SCI Eligible Environment)

Fathom Management LLC

22h•Onsite

About The Position

We are seeking a highly skilled GIS Application Developer to design and build advanced geospatial solutions supporting federal intelligence operations. This role is at the intersection of Geospatial intelligence (GEOINT), custom application development, and Enterprise GIS architecture. Your work will directly support real-world mission outcomes, enabling faster, smarter, and more accurate decision-making.

Requirements

U.S. Citizen (Required)
Active TS clearance with SCI eligibility
In-scope SSBI / T5 investigation
Enrolled in DoD Continuous Evaluation (CE/CV)
Meets DoD Cyber Workforce Framework (DCWF) requirements
5-7 years supporting GIS applications within Federal Government or Intelligence Community
5+ years hands-on experience with ESRI / ArcGIS platforms
ArcGIS Enterprise Portal (Admin + Development)
Python (expert-level for automation and scripting)
ArcGIS API for JavaScript
REST API integration
Web development: HTML, CSS, JavaScript
Version control (Git)
Custom tool and widget development
ArcGIS Enterprise SDK experience
Troubleshooting complex GIS and Portal issues
Bachelor's degree (or equivalent experience)

Nice To Haves

Experience in GEOINT or intelligence environments
Ability to work independently in secure, mission-driven settings
Strong problem-solving and innovation mindset
Passion for geospatial technology and real-world impact

Responsibilities

Designing and developing custom GIS applications within ArcGIS Enterprise
Building advanced web-based geospatial tools and dashboards
Automating workflows using Python and ArcGIS scripting
Integrating GIS platforms with enterprise systems via REST APIs
Developing custom widgets, tools, and extensions
Supporting ArcGIS Enterprise Portal administration and optimization
Troubleshooting complex geospatial and system integration issues
Collaborating with analysts, engineers, and mission stakeholders
Develop custom applications using ArcGIS API for JavaScript and ArcGIS Enterprise SDK
Build user-focused tools for data visualization, spatial analysis, and operational workflows
Use Python to automate Portal workflows, streamline data processing, and enhance system performance
Design and implement integrations using REST APIs and enterprise data sources
Manage and optimize ArcGIS Enterprise Portal, maintaining performance, scalability, and security
Diagnose and resolve complex technical issues
Develop custom solutions and enhancements
Continuously improve system capabilities