Senior Application Support Engineer L3 / .Net / Sql

Softgic; Ixtapaluca; On-site; MXN 540,000 - 660,000; Full time

Job summary

Softgic is seeking a Senior Application Support Engineer L3 to provide advanced production support for web applications. The role emphasizes troubleshooting, RCA, and collaboration with US teams to resolve complex incidents.

The ideal candidate brings deep SQL Server expertise, .NET/C# debugging skills, and experience with SSRS reporting. Fluent English and availability to overlap with US working hours are required.

Qualifications

• 4–8 years of professional IT experience.
• Strong hands-on experience in L3 Application Support / BAU.
• Proven experience supporting web-based applications in production.
• Advanced knowledge of Microsoft SQL Server and SQL querying.
• Hands-on debugging and optimization of SQL objects (stored procedures, functions, triggers, views, queries).
• Experience with SSRS reporting and .NET stack (C#, ASP.NET, .NET Framework 4.0+, .NET Core).
• Experience with Git/GitHub and overlapping US business hours.

Responsibilities

• Provide L3 and BAU production support for web-based applications.
• Own complex incidents and drive resolutions end-to-end.
• Troubleshoot errors, performance issues, and production incidents.
• Perform root cause analysis and implement preventive solutions.
• Work with SQL Server to investigate data and application problems.
• Analyze and troubleshoot stored procedures, functions, triggers, views, and queries.
• Debug existing applications built with C#, ASP.NET, .NET Framework and .NET Core.
• Support bug fixes and collaborate on deployments and testing.
• Troubleshoot SSRS reports and SQL-based reporting processes.
• Document troubleshooting steps and communicate status to stakeholders.

Skills

L3 Production Support

SQL Server

C#

ASP.NET

.NET Core

JavaScript

jQuery

SSRS

Git/GitHub

Root cause analysis

Production incidents

English communication

Education

Bachelor's degree in Computer Science or related field

Tools

Azure

Job description

S

Senior Application Support Engineer L3 / .NET / SQL

Empresa : Softgic Tipo de empleo : Tiempo completo Ixtapaluca, Mexico

Descripción del trabajo - Senior Application Support Engineer L3 / .NET / SQL

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 ideal 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.