Trevor Williamson

Onsite GIS Vendor for Apple Maps

GIS analyst vendor for Cognizant on Google's Geo Data Upload pipeline.

• Tools used: QGIS, ArcGIS Pro, Google Sheets, ModelBuilder
• Manipulated and performed quality analysis on large geospatial datasets and imported millions of features to the Google Maps product.
• Performed hundreds of hours of QC/QA on peer projects to ensure quality, accuracy, and consistency.
• Held demonstrations for client (Google) to illustrate workflow and highlight project successes.

• GIS Contractor for Apple Maps
• Promoted to Tier 2 technician after six months based on performance
• All work performed under Non-Disclosure Agreement

• Lyft Level 5 Autonomous Vehicle Program
• Responsibilities consisted of precision annotation of aerial and ground level imagery
• Worked with JOSM to improve and refine data in areas of importance.
• Attribute querying for large datasets in QGIS

• Responsible for importing partner and provider data to Maps through Google’s Geo Data Upload pipeline.
• Notable projects include emergency 911 data, international data including election maps, nation and capital city boundaries, major state and national parks, as well as large road projects.
• Familiarity and use of QGIS and Google Earth to examine and manipulate shapefiles and KML files
• Understanding of coordinate reference systems and projections
• Meticulously documenting new workflow steps and projects

• Worked on a small team to research and develop a wildlife corridor through the remaining undeveloped land on Bainbridge Island
• Used ModelBuilder to automate feature-to-raster conversion. Used Gnarly Landscape Utilities toolbox (ArcMap). Ran weighted sum analysis for resistance after assigning values to land surfaces and roads.
• Our model was accepted and approved for use by the Bainbridge Island Land Trust council.
• This work was critical to the ecology of the island, going forward