Aljon Garchitorena

GIS Specialist and Licensed Geologist

Talent

National Capital RegionMember since September 21, 2026

ArcGIS ProQGISMapInfoGoogle Earth EngineGPS/GNSS Data CollectionCartography and Map ProductionSpatial Database ManagementPostGISSQLGIS Asset MappingGeospatial Data MaintenanceData Validation and Quality ControlAutoCAD 2021Technical DocumentationInfrastructure MappingUtility Asset MappingArcGIS OnlinePower BITableauTechnical Report WritingData Visualization

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ArcGIS ProQGISMapInfoGoogle Earth EngineGPS/GNSS Data Collection

About

GIS Specialist and Licensed Geologist with over 10 years of experience in GIS mapping, geospatial database management, spatial analysis, asset mapping, and infrastructure-related projects. Experienced in maintaining GIS databases, processing spatial and non-spatial datasets, producing technical maps, and supporting engineering and utility development projects. Proficient in ArcGIS Pro, QGIS, PostGIS, SQL, and AutoCAD fundamentals.

Strong background in technical documentation, data management, quality control, and project support within water utility, environmental, and infrastructure sectors.

Experience

Business Developer – Development Studies / GIS Operator - Tubig Pilipinas Group, Inc., (TPGI) - Makati City

(2024-07)

Maintains and updates company GIS asset databases and geospatial records.
Generates GIS maps and spatial datasets to support water infrastructure planning and development.
Conducts technical and feasibility studies for potential water supply projects.
Prepares technical maps, geospatial analyses, and presentations for stakeholders and management.

Hydrogeologist / GIS Operator - Tubig Pilipinas Group, Inc., (TPGI) - Makati City

(2022-02 - 2024-06)

Processed spatial datasets and generated GIS maps for water utility and infrastructure projects.
Maintained company GIS asset databases and geospatial records.
Supported technical studies through data collection, analysis, mapping, and reporting.

Geologist - JP Environment Consultancy Services - Batangas City

(2021-05 - 2022-01)

Conducted environmental consulting and technical assessments.
Prepared technical documentation and project reports.

Geologist I - Hydrogeology and Environmental Geology Section, Mines and Geosciences Bureau Region V - Legazpi City

(2016-02 - 2020-11)

Utilized GIS software for spatial data processing, interpretation, and map generation.
Maintained geospatial datasets and prepared thematic maps for government projects.
Conducted GIS workshops and technical training for LGUs.