GIS Software Developer (TS/SCI) — Geospatial Applications

About the Role

Responsibilities

• Enhance and upgrade Government geospatial software tools, models, and features — including infrastructure mapping and internet analysis platforms — following the DHS Systems Development Life Cycle (SDLC) and Section 508 accessibility compliance guidelines
• Prepare and present decision briefings to the Government for approval prior to initiating any development, from minor changes to large-scale enhancements; design and develop as prioritized and directed by the Government
• Deliver complete documentation, annotated source code, references, libraries, and third-party dependencies for all applications
• Migrate application development and testing entities to designated Government cloud/enterprise environments as directed
• Maintain the development repository as the primary storage for all tool development; enforce synchronization between the repository and precompiled source for production builds using industry best practices for version control
• Communicate all repository updates to the Government through documented change lists
• Produce and deliver a Tool Installation and User Guide with each tool developed or updated
• Conduct training on new and updated tools upon delivery and semi-annually thereafter, in lecture/demonstration format for larger audiences and desk-side for small groups, including preparation of training guides
• Apply information system security engineering principles per NIST SP 800-27 throughout specification, design, development, implementation, and modification
• Create and implement security assessment plans; perform unit, integration, system, and regression testing commensurate with modification complexity; produce documented evidence of security test execution; and operate a verifiable flaw remediation process
• Support integration of application code, data dependencies, and frameworks during Government-directed environment migrations and any transition activities

Required Qualifications

• Active, final Top Secret/SCI clearance granted by the U.S. Government; U.S. citizenship
• Bachelor's degree with three (3) years of specialized experience, Master's degree with one (1) year, or seven (7) years of equivalent specialized experience
• Demonstrated experience developing applications including user interfaces, workflows, and APIs
• Experience developing on or integrating with the ESRI ArcGIS platform (e.g., ArcGIS API for JavaScript, ArcGIS API for Python, ArcGIS Enterprise services)
• Proficiency with disciplined version control (Git or equivalent) in controlled or air-gapped environments, including repository synchronization and documented change management
• Experience developing under a formal federal SDLC with decision-gate briefings and Government-approved requirements
• Working knowledge of federal security policy environments such as DHS 4300A/4300B and NIST SP 800-53, and secure coding / security testing practices
• Section 508 accessibility compliance experience
• Strong technical documentation skills, including installation guides, user guides, and annotated source code
• Availability for occasional after-hours support during national emergency surge events

Preferred Qualifications

• Python and JavaScript proficiency; experience with geoprocessing services and web GIS application patterns
• Experience developing in classified enclaves or secure facilities
• Database-backed geospatial application experience (enterprise geodatabases, spatial SQL)
• Experience with automated testing frameworks and CI practices in restricted environments
• Prior DHS, DoD, or intelligence community software delivery