Demo

Sr. GIS Programmer

System One
Baltimore, MD Contractor
POSTED ON 9/11/2026
AVAILABLE BEFORE 12/8/2026

Job Title: Sr. GIS Programmer
Location: Towson, MD
Type: Contract
Compensation: Rate Negotiable
Work Model: Hybrid – onsite and remote
Hours: 40.0 hours per week
Security Clearance: Background check required

Responsibilities
• Perform application development and support activities supporting the Office of Information Technology’s GIS Program and the Office of Planning
• Assist in the upgrade and development of an Agricultural Preservation Model, upgrading the current custom ArcMap AddIn (C#/Python) to an ArcGIS Pro AddIn
• Conduct GIS application development in an Enterprise GIS environment
• Perform code review, documentation, planning, and development
• Support database development

Requirements
• Minimum of five (5) years developing and modifying applications using J2EE, .NET, JavaScript, HTML, C#, Python
• Minimum of three (3) years working with ESRI ArcGIS technologies including ArcGIS Server, ArcGIS API’s, ArcGIS JavaScript API, Esri SDK’s, and ArcSDE
• Experience with ArcGIS Model Builder and Python
• Strong knowledge of Structured Query Language (SQL), Triggers, and Stored Procedures
• Experience in development of reports using SSRS, Power BI
• Strong knowledge of relational databases and concepts (Oracle, SQL Server preferred)
• Excellent communication skills

Preferred Qualifications
• Graduation from an accredited college or university with a bachelor’s degree in Business, Computer Science, or a related field and five years’ experience in systems analysis, change management analysis, project management, or related field
• Recent engagement with a government entity

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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