Demo

Senior GIS Programmer

AssurIT
Crownsville, MD Full Time
POSTED ON 1/2/2026
AVAILABLE BEFORE 2/25/2026

Assurit is currently seeking an experienced Senior GIS Programmer to support one of our clients.


About the Role:


We are seeking a skilled Senior GIS Programmer to support enterprise GIS application development, system maintenance, and platform enhancements. This role focuses on developing and supporting ArcGIS Server applications, performing GIS application upgrades, and maintaining GIS web services used across enterprise systems.

The ideal candidate will bring strong hands-on experience with ESRI technologies, GIS web application development, and systems integration, while working closely with technical and business stakeholders to ensure reliable, scalable GIS solutions.

Location: Hybrid – Crownsville, MD

Key Responsibilities:

  • Develop, enhance, and maintain GIS applications and supporting services.
  • Design, build, and support ArcGIS Server web applications.
  • Perform GIS application maintenance and version upgrades.
  • Support configuration and integration efforts involving CityWorks and GIS web services.
  • Repair, refactor, and upgrade existing GIS facilities and utility toolsets.
  • Maintain and enhance applications written in C# using Visual Studio and ArcObjects SDK.
  • Support ArcGIS Web AppBuilder solutions and custom GIS workflows.
  • Analyze, troubleshoot, and resolve application and production issues.
  • Collaborate with GIS users, developers, and system administrators to deliver stable GIS solutions.
  • Produce technical documentation supporting application design, maintenance, and upgrades.

Minimum Qualifications:

  • 5 years of experience developing and modifying applications using technologies such as:
  • J2EE, .NET, JavaScript, HTML, C#, Python
  • Hands-on experience with ESRI ArcGIS technologies, including: ArcGIS Server, ArcGIS APIs, ArcGIS JavaScript API, ArcGIS Web AppBuilder, Collector, ArcSDE, ArcGIS Mobile
  • Experience using ArcGIS Model Builder and Python for automation and workflows.
  • Strong knowledge of SQL, including triggers and stored procedures.
  • Experience analyzing program and production issues.
  • Experience developing reports using SSRS.
  • Strong understanding of relational database concepts (Oracle or SQL Server preferred).
  • Excellent verbal and written communication skills.

Preferred Qualifications:

  • Bachelor's degree in Business, Computer Science, or a related field.
  • Additional experience in systems analysis, change management, project management, or program analysis.
  • Prior experience supporting government or public-sector organizations.

Working at Assurit


Assurit is an award winning, certified small business headquartered in Fairfax, VA. We offer a highly competitive compensation and benefits package inclusive of medical and dental coverage, as well as paid time off.

Founded in 2013, Assurit has become a trusted provider of cybersecurity expertise to customers across federal, state and local governments, as well as the commercial sector. We are an employee-centric organization that focuses on the growth and development of our greatest asset – our people. We believe that if our Team is trained and educated, we will always be able to deliver our promise of customer success. If you enjoy work environments focused on continuous learning and growth, Assurit will be a great fit for you.

Whether you saw a specific job opening of ours or are simply interested in learning more about building your career at Assurit, feel free submit your resume. Based on your request, the appropriate individual within our organization will get back to you within 2 business days.

Assurit is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

Salary.com Estimation for Senior GIS Programmer in Crownsville, MD
$114,843 to $144,343
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