We are looking for a Senior Application Support Engineer with strong experience providing L3 and BAU support for production web applications.

This is an application support-focused position rather than a traditional software development role. The idóneo candidate is highly skilled in troubleshooting complex production issues, working with SQL Server, analyzing application behavior, performing root cause analysis, and debugging .NET/C# applications when required.

You will collaborate with US-based development, infrastructure, and business teams, so advanced English and availability to overlap with US working hours are required.

What You'll Do

- Provide L3 and BAU production support for web-based applications.

- Own complex incidents and application issues through resolution.

- Troubleshoot application errors, bugs, performance issues, and production incidents.

- Perform root cause analysis (RCA) and implement preventive solutions for recurring issues.

- Work extensively with Microsoft SQL Server to investigate and resolve application and data-related problems.

- Analyze and troubleshoot stored procedures, functions, triggers, views, and queries.

- Debug existing applications built with C#, ASP.NET, .NET Framework and .NET Core.

- Implement or collaborate on bug fixes when necessary.

- Support and troubleshoot SSRS reports and SQL-based reporting processes.

- Monitor application performance and identify optimization opportunities.

- Collaborate with development and infrastructure teams on complex technical incidents.

- Participate in application updates, patches, testing, and deployments.





- Document troubleshooting procedures, solutions, SOPs, and application support processes.

- Communicate incident status and resolutions effectively to technical and business stakeholders.

Requisitos
- 4–8 years of professional IT experience.

- Strong hands-on experience in L3 Application Support / Production Support / BAU Support.

- Proven experience supporting web-based applications in production environments.

- Advanced knowledge of Microsoft SQL Server and SQL querying.

- Hands-on experience troubleshooting and optimizing:
- Stored Procedures

- Functions

- Triggers

- Views

- Complex SQL queries

- Strong experience with SSRS (SQL Server Reporting Services).

- Experience troubleshooting/debugging applications using:

- C#

- ASP.NET

- .NET Framework 4.0+

- .NET / .NET Core

- JavaScript
- jQuery

- Ability to analyze existing application code and perform or support debugging and bug fixes.

- Experience with source control tools such as Git/GitHub.

- Strong troubleshooting, analytical, and root cause analysis skills.

- Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.

- Advanced English (B2+/C1) – ability to communicate effectively with US-based technical and business teams.

- Availability to overlap with US working hours.

Nice to Have
- Experience with Power BI.

- Experience with Sigma Computing.

- Experience supporting applications hosted in Microsoft Azure.

- Knowledge of ITIL frameworks and application support best practices.

- Experience with application monitoring and performance optimization.

📌 Senior Application Support Engineer –/ .NET / SQL (Ixtapaluca)
🏢 Softgic
📍 Ixtapaluca