Udana De Silva

Experience

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  Integrated telecom systems management services pvt ltd

  May 2012 - Dec 2012

  Technical officer (Telecommunications)

  BTS / MW Infrastructure Site Survey Sketch the BTS / MW Site. Getting the GPS coordinates of the site and mention the north up of the sketch using a compas. Calculate heights, depths, relative positions, property lines, and other characteristics of the site. Prepare and maintain sketches, maps, reports of surveys to describe, certify, and assume liability for work performed. Analyse and propose locations for new BTS / MW related equipment installation. Get all the relevant images of currently existing equipment and locations of proposed equipment. Handover all the data, charts, plots, maps, records, photos and documents by keeping back up and track records to the draftsman. Supervise draftsman for preparing the final TSSR.BTS / MW Installation-Outdoor Arranging of cable ladder for supporting Routing of cables Clamping Water-proofing cables through the ladder using silicone bonding tapes. Assisting riggers for fixing of RF antennas and Microwave antennas Assisting riggers for alignment of Antennas as per specifications Earthing / Grounding of equipment-Indoor Installation of Base Transceiver Station (BTS) Installation of Tx. Rack Arranging indoor RF and Fiber cabling Making 1/2" and 7/8" Coaxial cable connectors Fixing of cable ladder Cable lug installations Installation of battery bank Water-proofing the cabinet using silicone gel. Earthing / Grounding of equipment Show less

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  NMI Infra Private Limited

  Oct 2013 - Mar 2014

  Technical Officer (Telecommunications)

  -Performed pre migration drive radio frequency evaluation of cell sites location planning or acquisition.-Performed Single site verification (SSV), stationary drives using download and upload scripts to generate good throughput on each sectors on 2G, 3G Sites.-Verified the network, site functionality properly, antenna positions, antenna tilts.-Worked closely with RF engineers collecting data for future build planning and live data for optimization using tools like TEMS and MAPINFO software.-Performed Stationery and mobility test and Cluster Drive using Street Map. Show less

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  Telephony Communication Technologies

  May 2014 - Mar 2015

  Telecommunication Technician

  Fiber ISP installation Structured Cabling, Trunking, Drilling, Labelling, ONT Splicing ONT Commissioning DocumentationFiber OSP Installation OSP MAP Reading Cabling through Man holes and Hand Holes, Using Push Rod for cable pulling and clearing blockages, Arrangeing and labelling inside Man holes First Splitter Splicing, Maintain Quality and Safety Standards

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  Sri Lanka Telecom (Services) Ltd

  Jun 2015 - Feb 2021

  Contractor Payment and Quality Control | SLTS NC ProjectManaged the entire payment process for Unit Rate contractors, ensuring timely and accurate handling of payments.Administered the reception and tracking of contractor invoices, maintaining comprehensive records.Released 60% of the invoice value after tallying the number of completed connections, withholding 40% for quality control.Led and coordinated a team to conduct 10% random sample checks on contractor work for quality and quantity deviations.Evaluated sample checks, identifying discrepancies, and applied a penalty scheme where deviations occurred.Oversaw the release of the remaining 40% of the invoice, making necessary deductions for any identified deviations.Ensured that all contractors adhered to the latest quality and safety practices through regular updates and compliance monitoring.Provided training sessions to contractors to promote adherence to safety and quality standards. Show less Telecommunication Project Surveying, Planning, and Quantity Surveying:Conducted detailed surveying and planning for various telecommunication infrastructure projects, including:Customer Request (CR): Assessed customer needs and planned appropriate telecommunication solutions to meet project requirements.Shifting and Rehabilitation: Evaluated and planned the relocation or upgrading of existing telecommunication systems to minimize disruption and ensure service continuity.Small Scale Development (SSD): Planned and executed telecommunication projects on a smaller scale, ensuring the efficient use of resources and timely project completion.Fiber Small Scale Development (FSSD): Specialized in planning fiber-optic development projects, from surveying to implementation, optimizing network performance.Telecommunication Quantity Surveying (QS):Provided comprehensive quantity surveying services for the following types of projects:Customer Request (CR): Calculated the necessary materials and costs to fulfill customer-specific telecommunication requirements.Shifting and Rehabilitation: Estimated the costs associated with relocating and upgrading existing telecommunications infrastructure.Small Scale Development (SSD): Determined the material and financial requirements for smaller telecommunication installations and upgrades.Fiber Small Scale Development (FSSD): Focused on the cost estimation and resource allocation for fiber-optic infrastructure projects.Invoice Preparation (Unit Rate Prices):Prepared accurate and detailed invoices for telecommunication projects based on Unit Rate (UR) pricing. Demonstrated advanced proficiency in Microsoft Excel for financial documentation, project budgeting, and data analysis. Show less Island wide Quality Inspection for SLT PSTN and FTTH Connections Attending ongoing quality and quantity inspections of SLT new connections Capturing the photo proofs for quality and quanity issues Identifing knowledge gaps of the contractors and carry out the trainings and awareness sessions Attending monthly quality and safety awareness sessens for the contrators Coordinating the contractors and the SLT quality department and develop the existing SOP Making quality evaluation report | Good command in MS excel Motivate contractors for maintaining good quality and safiety practises Show less Island wide Quality Inspection for SLT PSTN and FTTH Connections Attending ongoing quality and quantity inspections of SLT new connections Capturing the photo proofs for quality and quanity issues Identifing knowledge gaps of the contractors and carry out the trainings and awareness sessions Attending monthly quality and safety awareness sessens for the contrators Coordinating the contractors and the SLT quality department and develop the existing SOP Making quality evaluation report | Good command in MS excel Motivate contractors for maintaining good quality and safiety practises Show less

  • Senior Technical Officer (Telecommunications)

    May 2019 - Feb 2021

  • Senior Technical Officer (Telecommunications)

    Jun 2018 - May 2019

  • Technical Officer (Telecommunications)

    Dec 2016 - Jun 2018

  • Technical Officer (Telecommunications)

    Jun 2015 - Dec 2016
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  Dialog Axiata PLC

  May 2022 - now

  Technical Officer - Customer Resolution Centre

  First Level Technical Support for Dialog TV Customers• Provide first-level technical support for satellite TV customers.• Diagnose and resolve issues related to equipment, signal reception, and service disruptions.• Assist customers via phone, chat, and email.• Monitor system performance and analyze signal strength.• Maintain detailed customer interaction records and create technical documentation.• Collaborate with higher-level support teams to resolve complex issues.• Educate customers on equipment use, troubleshooting, and maintenance.• Contribute to service improvements and collect customer feedback.• Ensure compliance with company policies and maintain professionalism.First Level Technical Support for Dialog Home Broadband Customers• Provide first-level technical support for home broadband customers.• Resolve connectivity, network, modem/router setup, and configuration issues.• Assist with account setup, service activation, and plan upgrades.• Educate customers on maintaining stable and secure broadband connections.• Provide cybersecurity advice and tips for optimizing Wi-Fi performance.• Maintain detailed customer interaction records and generate reports.• Collaborate with support teams and escalates to higher level technical support when required.• Focus on delivering high-quality customer service and ensuring satisfaction. Show less

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  London Metropolitan University

  May 2023 - May 2024

  BEng (Hons) Computer Networking & Cloud Security Project & Course Work

  Network Security:• Cryptography and Applications: symmetric and asymmetric encryption, hashing, and digital signatures. Applied these concepts to secure communication and data integrity.• Cyber-Attacks and Mitigation Techniques: Phishing, DDoS, malware, and advanced persistent threats (APTs). Learned strategies and tools for mitigating these threats.Network Configuration and Management:• Cisco Device Hardening• Configure Multiple Privilege Levels and Role-Based CLI: • Implement Layer 2 Security Best Practices: Port security, BPDU Guard, and DHCP snooping.• Configure AAA (TACACS+, RADIUS), NTP, Syslog, DNS Servers: • Configure ACL (Access Control Lists) and ZPF (Zone-Based Policy Firewall)Secure Network Management:• Managed and secured network devices using SSL/TLS • Configuring Site-to-Site IPSec VPNFirewall Technologies:• Gained hands-on experience with Next-Generation Firewalls (NGFWs) including Cisco ASA and Palo Alto Networks. Configured and managed firewall policies to enhance network security.Cyber Security Operations (CCNA Cisco Cyber Ops)• Developed a comprehensive understanding of cyber security operations with a focus on practical skills required for real-world network security. Proficient in network monitoring, analysis, and incident response using Cisco tools and methodologies. Gained hands-on experience in threat detection, investigation, and mitigation in a networked environment.Wireless Networks (Cisco)• Studied the design, implementation, and management of wireless networks using Cisco technologies. Learned about wireless LAN design, security. Acquired skills in configuring wireless access points, controllers, and ensuring secure and reliable wireless connectivity.IoT Systems and Security• Explored the architecture, protocols, and security considerations of Internet of Things (IoT) systems. Learned to secure IoT devices and networks, addressing unique challenges such as resource constraints and diverse communication protocols. Show less