Sabrena Nasol

GIS Specialist - SoilOptix

(2023-08 - 2026-05)

Processed and validated soil survey and gamma-ray datasets; integrated lab, field and boundary data.
Generated GIS-ready shapefiles, GeoPackages and raster outputs; performed nutrient analysis and QA/QC supporting precision agriculture projects.
Key Achievement: Contributed to the successful delivery of multiple precision agriculture projects through the management and processing of complex geospatial and soil datasets.

Annotator - Xfinite

(2023-07 - 2023-07)

Annotated and labeled images, satellite imagery, and geospatial datasets for AI and machine learning applications.
Reviewed and validated annotations to ensure accuracy and consistency, following project guidelines and quality standards.
Identified and corrected annotation errors during quality assurance.
Key Achievement: Contributed to the development of accurate AI models by producing high-quality annotated datasets while consistently meeting quality and productivity targets.

GIS Specialist - Firmographs

(2021-11 - 2023-07)

Managed spatial databases, converted large Excel datasets to GIS formats, and performed geoprocessing and GPS integration.
Produced business mapping and client-ready spatial reporting.
Key Achievement: Successfully transformed thousands of tabular business records into structured GIS datasets, enabling improved spatial analysis and decision-making.

GIS Engineer - DigiFarm

(2019-09 - 2022-12)

Created and reviewed training datasets across 30+ regions; interpreted Sentinel-2 imagery and EVI composites.
Supported AI and machine-learning mapping workflows through high-quality geospatial training data.
Key Achievement: Played a critical role in the development of AI-driven agricultural mapping solutions through the creation of high-quality geospatial training datasets.

Junior Research Associate - UP NOAH Program

(2019-03 - 2021-08)

Produced hazard, land-use, road network and thematic maps; conducted spatial analysis for municipalities.
Supported CLUP, CDP, LCCAP and DRRM planning; generated COVID-19 mapping products.
Key Achievement: Contributed to national hazard assessment and local government planning initiatives through the production of critical geospatial datasets and decision-support maps.

GIS Specialist - HLURB

(2018-01 - 2019-01)

Digitized and standardized land-use and zoning maps; conducted QA and consolidation.
Supported drone-assisted surveying operations.
Key Achievement: Helped improve the accessibility and standardization of land-use and zoning information across multiple local government jurisdictions.

About