Open To Work
Indushan Kasthuri Rathnayaka
Academic Lecturer
Nittambuwa
Summary
Dynamic educator and telecommunications professional with extensive experience at SLT-Mobitel. Proven expertise in curriculum development and effective lecture delivery. Strong skills in fostering critical thinking and mentoring students, enhancing learning outcomes through strategic instructional design. Committed to preparing students for successful careers in technology.
Overview
6
6
years of professional experience
Work History
External Lecturer
SLT-Mobitel Nebula Institute of Technology
Welisara
02.2026 - Current
- Developed course materials that enhanced student comprehension and engagement.
- Engaged students in lectures on telecommunications and technology trends, enhancing their interest and understanding.
- Facilitated discussions that promoted critical thinking and deepened subject comprehension among students.
- Evaluated student performance through assignments, exams, and various assessments.
- Collaborated with faculty to refine curriculum and improve teaching methodologies.
- Mentored students in academic pursuits and career options within telecom sectors.
- Utilized multimedia tools to enrich classroom learning experiences.
- Cultivated a positive learning environment by actively involving students in class activities and discussions.
Telecommunication Support Executive
Superloop
Colombo
11.2025 - 02.2026
- Delivered Tier 1 technical support for broadband, VoIP, and mobile services, ensuring efficient diagnosis and prompt resolution of customer issues.
- Managed customer interactions through helpdesk tickets, calls, emails, and social media enquiries, ensuring timely follow-up and clear communication to enhance customer satisfaction.
- Assist customers with configuration and troubleshooting of customer premises equipment (CPE), including routers, extenders, mesh devices, and switches.
- Supported customers with VoIP configurations, SIP settings, and call-quality troubleshooting, facilitating seamless service activations.
- Use Salesforce for ticket management, updating data to match fields, documenting service issues, and maintaining accurate customer records.
- Utilize internal ISP systems and customer databases such as EIDA for account verification, service checks, and backend troubleshooting.
- Escalate and coordinate with wholesale suppliers - NBN Co, Opticom, Telstra, Optus- to resolve service faults raised by end users.
- Track and follow up on faults and outages while keeping customers informed with timely updates until resolution.
Shift Leader
Tesco Express
Hatfield
06.2023 - 10.2025
- Led team in daily store operations, ensuring efficient inventory management, high-quality customer service, and adherence to company policies.
- Train and support new and existing staff, fostering a positive work environment and improving team efficiency.
- Oversaw cash handling and security procedures, ensuring accuracy in financial transactions and safeguarding against losses.
- Oversee stock replenishment and merchandising to enhance sales and store presentation.
- Handle customer inquiries and resolve issues effectively to maintain high service standards.
- Collaborated with management to implement operational improvements, directly contributing to achievement of performance targets.
Engineer - Level 1 (Network Operations Centre)
Tata Communications
Colombo
01.2021 - 01.2022
- Monitored network performance and identified faults, ensuring uninterrupted connectivity.
- Provided first line troubleshooting for network issues, minimizing service disruptions.
- Assisted clients with LAN, WAN, and internet connectivity support.
- Escalated critical faults to Level 2 and Level 3 support teams, expediting resolution.
- Coordinated with service providers and vendors, streamlining issue resolution process.
- Maintained documentation of network incidents and troubleshooting procedures.
- Ensured compliance with network security policies and best practices.
External Lecturer
Sri Lanka Telecom
Colombo
01.2020 - 12.2021
- Lectured on internetworking, cloud computing, IoT, machine learning, and big data for advanced IT certification programs.
- Taught telecommunications modules for City & Guilds vocational training programs, aligning curriculum with industry standards and enhancing student employability.
- Delivered ICT training on Microsoft Office, HTML, and CSS, equipping students with essential technical skills for career advancement.
- Provided hands-on guidance to students, preparing them for industry roles in technology.
Information Technology Assistant
Wacoal Lanka
Gampaha
06.2020 - 01.2021
- Provided technical support for hardware, software, and network-related issues.
- Assisted in system administration, including user account management and access control.
- Monitored and maintained network connectivity, minimizing downtime and ensuring reliable access for users.
- Installed, configured, and updated computers, printers, and other IT equipment.
- Supported employees with troubleshooting Microsoft Office and enterprise applications.
- Managed data backup and recovery procedures, safeguarding critical information from potential loss.
- Assisted in enforcing IT security policies, reinforcing system integrity and compliance with best practices.
Education
MSc - Communication and Information Engineering
University of Hertfordshire
Hatfield, UK09-2023
BEng (Hons) - Electronics and Communication Engineering
University of Hertfordshire
Hatfield, UK10-2019
Skills
- Student-centered teaching
- Lesson planning
- Curriculum development
- Lecture delivery
- Explain engineering concepts
- Student mentoring
- Multimedia integration
- Instructional material development
- Research methodology
- Critical thinking
- Professional communication
- Team collaboration
Projects
- Masthead Combiner Design for Mobile Communication Systems
Designed and simulated a four-port masthead combiner with integrated low-noise amplifier to improve signal reception efficiency in mobile communication systems using CST Studio Suite RF simulation tools. - DWDM Optical Communication System Impairment Analysis
Investigated transmission impairments in Dense Wavelength Division Multiplexing (DWDM) systems using Optiwave OptiSystem, analysing signal degradation, dispersion effects, and system performance. - Optical Fiber Communication System Simulation
Modeled and evaluated fiber optic transmission systems to analyze signal attenuation, dispersion, and optical amplification techniques. - RF and Microwave System Design Simulation
Performed electromagnetic simulations to evaluate RF circuit behaviour, antenna characteristics, and signal propagation using CST Studio Suite. - Telecommunication Network Architecture Analysis
Studied and modeled modern communication network structures including switching, routing, and traffic flow optimization in large-scale telecom infrastructures. - Network Monitoring and Operations Analysis (Industry Experience)
Monitored and analysed telecommunication network performance in a Network Operations Centre (NOC) environment, identifying faults and supporting network reliability. - Packet Switched Network Simulation using Cisco Tools
Designed and simulated enterprise network architectures using Cisco Packet Tracer, implementing routing protocols and network security principles. - Signal Processing and Communication Systems Study
Analysed digital communication techniques including modulation, signal encoding, and noise mitigation methods.
Work Preference
Job Search Status
Open to workWork Type
Full TimeLocation Preference
On-SiteSalary Range
Rs2500/hr - Rs5000/hrTimeline
External Lecturer
SLT-Mobitel Nebula Institute of Technology
02.2026 - Current
Telecommunication Support Executive
Superloop
11.2025 - 02.2026
Shift Leader
Tesco Express
06.2023 - 10.2025
Engineer - Level 1 (Network Operations Centre)
Tata Communications
01.2021 - 01.2022
Information Technology Assistant
Wacoal Lanka
06.2020 - 01.2021
External Lecturer
Sri Lanka Telecom
01.2020 - 12.2021
MSc - Communication and Information Engineering
University of Hertfordshire
BEng (Hons) - Electronics and Communication Engineering
University of Hertfordshire