IT - Software Developer III Software Developer III with Security Clearance

Job Description: Senior GIS Developer / System Administrator No Security Clearance Required US Citizen, Green Card, H1B Required Teleworker / Remote is acceptable Prefer candidate to work Pacific Time No allowance for working remotely from outside of the United States, even temporarily will pay one rate for hours worked We are seeking a Senior GIS Developer / System Administrator to join our enterprise GIS team. This role is ideal for a GIS professional who combines deep development expertise with full system administration skills, and who thrives in building and supporting mission-critical GIS solutions. As part of our team, you'll be responsible for developing and maintaining web-based GIS applications, administering enterprise GIS infrastructure, and working with stakeholders across the organization to deliver innovative mapping solutions that drive real-world impact. What You'll Do • Customize and extend the VertiGIS Studio / Geocortex suite to meet business needs. • Design and develop .NET web applications that integrate with GIS platforms. • Build automation tools and integrations using Python with familiarity with PowerShell. • Administer and support the ESRI ArcGIS platform (Enterprise, Pro). • Manage configurations, upgrades, patches, and SSL certificates for GIS systems. • Troubleshoot and resolve technical issues, ensuring reliable system performance. • Collaborate with internal teams to gather requirements and deliver solutions. What We're Looking For Required: • 5 years of experience in GIS development with strong ESRI expertise. • Proficiency in .NET (C#, ASP.NET, .NET Core) web application development. • Hands-on experience with VertiGIS Studio / Geocortex. • Strong system administration skills, including patching, upgrades, and SSL management. • Experience with databases such as SQL Server or PostgreSQL/PostGIS. • Strong problem-solving and troubleshooting abilities. • Excellent communication and collaboration skills. Preferred: • Experience in government or large enterprise GIS environments. • Knowledge of cloud-based GIS deployments (prefer AWS). • Understanding of ITIL practices and SLA-driven environments. No contract language since this is state and local. For this position, there will be only one bill rate regardless of the number of hours worked in a day and / or work week. The North American Industry Classification System (NAICS) code for this acquisition is 561320. Comments for Suppliers:

Location: home, South Carolina, US

Posted Date: 10/30/2025