Thisal Jayathilaka | GIS Career Hub | GIS Career Hub

Thisal Jayathilaka

Geospatial Researcher | GIS Specialist | Surveying Sciences Graduate

Geospatial Researcher

Colombo, Sri Lanka

About

First-class graduate in BSc (Hons) in Surveying Sciences with specialization in Geographic Information Systems (GIS) from Sabaragamuwa University of Sri Lanka. Experienced GIS Technician with a strong background in geospatial data management, QA/QC, and spatial analysis for oil & gas and marine applications. Currently engaged in research and professional development in spatial data science, remote sensing, and environmental modeling.

Experience

GIS Technician

IFS R&D International (Pvt) Ltd · full time

Sep 2025 – Aug 2026 · 11 mos · Colombo, Sri Lanka

Managing and validating geospatial datasets for upstream oil and gas assets. Performing quality assurance and quality control (QA/QC) on well locations, directional surveys, and associated spatial data. Analyzing well documentation and resolving spatial inconsistencies using GIS-based workflows. Utilizing ArcGIS, Google Earth Pro, SQL, and Power BI to support spatial data management and reporting. Contributing to workflow optimization, process automation, and cross-functional collaboration to improve geospatial data quality.

Trainee Surveyor / GIS Analyst

Hydrographic Office - National Aquatic Resources Research and Development Agency (NARA) · internship

Apr 2025 – Jul 2025 · 3 mos · Colombo 15, Sri Lanka

GIS development for the Environmental Sensitivity Index (ESI) database. Marine spatial analysis. Satellite image processing. Metadata development using GeoNetwork. Coastal GIS applications.

Skills & Endorsements

ArcGIS ProArcMapArcGIS OnlineQGISGoogle Earth EngineERDAS ImagineCartographySpatial StatisticsGeoprocessingTopological EditingCoordinate Reference SystemsRaster AnalysisVector AnalysisPythonRSQLJavaScriptLand SurveyingHydrographic SurveyingGNSS SurveyingEngineering SurveyingLevelling

Education

BSc (Hons) in Surveying Sciences in GIS

Sabaragamuwa University of Sri Lanka · Surveying Sciences, GIS, Remote Sensing

Jan 2020 – Jan 2025

Diploma in Information Technology

University of Colombo School of Computing · Information Technology

Aug 2021 – Apr 2022

Publications

Assessing the influence of sample size and spatial sampling strategies on GeoAI-based digital elevation model error correction: A case study of the Sabaragamuwa University area, Sri Lanka.

Journal of Multidisciplinary and Translational Research (JMTR), Special Issue I, 2026. · 2026-10-03

DOI: https://doi.org/10.4038/jmtr.v11i4.346

View

Can GIS and Remote Sensing Techniques Reveal the Impact of Open Landfills on Air Quality?: A Case Study of Colombo, Sri Lanka

ECRISA 2026. Proceedings in Technology Transfer. Springer, Singapore · 2026-07-02

DOI: https://doi.org/10.1007/978-981-92-0423-6_6

View

GIS Software Proficiency

ArcGIS Proexpert · desktop gis

ArcMapexpert · desktop gis

QGISadvanced · desktop gis

ERDAS Imagineintermediate · remote sensing

Google Earth Engineadvanced · remote sensing

ArcGIS Onlineadvanced · server gis

Honors & Awards

Best Presenter Award

International Conference on Emerging Concepts and Research in Integrated Sustainable Adaptation (ECRISA 2026) · 2026-01-01

Awarded for presentation in the Geospatial Analytics, Remote Sensing and Environmental Intelligence Session.

Volunteering

Young Professionals Representative

IEEE GRSS Sri Lanka Chapter

Jan 2026 – Dec 2027

Documentation Manager

SEDS Sabra · Science and Technology

Apr 2023 – May 2024

Courses

Empowering Spatial Thinking with GIS: From Fundamentals to Practical GIS Workflows

Sri Lanka Association for the Advancement of Science (SLAAS) · 2026-01-01

Organizations

International Society for Photogrammetry and Remote Sensing (ISPRS)

· Individual Member

Feb 2026

IEEE Geoscience and Remote Sensing Society (GRSS)

Young Professional Representative · Graduate Student Member

Jan 2026

Languages

Englishfull professional

Sinhalanative

Thisal Jayathilakahasn't published any blog posts yet.

Links

Email LinkedIn