Perfecto Portillano

Analyze spatial database information for mapping and land acquisition projects Collect and validate property documentation and field data from landowners Create and develop custom maps using QGIS, KML/KMZ, and SW Maps

GIS Specialist - Contryside Investments Holding Corporation - Makati City

(2025-12 - 2026-06)

• Analyze spatial database information for mapping and land acquisition projects
• Collect and validate property documentation and field data from landowners
• Create and develop custom maps using QGIS, KML/KMZ, and SW Maps
• Produce general maps, pricing maps, and base maps for project areas in Zambales
• Maintain and update GIS databases to ensure accuracy and accessibility of spatial data

Data Analyst - Wipro Philippines

(2022-07 - 2025-08)

Worked on different work flow under GeoData Operations

• Transit Alert: for Twitter and Google maps
• Geo wave: post pins of electric posts and installations/connections with attributes
• Trucks and Trailer Restriction: Creation for Google maps
• Auto Speed limit system Roads: Creating road possibilities for roadmapping

Geospatial Spatial Technician - Geospectrum Analysis Services - Mapping Department

(2019-07 - 2022-07)

• Create maps and graphs, using GIS software (arcmap) data collection equipment
• Perform research to obtain and expand existing datasets
• Compile geographic and demographic data from many sources
• Error Marking dataset
• Enter new map data using cartographic principles
• Tracing features like building, trees, water, field, road, clouds, trails and bridge

GIS Specialist - Integrated GeoSys Development Inc. - Mapping Department

1 month project

• Input all features of Image (water, vegetation, bldg., etc.)

Geographic Information System Specialist - Certeza Infosys Corporation - Mapping Department

(2017-01 - 2018)

• Create maps and graphs, using GIS software (arcmap, geomedia and autocad) data collection equipment
• Gather and report on GIS data and determine how data sets are best utilized through GIS
• Perform research to obtain and expand existing data assets
• Compile geographic and demographic data from many sources
• Enter new map data using cartographic principles
• Build, manipulate, and update databases
• Tracing lines like roads and streams, and polygons like building or lake outlines

Bachelor of Science - Information Technology - Informatics Caloocan (2013 - 2017)