Application Support Analyst (.NET & C#) - Remote - US hours

SYSGEN RPO; Philippines; On-site; PHP 900,000 - 1,200,000; Full time

Job summary

SYSGEN RPO in the Philippines seeks an experienced production support engineer to maintain and troubleshoot critical .NET and SQL Server applications. The role involves incident resolution, data validation, and collaboration with cross-functional teams.

You will monitor, diagnose, and resolve production issues, write small utilities for automation, and ensure changes follow standard ITIL processes. EST overlap is required.

Qualifications

• Minimum 6+ years of professional experience in technical development roles.
• Strong experience in C# / .NET / .NET Core.
• Good working knowledge of React.
• Good hands-on experience with SQL Server.
• Experience in production support, incident handling, and root cause analysis.
• Ability to write complex SQL queries and analyze data issues.

Responsibilities

• Provide day-to-day production support for business-critical applications built on the .NET platform and SQL Server.
• Monitor application health, investigate production issues, and resolve within defined SLAs.
• Analyze incidents, troubleshoot failures, identify root causes, and implement corrective actions.
• Support debugging of .NET applications, APIs, web apps, and background jobs.
• Develop small .NET utilities for data fixes and automation as needed.
• Coordinate with development, QA, infrastructure, and business teams for incident resolution.

Skills

C# / .NET

React

SQL Server

Production support

Incident handling

Root cause analysis

Console utilities

Tools

.NET Framework

Job description

• Provide day-to-day production support for business-critical applications built on the .NET platform and SQL Server.


• Monitor application health, investigate production issues, and ensure timely resolution within defined SLA timelines.


• Analyze incidents, troubleshoot application failures, identify root causes, and implement corrective and preventive actions.


• Support debugging of .NET applications, including APIs, web applications, background jobs, and scheduled services.


• Write and execute SQL queries, stored procedures, and data validation scripts to investigate issues, correct data, and support business operations.


• Perform detailed analysis of production defects, data discrepancies, performance issues, and system behavior across application and database layers.


• Develop small utility/console applications in .NET to support data fixes, bulk processing, automation, and operational tasks when needed.


• Work closely with development, QA, infrastructure, and business teams to triage incidents and coordinate issue resolution.


• Review application logs, exception traces, SQL errors, and monitoring alerts to identify problem patterns and resolution steps.


• Document issue analysis, root cause findings, workaround steps, and permanent fixes for knowledge sharing and future reference.


• Participate in problem management by identifying recurring issues and recommending long-term improvements.


• Assist in performance analysis of applications and SQL queries to improve stability and efficiency.


• Maintain strong communication with stakeholders by providing timely updates on incidents, impact, resolution progress, and closure details.


• Ensure production support activities follow change management, incident management, and release management processes.


• Create and maintain support documentation, runbooks, SOPs, and troubleshooting guides.


• Support data-related activities such as data correction, validation, reconciliation, and report verification in SQL Server.


• Contribute to continuous improvement by identifying opportunities for automation, monitoring enhancement, and support process optimization.


• Be available for critical issue support, release support, and on-call or after-hours support when required.


• Tracking, and performance metrics to identify the source of issues.


• Analyze and troubleshoot React-based UI issues, including API integration problems, page behavior issues, console errors, and frontend data-binding problems.

Required / Expected Skills

• Minimum 6+ years of professional experience in technical development roles


• Strong experience in C# / .NET / .NET Core


• Good working knowledge of React


• Good hands-on experience with SQL Server


• Experience in production support, incident handling, and root cause analysis


• Ability to write complex SQL queries, troubleshoot stored procedures, and analyze data issues


• Experience creating console applications / utilities for support and automation tasks


• Familiarity with logs, debugging, batch jobs, APIs, and troubleshooting across application and database layers


• Good analytical, problem-solving, and communication skills


• Candidate should be willing to provide production support during US business hours, primarily 8:00 AM to 4:00 PM EST.


• Should be flexible to work during critical production incidents, priority releases, and high-severity issue situations outside regular hours when required.


• Ability to coordinate with US-based business, application, and infrastructure teams during EST time zone support window is required.