GIS Developer

Contract: NATO; Geo & Space Services Section

(Contingent upon NATO acceptance of Candidate)

Work Location: NATO Headquarters in Brussels, Belgium

Reporting Hours: Central European Business Hours

Work Location: Onsite Monday through Friday at NATO Headquarters in Brussels, Belgium

Clearance: DoD Secret Clearance or NATO Secret Clearance

Travel: No anticipated travel at this time

Geocgi is seeking an experienced GIS Developer to support the NATO International Staff (IS) Operations Division, Situation Centre (SITCEN), Geo & Space Services Section at NATO Headquarters in Brussels, Belgium. This role will support the development, modernization, and maintenance of web-based GIS applications used to provide geospatial information in support of NATO senior decision-makers, intelligence analysts, task forces, exercises, and other mission-critical activities.

Working closely with the GIS Project Manager, the GIS Developer will design, develop, and deploy secure web GIS applications; integrate spatial data and services; develop geospatial processing and automation workflows; and support the performance and maintainability of NATO GIS applications. The ideal candidate brings strong web development experience using modern JavaScript frameworks, hands-on experience with the ArcGIS Maps SDK for JavaScript or similar web mapping technologies, and proficiency with Python-based geospatial processing and automation. This position must be performed 100% onsite at NATO Headquarters in Brussels, Belgium.

Key Responsibilities:

• Design, develop, configure, and maintain web-based GIS applications using the ArcGIS Maps SDK for JavaScript and modern web development frameworks.
• Implement and enhance web mapping functionality, including layer management, popups, custom widgets, and client-side spatial operations.
• Integrate classified and unclassified spatial data and services into secure web-based GIS applications.
• Integrate spatial data services through REST APIs and develop geospatial data models, layers, and map services.
• Develop Python-based geoprocessing, automation, data conversion, preprocessing, and ETL workflows.
• Build and maintain backend services and processing pipelines that expose geospatial functionality to web applications and enterprise systems.
• Configure and manage map services, feature layers, and tiled datasets to support reliable and performant web delivery.
• Perform performance tuning of backend queries, spatial services, and map rendering.
• Maintain compliance with application security, usability, and accessibility requirements.
• Develop and maintain technical documentation for application code, service endpoints, workflows, and system architecture.
• Provide technical knowledge transfer and application support to NATO personnel.
• Collaborate with the GIS Project Manager and Geo & Space Services Section staff to troubleshoot issues, implement requirements, and support ongoing GIS initiatives.
• Support additional GIS development projects and technical activities as directed by the Head of the Geo & Space Services Section.

As a candidate supporting NATO:

• Health and Social Insurance: Coverage through mandatory contributions to the national social security system, including health insurance, pension, unemployment, and family allowance benefits.
• Paid Leave Entitlements: Statutory annual leave, sick leave, and other types of leave as provided under applicable labor laws.

The following are requirements of the GIS Developer:

• U.S. Citizen and Active U.S. Passport.
• Active DoD Secret Clearance or Active NATO Secret Clearance
• Bachelor’s degree in Computer Science, Geography, Information Technology, or a related technical discipline.
• 5+ years of experience in web development using modern JavaScript and HTML technologies and frameworks such as React, Vue.js, or Angular.
• Practical experience developing web mapping applications using the ArcGIS Maps SDK for JavaScript or a comparable web mapping library or SDK.
• Experience implementing web mapping functionality including layers, popups, custom widgets, and client-side spatial operations.
• Proficiency with Python for geoprocessing, automation, ETL, and spatial analysis using technologies such as ArcPy, GeoPandas, Shapely, Rasterio, GDAL/OGR, or comparable libraries.
• Experience integrating geospatial data and services through REST APIs.
• Ability to develop and maintain backend services or processing pipelines that expose geospatial functionality.
• Experience configuring and managing map services, feature layers, and tiled geospatial data.
• Familiarity with Git or comparable version-control technologies.
• Familiarity with Agile development and project management methodologies.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent written and verbal communication skills with the ability to work both independently and collaboratively within a technical team.
• Advanced English language proficiency.
• Beginner French language proficiency.

Ability to sign and comply with required Non-Disclosure Agreements. The following are preferred of the GIS Developer:

• Experience developing GIS applications within ArcGIS Enterprise environments.
• Experience supporting secure, classified, or mission-critical geospatial systems.
• Experience optimizing web GIS applications, spatial queries, and map services for performance.
• Experience supporting NATO, international organizations, defense organizations, or other government customers.
• Experience developing technical documentation and providing knowledge transfer to GIS users and technical personnel.

The annual base salary range for this position is anticipated to be $93,000-$103,000 USD. The listed salary range represents our good faith estimate for this position. Please note that the salary information is a general guideline only. Geocgi considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s education & work experience, training & certifications, and key skills as well as market and business considerations at the time of the offer.