administrating Windows Client Os - Windows 10 - Windows Server 2008 - 2016 Configuration - Pfsense Firewall, IPSec VPN Configuration - Network Infrastructure Design, Deployment, Ongoing Administration / Maintenance, Migration, Optimization/Tuning - System Administration in operating systems such as Centos, Ubuntu, and Windows - Firewall configuration and Administration - MySQL and MS SQL Database Administration - Virtual Server infrastructure (HyperV, VM Ware, etc.) - Network and Server Monitoring - CPanel and Web Hosting panels Installation & management - Windows RDS Solution Provider, RDS Licensing, RDS Wep Apps Solution Provider

BS.c, MS.c In Electronics & Telecommunication/ IT Security CCSA, CCNA-CCNP R&S,CCNA-CCNP Security, CISSP, CEH, CHFI, LPT, CSX, CISM In my last 7 years i have been working on variety of System/Network products and have gained wide experience in Microsoft, Cisco, Intel McAfee, Azure, AWS, AlienVault, PaloAlto, Fortigate, Sonicwall, Checkpoint, HP/EMC, F5 ,Radware technologies. Used Different Products and infrastructures such as Windows, Linux desktop/server administration, Network infrastructure administration including Cisco iOS, Juniper or 3rd party (Switches, Routers, Firewalls), Cisco and other Wireless products, Snort, Alien Vault, McAfee DLP/IPS/Web gateway products, Network monitoring products (Net flow Analyzer/PRTG/Noci), NAC Solutions (Cisco, Forescout), Load balance solutions (Radware, F5), URL Filters (FortiGate/Palo Alto/PF Sense), Proxy solutions (Bluecoat/McAfee Web gateway), VMWare ESX, Veeam, Amazon AWS, Azure Cloud Solutions, Office 365, Google Apps. I have been involved in design, configuration and troubleshooting of Network products. ***Firewalls: Palo Alto PA500/PA4000, Cisco ASA 5500 Series Cisco RV Series Cisco IAS 500 Series Cisco PIX Cisco IPS 4200 Series Fortigate 40C Fortigate 60C Fortigate 60D Fortigate 800C Fortigate 100C Fortigate 310B Fortigate 620B Checkpoint 4000 Appliance Checkpoint 2200 Appliance Checkpoint 12400 Appliances Checkpoint 12600 Appliances Sonicwall TZ Series Sonicwall NSA Series DrayTek Vigor 3200 Series DrayTek Vigor 2925 Series DrayTek Vigor 2920 Series Pfsense Juniper SRX Series Juniper SSG Series. ****Load Ballancers: F5 BIG-IP 4000s F5 BIG-IP 3900 F5 BIG-IP 2200s F5 BIG-IP 2000s F5 BIG-IP 1600 Radware LinkProof 200/208 Radware App Director Cisco ACE 4700 Application Control Engine Barracuda 440 Routers: Cisco 800 Series Cisco 1700 series Cisco 1800 series Cisco 2600 series Cisco 2800 series Cisco 2900 series Cisco 3800 series Cisco 1000 series Cisco 7600 series Switches: Cisco SG300 Cisco Catalyst 2900 series Cisco Catalyst 3500 series Cisco Catalyst 3600 series Cisco Catalyst 4500 series Cisco Catalyst 6500 series Cisco Catalyst 6800 series HP 3500 series HP 2500 series Netgear Prosafe GSM 7224 Netgear FS750T2 Netgear FS728TS Netgear FS728TP *****Wireless Controller & Access Points: Cisco Meraki, Cisco WLC 2500 series Cisco WLC 2600 series Cisco Aironet 3600 Series Cisco Aironet 2600 Series Cisco Aironet 1600 Series NETGEAR ProSAFE® Wireless Access Points ******NAC: Forscout and Cisco NACs.