Summary
Overview
Work History
Education
Skills
Affiliations
Accomplishments
Certification
Professional Affiliations
Charity Projects
Volunteer Experience
Other Experience
References
Timeline
Generic

Sajan Dissanayake

Perth

Summary

Telecommunications Engineer with over 5 years of experience in Radio Access Network (2G, 3G, 4G, 5G) planning, optimisation, and field operations. Skilled in electrical and power system design, commissioning, and maintenance planning, with proven expertise in the installation, operation, and upkeep of telecom and electrical equipment. Strong background in project management, site audits, and troubleshooting, with hands on experience in multi vendor wireless systems (Huawei, Ericsson) and RF testing tools. Adept at mentoring team members, collaborating with vendors, and ensuring compliance with quality and safety standards. Recognised for delivering cost effective solutions, supporting large scale projects, and adapting to demanding environments including FIFO/DIDO field assignments.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Senior Radio Network Planning Engineer- Regional Manager

Dialog Axiata PLC
09.2023 - Current
  • Lead 2G,3G,4G,5G network planning and optimization for the Western North region (covering 30% of the national network), managed the regional planning team, provided technical support for regional projects, and executed technical trial initiatives.
  • Network upgrade plan formulation ( centralized, whole network) ( GSM, LTE)
  • Monitor network performance improvement from hardware and software upgrades and resolve day-to- day issues
  • Liaised with mobile network deployment and provided detailed site design drawings, site survey reports and site parameters in order to integrate all new sites within project timeframes
  • Regularly track and maintain Key Performance Indicators relevant to NR, LTE FDD/TDD, UMTS, and GSM network functionalities.
  • Assist the network rollout team (internal and external) with technical support
  • Provide technical assistance and trainings to regional planning team members
  • Conduct 2G/3G/4G/5G Technical Site Surveys in coordination with other disciplines (Transmission, Acquisition, Implementation, and Civil) to finalize optimum locations to meet coverage objectives
  • Comprehensive Hands-On Familiarity with Huawei & Ericsson RAN Equipment Hardware (Antenna/RRU/BBU), Radio Network Parameters, and Optimizing Feature Implementation.
  • Optimization/structural/commercial and sub contractor teams to evaluate network performance and upgrade requirements, 5G mmWave/small cell site planning, coverage predictions using Atoll
  • Verification of physical parameters plan & provide recommendations for Tilt, azimuth & height modification as per necessary.
  • Extensive Hands-On Experience with Planning Tools: Proficient in Discovery, U2020, MAOS, BI Launch Pad, and ENM.
  • Carry out analysis of drive tests LTE/NR and follow up with necessary corrective actions to improve the radio network performance using TEMS Investigation and TEMS discovery
  • Proficiency in working with design tools and IT systems (AutoCAD, JIRA, SAP), advanced Excel (pivot tables/charts, advance functions, VLOOKUP, INDEX MATCH), MS Word, PowerPoint, Access and Outlook.

Access Network Optimization Engineer

Dialog Axiata PLC
11.2020 - 09.2023
  • RAN new features activation planning and optimization
  • Handle 2nd Level customer complaints, trouble tickets and resolve the issues
  • Recognize and rectify network issues by coordination with the field engineers, network operation centre (NOC) and regional business managers
  • Execute parameter optimization for eNodeB, RNC, BTS, and BSC, with the aim of elevating KPIs and mitigating customer issues.
  • Create 4G and 5G RAN Monitoring reports including defining counters and KPIs.
  • E2E Cluster KPI optimization, tunning & management report preparation.
  • Worst Cell analysis and optimization proposal for major KPI s like RRC failure, RAB Assignment failure, CS Drop, PS Drop, and Power congestion.
  • Single Site Verification (SSV) Report prepare and check
  • Reviews and provides analysis network fault tickets with corresponding recommendations and solutions to minimize prolonged outages.

Teaching Assistant

University of Peradeniya
Peradeniya
08.2020 - 11.2025
  • Conducted lab sessions and Tutorial sessions for 3rd year and Final year Undergraduates.
  • Instructor in charge of High Voltage Engineering and Electric Machines courses.
  • Facilitated group discussions and provided support to students.

Trainee RF Engineer

Huawei Technologies Lanka Co. (Pvt) Ltd
02.2018 - 06.2018
  • Assigned to Airtel Maintenance Services Project. Allocated to Planning, RF, Transmission, Core and Maintenance Sections.
  • Obtained hands on experience in site maintenance and PATs.
  • Learned about configuring networking equipment (Routers)
  • Trained at Airtel Network Operations Centre and Core Section and engaged in operations.
  • Learned new site planning, Optimization and handling customer complaints in RF section.

Trainee Electrical Engineer

Lanka Transformers LTD
10.2016 - 01.2017
  • Assigned to LTL Transformer Manufacturing plant in Moratuwa Sri Lanka, got a broader knowledge in transformer manufacturing process.
  • Engaged in High Voltage Transformer Testings such as Insulation resistance, Voltage group, Voltage ratio, Winding resistance, No load, Full load and impedance measurement.
  • Engaged in a Lighting Design project for 300MW Power plant in Bangladesh.
  • Collaborated with senior engineers on project specifications and requirements.
  • Analyzed the electrical drawings of different projects and suggested improvements for issues. • Gathered vast knowledge about the Generation, Distribution, Transmission, and Maintenance procedures in the power system of Sri Lanka.

Education

MSc. Engineering - Electrical Power Applications, Power and Energy Systems, High Voltage Engineering

University of Peradeniya, Faculty of Engineering
Sri Lanka
08.2024

B.Sc. Engineering - Electrical and Electronic Engineering

University of Peradeniya, Faculty of Engineering
Sri Lanka
07.2020

Skills

  • RAN Planning and Optimization
  • Telecommunication Project Management
  • Team leadership
  • Customer relationship management
  • Preparing Technical Proposal
  • Project Planning
  • 2G/UMTS/LTE/NR
  • Performance Monitoring
  • RF Troubleshooting
  • Energy management
  • Electrical Troubleshooting
  • Leading and mentoring cross functional teams

Affiliations

2019/2020: Nominee for the Eng. E.W. Karunarathne Award, which is awarded for the best undergraduate project in electrical engineering (nationwide) for the research project 'Fetal movement detection and condition monitoring"

Accomplishments

A patent application for the Fetal Movement Monitoring device was submitted to the National Intellectual Property Office of Sri Lanka under the application number LK/P/20786. The title is “A Fetal Movement Counting Device,” and the application is currently being processed.

Certification

Peer-Reviewed Journal

Novel non-invasive in-house fabricated wearable system with a hybrid algorithm for fetal movement recognition. In PLOS ONE (2021) (h5 index - 198),

International conferences

Non-invasive wearable device for fetal movement detection in 2020 IEEE 15th International Conference on Industrial and Information Systems (ICIIS) (pp. 285-290). IEEE.

Professional Affiliations

  • Graduate Member-Engineers Australia EA ID: 9794935
  • Associate Member-IESL (The Institution of Engineers, Sri Lanka) Membership No: AM-26658 •

Charity Projects

  • Volunteered as the Organizing Committee President of the GCE Ordinary Level Seminar Series called Knowledge for a Bright Future, funded by IEEE R10 Central Subsection A in 2018
  • Collaborated with a team of volunteers, educators, and local community members, and orchestrated various aspects of the seminar by delegating tasks and coordinating efforts
  • Facilitated effective communication among team members to ensure a smooth execution
  • Adapted to the unique challenges of organizing an event in a rural village setting, I quickly adjusted plans to accommodate any unforeseen circumstances that arose
  • Organized the seminar with the primary aim of contributing to the educational growth of ordinary-level students in the rural village, providing valuable learning opportunities that might not have been readily available to these students
  • Recognize the strengths of each team member, such as educators' subject expertise and volunteers' dedication
  • Assigned roles and responsibilities according to individual strengths, ensuring optimal utilization of skills
  • Offered assistance and guidance to team members who needed support in their respective tasks
  • Adjusted the event schedule and program as needed to accommodate the availability of participants and resources

Volunteer Experience

Logistics Manager - Dream Venture Startups for Women 2018

  • Managed all logistics at Dream Venture - Startups for Women, organised by IEEE, Women in Engineering (WIE) Sri Lanka Section, held at the University of Peradeniya on the 28th of April 2018, and at the National Agriculture Information Communication Centre, Peradeniya, on the 2nd of June 2018
  • Coordinated with the event planning team to choose a suitable venue for the event, and created a detailed timeline for the event, including setup, registration, sessions, and teardown; managed event staff, including volunteers and logistics team members; tracked expenses related to logistics, staying within the allocated budget; and conducted a post-event assessment to identify strengths, weaknesses, and areas for improvement in logistics
  • Coordinated with the logistics team to ensure a smooth flow of sessions. Provided support to keynote speakers, helping them with setup and ensuring their presentation needs were met
  • Acted as ambassadors for the event, promoting a welcoming and professional atmosphere. Encouraged enthusiasm and engagement among attendees

Volunteered at EEERaPS in 2017

  • Demonstrated our project, 'Rice Plant Leaf Colour Recognition for Fertilisation Purpose,' at EEERaPS, the 4th Electrical and Electronic Engineering Research and Project Symposium, at Waters Edge, Battaramulla

Volunteered at EXOVSIA'17-2017.

  • It was a great experience to share our ideas with schoolchildren at the EXOVSIA'17 exhibition organised by the Young Inventors' Club of Girls' High School, Kandy, and we demonstrated our project, 'Rice Plant Leaf Colour Recognition for Fertilisation Purposes,' at the exhibition

Other Experience

Clubs and Societies   

  • Associate Member of the Institute of Engineers, Sri Lanka (AMIESL)
  • Faculty representative of the Drama Society of the University of Peradeniya (DRAMSOC)
  • Member of the Music Society of the University of Peradeniya, Member of the Electrical and Electronic Engineering Society of the University of Peradeniya

References

  • Dhanushka Senanayake, Assistant Vice President- Network Planning, Dialog Axiata PLC, Colombo, Sri Lanka, Dhanushka.Senanayake@dialog.lk, +94773331190
  • Vajira Samarasinghe, Senior Project Manager, Systems and Asset Planning, Asset Lifecycle, Sydney Water, Level 10, 1 Smith Street, Parramatta, NSW, 2150, Australia, +61 438696295

Timeline

Senior Radio Network Planning Engineer- Regional Manager

Dialog Axiata PLC
09.2023 - Current

Access Network Optimization Engineer

Dialog Axiata PLC
11.2020 - 09.2023

Teaching Assistant

University of Peradeniya
08.2020 - 11.2025

Trainee RF Engineer

Huawei Technologies Lanka Co. (Pvt) Ltd
02.2018 - 06.2018

Trainee Electrical Engineer

Lanka Transformers LTD
10.2016 - 01.2017

MSc. Engineering - Electrical Power Applications, Power and Energy Systems, High Voltage Engineering

University of Peradeniya, Faculty of Engineering

B.Sc. Engineering - Electrical and Electronic Engineering

University of Peradeniya, Faculty of Engineering
Sajan Dissanayake