Sr. GIS Programmer

Vion Consultants Inc; Towson (MD); Hybrid; USD 90,000 - 110,000; Part time

Job summary

Vion Consultants Inc. in Towson, MD is seeking a Senior GIS Programmer/Systems Analyst for a 6-month contract. The role focuses on application development and support for the GIS program, including upgrading a custom ArcMap AddIn to an ArcGIS Pro AddIn.

Responsibilities include GIS development in an enterprise GIS environment, code reviews, documentation, and planning. Requires ArcGIS Model Builder, Python, and strong SQL/DB skills with SSRS and Power BI experience.

Qualifications

• Bachelor’s degree in Business, Computer Science, or a related field with 5 years’ experience in systems analysis or closely related field.
• Recent engagement with a government entity is preferred.

Responsibilities

• GIS application development in an Enterprise GIS environment.
• Code review, documentation, planning and development.

Skills

ArcGIS Model Builder

Python

SQL

SSRS

Power BI

Education

Bachelor’s degree, Business/CS/related field

Tools

ArcGIS Pro

Oracle/SQL Server

Job description

Towson, United States | Posted on 09/03/2026

Work Schedule: Hybrid (remote work2 days per week)

Duration: 6 Months

We are seeking a qualified Senior GIS Programmer/Systems Analyst to perform application development and support activities supporting the Office of Information Technology’s GIS Program and the Office of Planning.

The programmer will assist in the upgrade and development of an Agricultural Preservation Model, upgrading the current custom ArcMap AddIn (C#/Python ) to an ArcGIS Pro AddIn.

Duties

• GIS application development in an Enterprise GIS environment
  
• Code review, documentation, planning and development
  

Requirements

• Experience with ArcGIS Model Builder and Python
  
• Strong Knowledge of Structured Query Language (SQL), Triggers, and Stored Procedures.
  
• Development of reports using SSRS, Power BI
  
• Strong knowledge of relational databases and concepts (Oracle, SQL Server preferred)
  

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, program analysis, or a closely related field.
  
• Recent engagement with a government entity