About
Highly accomplished Network Administration Manager with over two decades of progressive experience in designing, implementing, and optimizing complex network infrastructures across diverse industries. Proven leader of 10+ member teams, specializing in Cisco, Open Source, Microsoft, and VMware-based solutions, with a strong track record of enhancing system reliability, security, and compliance. Driven to leverage extensive technical expertise to deliver maximum value and contribute to an organization's strategic objectives.
Work
Asiri Group of Hospitals (Pvt) Ltd
|Manager, Group Network Administration
Colombo, Western Province, Sri Lanka
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Summary
Led Group Network Administration, overseeing the strategic design, implementation, and maintenance of robust network infrastructures across multiple hospital branches while managing a 10+ member team.
Highlights
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.
Dialog Telecom PLC
|Officer - Internet Service Provider
Colombo, Western Province, Sri Lanka
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Summary
Provided technical support and troubleshooting for internet services, ensuring high customer satisfaction and efficient issue resolution.
Highlights
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.
Shan Travels and Tours (Pvt) Ltd
|Network Administrator
Colombo, Western Province, Sri Lanka
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Summary
Managed network infrastructure, from requirement gathering to deployment and maintenance, ensuring optimal system performance.
Highlights
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.
Softlogic Computers (Pvt) Limited
|Network Technician
Colombo, Western Province, Sri Lanka
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Summary
Provided end-to-end network solutions, from design to deployment and support, specializing in VoIP and security for enterprise clients.
Highlights
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.
Languages
English
Sinhala
Certificates
SC-900T00 - Microsoft Security, Compliance and Identity Fundamentals
Issued By
Microsoft
Red Hat Enterprise Linux Essential (RH033 Program)
Issued By
Red Hat
Linux Professional Institute Certification (LPIC 101)
Issued By
Linux Professional Institute
Microsoft Certified Professional (MCP)
Issued By
Microsoft
Diploma in Computer Programming
Issued By
IDM Computers
Securing Cisco Network Devices (SND)
Issued By
Cisco
Securing Networks with PIX and ASA (SNPA)
Issued By
Cisco
Securing Networks with Cisco Routers and Switches (SNRS)
Issued By
Cisco
Implementing Cisco NAC Appliance (CANAC)
Issued By
Cisco
Cisco Intrusion Prevention System (IPS)
Issued By
Cisco
Cisco Network Admission Control Specialist
Issued By
Cisco
Cisco IOS Security Specialist
Issued By
Cisco
Cisco IPS Specialist/ Cisco Firewall Specialist
Issued By
Cisco
Cisco Certified Internetwork Expert (CCIE written)
Issued By
Sri Lanka Institute of Information Technology University
Cisco Certified Security Professional (CCSP)
Issued By
Sri Lanka Institute of Information Technology University
Cisco Certified Network Associate (CCNA)
Issued By
Sri Lanka Institute of Information Technology University
Skills
Networking
Routing, Switching, Network Design, Virtualization, Wireless Networks, Voice over IP (VoIP), LAN/WAN Implementation, VPN Solutions, ADSL, Wi-MAX, Wi-Fi, Network Prototyping, Network Monitoring.
Security
Firewall, IPS (Intrusion Prevention Systems), Network Security Architecture, Check Point Security Appliances, FortiGate Series, CCTV Surveillance Systems.
Systems Administration
Windows Server (2003-2019), Linux Systems, Mail Server Management, VMware (5.1, 5.5 Enterprise Plus), High Availability (HA), Disaster Recovery (DRF), Synology NAS.
Project Management
Project Planning, Implementation, Deployment, Requirement Gathering, Client Coordination, Cross-functional Collaboration, Agile Methodologies.
Leadership & Mentorship
Team Leadership (10+ members), Technical Guidance, Mentoring, Motivation, Problem Solving.
Technical Support
Troubleshooting, Customer Support, Defect Fixing, System Monitoring, Ticketing Systems.
Compliance & Standards
JCI (Joint Commission International), ACHS (Australian Council on Healthcare Standards), Organizational Standards.
Soft Skills
Analytical Skills, Communication, Adaptability, Teamwork, Quick Learning.
Interests
Music & Film
Listening to music, Collecting songs (original recording), Watching films.
Automotive
Vehicles.
Photography & Nature
Traveling, Photography, Nature, Animal Lover, Wildlife photography.
Sports & Recreation
Cricket, Volleyball.
Conservation
Young Zoologist (YZ) Member, Field Ornithology Group of Sri Lanka (FOGSL) Member.
References
Lasantha Withanage
Sabre Travel Network Lanka, Senior Field Service | Phone: +94777343447 | Email: lashantha.withanage@softlogic.lk
Vidura Senadeera
Anexta Business Solution, Head of Technical | Phone: +94777165899 | Email: vidura@anextabiz.com