Hire the Best Network Engineers
in Sri Lanka

Are your VoIP systems unreliable, your network slow, or your IT operations hard to keep on top of? I help businesses solve exactly that — with fast, reliable, and well-documented solutions. With over 9 years in IT, I specialise in service delivery, VoIP engineering, network administration, and Linux system administration. I have hands-on expertise with Asterisk PBX — from initial deployment and dial plan configuration to troubleshooting and ongoing optimisation for call centres and business communications teams. Here's what I bring to every engagement: • VoIP system setup, configuration, and support (Asterisk, FreePBX, SIP trunking) • Network administration — LAN/WAN, routing, switching, firewall management • Linux administration — Ubuntu, CentOS, scripting, and automation • End-to-end IT service delivery — from helpdesk operations to infrastructure management • BPO and call centre technical support — systems, tools, and agent support • Remote troubleshooting, documentation, and clear client communication I hold a 100% Job Success Score on Upwork and take pride in delivering work that's on time, well-communicated, and built to last. I'm comfortable working independently or as part of a distributed team, and I adapt quickly to new environments and tools. If you need a reliable, experienced IT professional who communicates clearly and gets the job done right — let's talk. Send me a message and I'll respond within a few hours.

I am skilled professional in the field of IP Networks , Mobile Packet Core Networks, Netowrk software development and process automation with more than 15-year industry experience. IP Network network related troubleshooting, configuration, designing ,Network Process Automation,Network Software Development, Linux System administration, Network security configurations such as VPN,Firewall ,Web developments are my key areas as freelancer. I have more than 15 years of industry experience above areas. I am looking forwards to accept projects related to above areas with reasonable low rate since I am new to upwork.

Bachelor of Engineering (BEng) in Computer Networking and Cloud Security, Cisco Certified CCNP - Enterprise, CCNP - Security, and CCNA Cyber Ops and Experienced IT, Network, Security Specialist skilled & I have more than ten years of experience with following, - Assist in planning, design, documentation, and implementation of Network, Security, and System infrastructure - Hands-on experience with configuration administration of Cisco, Meraki, HP, Dell, Ubiquiti, routers, switches, and network devices and Cisco ASA, Fortinet, SonicWall, PaloAlto, pfSense, OPNsense firewall devices - TCP/IP, Routing and Switching Protocols RIP, EIGRP, OSPF, BGP, GLBP VRRP, HSRP, VLANS, STP, VTP, ACL, Security features - IP Sec site to site and remote access VPN on Ubiquiti Unifi, Fortigate, SonicWall, PaloAlto, pfSense, OPNsense firewalls, AWS, Azure, GCP cloud services, and Strongswan, Openswan and Libreswan as well - Familiar with security platforms such as IPS, IDS, Web Security Appliance, Email Security Appliance, and Cisco ISE - Familiar with VOIP platforms such as FreePBX, Grandstrem, etc

Network Engineer with 7+ years of experience in network design, escalation support, network administration, and systems administration. Skilled in delivering technical support, managing network operations, and maintaining enterprise-wide area networks across multi-platform and high uptime Data Center environments.

Hello, I am a senior network engineer with 20+ years of overall experience in Network Engineering. I got myself certified in respective domains as well through CCIE(R&S) & ACMP, ACSP(Aruba Certifications). I have held positions in Enterprise, System Integrator and Service Provider environments and gained extensive hands on experience in Network designing, implementation, troubleshooting and optimization in the domains of Routing & Switching, Wireless, Network Security and Unified Communication. I strongly believe that my knowledge, experience and technical know-how in the field will equip me to exceed your expectations if the opportunity avails to me.

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!