This is a remote position. Position Summary We are seeking a skilled Application Support Engineer (L3 Support) with strong expertise in .NET, .NET Core, SQL Server, JavaScript, jQuery, HTML, and CSS. The candidate will be responsible for providing advanced technical support, troubleshooting complex application issues, and ensuring the stability and performance of business-critical applications. This role requires working in the US Eastern Standard Time (EST) time zone and collaborating closely with business users and stakeholders. Key Responsibilities Provide Level 3 (L3) technical support for business applications. Analyze, troubleshoot, and resolve complex production incidents and application issues. Perform root cause analysis and implement permanent fixes to prevent recurring issues. Monitor application health, performance, and availability. Investigate and resolve database-related issues using Microsoft SQL Server. Review application logs, debug code, and identify defects in .NET-...