Geographic Information System Software Developer

Early-career Geographic Information System (GIS) Software Developer role building and maintaining Python-based geospatial data workflows and tools in a hybrid environment.

Responsibilities

• Develop, document, and maintain Python scripts, packages, and tools for geospatial data ingestion, transformation, validation, analysis, and publishing.
• Automate repeatable GIS workflows using Python and relevant geospatial libraries.
• Contribute to GIS applications, web services, data products, and visualizations under guidance from senior technical staff.
• Perform spatial analysis and quality assurance for vector, raster, and tabular geospatial data.
• Support integration of GIS data and services with databases, web applications, and enterprise systems.
• Use version control and established software-development practices to support maintainable, reproducible solutions.
• Perform QA/QC of geospatial data, Python code, automated workflows, and GIS products; identify, document, and resolve discrepancies.
• Contribute to validation checks, test cases, and clear QA/QC documentation to support accurate, reproducible data products.
• Communicate technical approaches, progress, results, and recommendations through documentation, presentations, and discussions with the project team.
• Perform other duties as assigned.

Requirements

• Ability to obtain and maintain a U.S. DOE Q-level security clearance, which requires U.S. citizenship.
• Bachelor’s degree in GIS, computer science, engineering, environmental science, or a related discipline (or equivalent combination of education and relevant experience).
• Fundamental knowledge developing and testing software in Python, writing clear, maintainable, and well-documented code.
• Familiarity using Python for geospatial data processing, analysis, or automation, such as ArcPy, GeoPandas, GDAL/OGR, Rasterio, Shapely, xarray, or comparable libraries.
• Familiarity with spatial data formats such as Shapefile, GeoJSON, and Geodatabases.
• Fundamental knowledge of GIS concepts, including coordinate reference systems and projections, plus spatial analysis.
• Familiarity with ArcGIS Pro, ArcGIS Enterprise, or ArcGIS Online.
• Familiarity with SQL and spatial databases such as PostGIS.
• Familiarity with Git or another version-control system.
• Attention to detail and ability to perform thorough QA/QC of data, code, analyses, and technical deliverables.
• Ability to identify data-quality issues, investigate root causes, and communicate findings and corrective actions clearly.
• Communication skills to collaborate effectively in a team environment and present and explain technical information.

Preferred / Desired Qualifications

• Experience building REST APIs, web GIS applications, or data pipelines.
• Familiarity with CI/CD, containers, secure software-deployment practices, packaging Python software, Conda, or similar tooling.

Technology Stack

• Python, ArcPy, GeoPandas, GDAL/OGR, Rasterio, Shapely, xarray
• ArcGIS Pro, ArcGIS Enterprise, ArcGIS Online
• SQL, PostGIS
• Git
• Shapefile, GeoJSON, Geodatabases
• REST APIs, web GIS applications
• CI/CD, containers, Conda

Benefits

• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (depending on project needs)
• Included in 2026 Best Places to Work by Glassdoor

Job Information

• Location: Livermore, CA (Hybrid)
• Salary: USD 121,830 - 154,500 per year
• Appointment: Career Indefinite or At Will
• Posting tag: #LI-Hybrid

Security and Pre-Employment Requirements

• Department of Energy (DOE) Q-level clearance required; a Federal background investigation will be initiated if selected.
• All L or Q cleared employees are subject to random drug testing.
• External applicants must pass a post-offer, pre-employment drug test, including testing for marijuana under Federal law as a Federal Contractor.

Limited Area / Wireless and Medical Device Notes

• Depending on job duties, work may occur in a Limited Area where personal and/or laboratory mobile devices are not permitted (examples listed include cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices).
• Hearing aids without wireless capabilities (or wireless disabled) are allowed in Limited Areas, Secure Space, and Transit/Buffer Space within buildings.
• Separate approval may be required for Sensitive Compartmented Information Facilities.

Additional Information

• Equal Employment Opportunity: committed to a work environment free of discrimination and harassment.
• Reasonable Accommodation: submit a request via the online form during application or recruiting.
• California Privacy Notice: CCPA privacy rights apply to California residents.
• Scam prevention: LLNL warns that it never extends an offer without a personal interview and never charges a fee for joining; current openings are listed on the Career Page under “Find Your Job”.