GIS Application Developer (ArcGIS / TS/SCI Eligible Environment)

Fathom ManagementWashington, DC
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 is not a basic GIS role-you will be working 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 Intelligence Community
  • 5+ years hands-on experience with: ESRI / ArcGIS platforms
  • ArcGIS Enterprise Portal (Admin + Development)
  • Python (expert-level for automation and scripting)
  • ArcIS 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, ArcGIS Enterprise SDK
  • Build user-focused tools for: Data visualization, Spatial analysis, Operational workflows
  • Use Python to: Automate Portal workflows, Streamline data processing, Enhance system performance
  • Design and implement integrations using: REST APIs, Enterprise data sources
  • Ensure seamless communication across systems
  • Manage and optimize ArcGIS Enterprise Portal
  • Maintain performance, scalability, and security
  • Diagnose and resolve complex technical issues
  • Develop custom solutions and enhancements
  • Continuously improve system capabilities

Benefits

  • Paid vacation, sick leave, and holidays
  • Medical, dental, and vision health insurance
  • Life insurance coverage
  • Short- and long-term disability insurance
  • 401(k) retirement plan with company match and immediate vesting
  • Military leave
  • Training and professional development opportunities
  • Tuition reimbursement
  • Employee wellness program
  • Commuter benefits
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