Production Support / Application Support Engineer .NET

Experience

5 to 9 Years

Location

Hyderabad (Hybrid / Onsite)

Job Summary

We are looking for an experienced Production Support / Application Support professional with strong hands-on experience in .NET applications, SQL Server, and ITIL-based support processes. The role involves providing L2/L3 production support, incident and problem management, root cause analysis, and ensuring high availability and performance of business-critical applications.

Key Responsibilities

Production Support & Operations

- Provide L2/L3 production support for enterprise .NET-based applications.
- Monitor production systems to ensure high availability, performance, and reliability.
- Handle incident, problem, change, and service request management aligned with ITIL processes.
- Participate in 24x7 support rotations and on-call support as required.
- Perform root cause analysis (RCA) and implement permanent fixes.
- Coordinate with development, QA, infrastructure, and business teams during major incidents.

Application & Technical Support

- Troubleshoot application issues related to .NET, C#, ASP.NET, Web APIs, IIS, and supporting services.
- Analyze SQL Server queries, stored procedures, indexes, and execution plans for performance issues.
- Perform data fixes, data validation,



and ad-hoc SQL analysis in production environments with proper approvals.
- Support application deployments, hotfixes, and patches.
- Review logs, application metrics, and monitoring alerts to proactively identify issues.

ITIL & Process Adherence

- Follow ITIL practices for Incident, Problem, Change, and Release Management.
- Prepare incident reports, RCA documents, and post-incident reviews.
- Ensure compliance with SLA, SLO, and KPI targets.
- Maintain operational documentation and knowledge base articles.

Stakeholder Communication

- Communicate clearly with business users, vendors, and internal teams.
- Provide timely status updates during incidents and outages.
- Mentor junior engineers (for senior roles).

Technical Skills

Mandatory Skills

- Production / Application Support experience in enterprise environments
- .NET / C# / ASP.NET application support
- SQL Server robust SQL querying, performance tuning, debugging
- ITIL framework (ITIL certification preferred)
- Windows Server & IIS support
- Incident & problem management tools (ServiceNow, Remedy, JIRA, etc.)

Good to Have

- Knowledge of Microservices and Web APIs
- Experience with Azure / AWS hosted applications
- Basic scripting (PowerShell, batch scripts)
- CI/CD pipeline awareness
- Monitoring tools (AppDynamics, Dynatrace, Splunk, ELK, etc.)

📌 Production Support -.NET @ Infosys (Hyderabad)
🏢 Infosys
📍 Hyderabad