Senior Geospatial Analyst

Vantor•McLean, VA

About The Position

Vantor is seeking an experienced Geospatial Analyst to support the management, maintenance, analysis, and quality assurance of geospatial data. The role works with diverse geospatial data types and sources using ArcGIS Pro, QGIS, enterprise geodatabases, SQL, and related tools. It supports a global geodatabase currently hosted in Oracle as the environment transitions to PostgreSQL/PostGIS. Work includes creating and updating geometries, maintaining topology and attribution, performing data migrations and transformations, and testing data compatibility, quality control, and quality assurance. The successful candidate will work with complex geospatial datasets, troubleshoot data issues, document results, and collaborate with developers, database administrators, system administrators, and mission stakeholders. The position requires U.S. citizenship and an active U.S. Government security clearance at the TS/SCI level with a required polygraph. Employment in cleared roles is contingent on verification of clearance status. Certain roles may also be subject to U.S. export control laws requiring U.S. person status.

Requirements

Bachelor's degree in Geography, GIS, Geospatial Science, Computer Science, Engineering, or a related technical field, or equivalent experience.
Appropriate security clearance; the position specifically requires active U.S. Government TS/SCI clearance with required polygraph.
At least five years of professional GIS or geospatial data-management experience.
Experience using ArcGIS Pro or another comparable desktop GIS application.
Experience working with multiple geospatial data types, formats, and sources.
Experience maintaining or updating geodatabases.
Experience working with Oracle and/or PostgreSQL databases.
Experience with PostgreSQL/PostGIS or comparable spatial database technology.
Experience creating, editing, transforming, and validating spatial geometries.
Experience creating, maintaining, and validating topology.
Experience managing geospatial attribution, schemas, domains, subtypes, and metadata.
Experience performing data compatibility testing, quality control, and quality assurance.
Strong SQL skills and ability to investigate and resolve data issues.
Experience developing or executing repeatable data-validation or quality-assessment procedures.
Strong analytical, troubleshooting, and problem-solving skills.
Excellent written and verbal communication skills.
Ability to work independently and collaborate effectively within a multidisciplinary team.
U.S. citizenship.

Nice To Haves

Experience supporting an Oracle-to-PostgreSQL/PostGIS migration.
Experience with Python, ArcPy, or other scripting tools for geospatial automation and data validation.
Experience with ArcGIS Enterprise, Portal for ArcGIS, hosted feature services, map services, and web maps.
Experience with ArcGIS Experience Builder, Dashboards, StoryMaps, Survey123, Field Maps, QuickCapture, or Instant Apps.
Experience integrating data from APIs, web services, imagery sources, or other external systems.
Experience working with large or complex geospatial datasets.
Experience with enterprise data modeling and geospatial database design.
Experience supporting Department of Defense or Intelligence Community customers.
ESRI technical certification or comparable professional training.
Active security clearance or ability to obtain and maintain one.

Responsibilities

Create, edit, update, and maintain geospatial data using ArcGIS Pro or QGIS.
Work with vector, raster, imagery, web-service, and externally provided geospatial datasets.
Maintain and update global geospatial datasets within enterprise geodatabases.
Support migration of geospatial data from Oracle to PostgreSQL/PostGIS.
Create, modify, and validate spatial geometries, including points, lines, polygons, and other geometry types.
Maintain spatial topology; identify, resolve, and document topology errors.
Create, update, and validate feature attributes, domains, subtypes, schemas, and related metadata.
Perform data transformations, migrations, conflation, and integration activities.
Develop and execute data tests to evaluate compatibility with target systems, applications, schemas, and databases.
Conduct quality control and quality assurance reviews to identify errors, inconsistencies, missing information, invalid geometries, and attribution issues.
Develop repeatable procedures for data validation, quality assessment, and error tracking.
Perform spatial analysis and produce accurate, well-designed geospatial products.
Troubleshoot data and database issues.
Support publication and maintenance of GIS services, web maps, and geodatabases.
Document data sources, processing steps, validation procedures, identified issues, and corrective actions.
Collaborate with developers, database administrators, project managers, system administrators, and mission stakeholders to resolve data and application issues.
Stay current with ArcGIS, QGIS, PostgreSQL/PostGIS, and geospatial data-management capabilities.