Geographic Information Systems Analyst - Water Resources
San Antonio Water System
IT
San Antonio, TX, USA
Posted on Dec 5, 2025
Job Description
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JOB SUMMARY
The GIS Analyst is responsible for complex spatial analysis and development of enterprise data layers. This includes developing GIS tools for editing, mapping, and analyzing data using ArcGIS applications.
ESSENTIAL FUNCTIONS
All Specialties:
•Designs, implements, and maintains a variety of digital maps, reports, and data.
•Performs spatial analyses of geographic data using ESRI programs.
•Designs, creates, and maintains GIS tools written in VBA, XML, Python, Data Interoperability or other similar programs.
•Designs, develops and implements feature datasets for use by GIS and agency users; creates and presents technical and program information to a variety of audiences.
•Develops and implements QA/QC procedures for data; researches a variety of digital information.
•Develops and maintains documentation of GIS tools and data.
•Provides training and support to GIS software, tools web mapping applications.
•Performs work on special projects in GIS in support of other business needs.
•Collaborates with Information Services staff and stakeholders on changes associated with system implementations, conversions, and upgrades and aligns planning initiatives with community needs and sustainability goals.
•Performs other duties as assigned.
Water Resources Specialty
•Develops and evaluates strategies for identification of leaking water infrastructure using spatial data insights.
•May design, develop and maintain GIS enterprise for water resources and leak detection.
•Analyzes, evaluates, and interprets geographic, demographic, and financial program/project data using modeling and forecasting techniques to compose technical and narrative reports on findings.
•Processes and interprets satellite imagery and remote sensing data to assess urban growth, environmental impact, and infrastructure performance.
•Generates geospatial models and visualizations to support planning proposals and operational objectives supporting water resources goals.
•Monitors changes in land cover, vegetation, and at depth soil moisture using time-series satellite data.
DECISION MAKING
•Receives limited supervision.
MINIMUM REQUIREMENTS
All Specialties
•Bachelors’ degree in geography, GIS, Management Information Systems, or a related field from an institution accredited by a recognized accrediting agency.
•Three years’ progressively responsible experience in conducting GIS analyses and modeling and developing and implementing GIS mapping products and business processes.
PREFERRED REQUIREMENTS
Information Systems
•GISP or PMP Certification.
•Knowledge of programming languages.
•Experience using Enterprise Geodatabase functionality.
Water Resources
•Experience with open-source satellite datasets (e.g., Landsat, Sentinel).
•Proficient in applying machine learning techniques to geospatial analysis, including pattern recognition and feature detection in satellite imagery.
•Familiarity with cloud computing and data warehousing tools (e.g., AWS S3).
•Experience with other geospatial data types, such as LiDAR.
JOB DIMENSIONS
•Knowledge of relational databases and spatial statistics.
•Knowledge of statistical and spatial analysis, data interoperability, geo-processing, 3D visualization and multi-editor practices, basic cartography methodologies and GPS equipment and operations.
•Knowledge of geographical and planning principles to use GIS tools.
•Ability to interpret state and local government laws and regulations relating to water/sewer.
•Ability to utilize data management software (spreadsheets and databases), geographic information systems software, and digital mapping techniques.
•Ability to plan and coordinate project activities.
•Ability to utilize presentation software and internet tools.
•Ability to establish and maintain effective working relationships with internal and external customers, contractors, and governmental agencies.
•Ability to communicate effectively, both verbally and in writing.
PHYSICAL DEMANDS AND WORKING CONDITIONSPhysical requirements include lifting up to 25 pounds occasionally. Subject to walking, sitting, bending, and stooping to perform job scope. Working conditions are primarily indoors with limited exposure to outdoor adverse weather and traffic conditions and other safety/health hazards.