RAJEEWA PRABATH WICKRAMARATHNA

Managed a 10+ member network administration team, providing technical guidance and mentorship to achieve project objectives and foster professional growth.

Oversaw the design, implementation, and maintenance of robust network infrastructures (LAN/WAN, wired/wireless) across multiple hospital branches, ensuring high availability and performance for critical healthcare operations.

Administered and optimized diverse server environments, including Windows (2003-2019) and Linux mail servers, along with VMware 5.1/5.5 Enterprise Plus solutions with HA/DRF, ensuring system resilience.

Enhanced network security by deploying and managing Open-Source Firewalls, Check Point Security Appliances (5400 PL-10), and FortiGate 80E Series, safeguarding sensitive healthcare data.

Directed the implementation of advanced systems, including 5.0GHz WAN wireless connectivity, CCTV surveillance with Synology, and multi-vendor IP cameras, improving operational efficiency and security monitoring.

Ensured IT infrastructure compliance with stringent hospital certification standards (JCI, ACHS), playing a direct role in achieving and maintaining accreditation for IT-level healthcare services.

Spearheaded network monitoring solution implementation, enabling proactive identification and resolution of issues to maintain network stability and optimize uptime.

Authored comprehensive technical requirement documents and strategic plans for network upgrades and new product rollouts, facilitating informed decision-making and successful project execution.

Provided comprehensive provisioning and troubleshooting support for BlackBerry services, resolving complex technical issues for users.

Diagnosed and rectified Wi-MAX and Wi-Fi connectivity defects for customer-end devices, significantly improving service reliability and user satisfaction.

Participated in daily service installations and system monitoring, contributing to efficient service activation and proactive issue detection.

Supported Tier 1 engineers with advanced troubleshooting guidance, enhancing overall technical support capabilities and resolution rates.

Led the end-to-end network infrastructure management, from gathering requirements and designing solutions to implementing and deploying network systems.

Coordinated with a ticketing company for efficient testing and production deployments, ensuring smooth transitions and minimal disruption.

Provided comprehensive customer training and support, enhancing user adoption and proficiency with new network systems.

Maintained all network hardware and software, including Windows 2003 server backends, ensuring system stability and performing computer troubleshooting and repairs.

Collaborated with clients to gather detailed requirements and design tailored network solutions, ensuring alignment with specific customer needs.

Executed successful on-site deployments of Local Area Networks (LAN) and Wide Area Networks (WAN), encompassing both wired and wireless infrastructures.

Implemented Voice over IP (VoIP) networking solutions for enterprise clients, scaling systems from small remote offices to large central offices.

Delivered robust security solutions, leveraging leading security products to enhance network architecture and protect organizational data for various organizations.

Implemented Wide Area Network (WAN) solutions for 65 dealer locations of Abacus International Lanka and 5 factories of VougeTex (Pvt) Ltd, utilizing IP-VPN and Frame Relay technologies for data and voice connectivity.

Deployed comprehensive LAN/WAN solutions for 36 outlets of Cargills Ceylon (Pvt) Ltd and 15 travel agents of Abacus International Lanka, ensuring robust connectivity for large-scale operations.

Led the implementation of Internet Firewall solutions for Abacus International Lanka and Birdweir Interfashion (Pvt) Ltd, enhancing network perimeter security.

Designed and implemented Wireless LAN solutions on 2.4/5.0 GHz spectrum for Union Commodities (Pvt) Ltd and the Council for Agriculture Research policy, optimizing inter-building connectivity and network access.