Sr. Geographic Information System Programmer

TPGSI

Location

Towson, MD

Job type

Contract

Employer type

Private company

Posted

Sep 14, 2026

Apply on the employer's site

About the job

About the Role We are seeking a Sr. Geographic Information System Programmer (GIS) / Systems Analyst to perform application development and support activities supporting the Office of Information Technology’s GIS Program and the Office of Planning. In this role, you will assist in the upgrade and development of an Agricultural Preservation Model, upgrading the current custom ArcMap Add-In (C# / Python) to an ArcGIS Pro Add-In. Location: Towson, MD Work Schedule: Hybrid (3 days in Towson, MD) Employment Type: 6-month contract What You’ll Do Key Responsibilities: • Perform GIS application development within an Enterprise GIS environment. • Conduct code reviews, technical documentation, planning, and software development. • Design, develop, and maintain enterprise databases. What We’re Looking For Required Skills and Qualifications • Minimum of five (5) years of experience developing and modifying applications using J2EE, .NET, JavaScript, HTML, C#, and Python. • Minimum of three (3) years of experience working with Esri ArcGIS technologies, including ArcGIS Server, ArcGIS APIs, the ArcGIS JavaScript API, Esri SDKs, and ArcSDE. • Experience with ArcGIS ModelBuilder and Python. • Strong knowledge of Structured Query Language (SQL), triggers, and stored procedures; development of reports using SSRS and Power BI. • Strong knowledge of relational databases and concepts (Oracle and SQL Server preferred). • Excellent communication skills.

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