Senior Application Support Engineer (.NET Technologies)

Tekskills Inc.; Hyderabad; Hybrid; INR 1,200,000 - 2,400,000; Full time

Job summary

Tekskills Inc. is hiring an experienced Application Support Engineer to join our AMS team in a hybrid work setup in India. The role focuses on incident resolution, RCA, and continuous service improvement for enterprise applications.

The candidate should have 8+ years of hands-on experience with C#, .NET, Web Services, SQL Server, and VBA, and be capable of handling multiple priorities in a production environment with defined SLAs. Rotational shifts may be required.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
• 8+ years of experience in Application Support, Development, or AMS environments.
• Proven experience supporting enterprise applications in production environments.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management abilities.
• Ability to work under pressure and manage critical incidents.
• Strong ownership mindset with a customer-centric approach.
• Willingness to work in rotational shifts and on-call support models.

Responsibilities

• Provide L2/L3/L4 support for business-critical applications in accordance with SLAs.
• Monitor application performance and promptly resolve incidents, service requests, and production issues.
• Analyze and troubleshoot complex problems across applications, databases, and integrations.
• Coordinate with business users, development teams, infrastructure teams, and vendors for resolution.
• Perform root cause analysis and implement preventive measures.
• Manage deployments, patching, configuration changes, and release support.

Skills

C#/.NET

ASP.NET/MVC/Web APIs

SQL Server

SQL Queries

Stored Procedures

Performance Tuning

Troubleshooting Production Incidents

VBA Development/Support

Application Integration

Incident/Change Management

Education

Bachelor's degree in CS/IT/Engineering

Tools

Azure

IIS Administration

Git/Azure DevOps

ServiceNow

Jira

Job description

Work Mode: (Hybrid)

Experience: 8+ Years

About the Role

• We are seeking highly motivated and technically proficient Application Support Engineers to join our AMS (Application Management Services) team.
• The ideal candidate will have strong experience in C#, .NET technologies, Web Services, SQL Databases, and VBA development/support.
• The role requires working in a dynamic production support environment with defined SLAs, ensuring application stability, incident resolution, root cause analysis, and continuous service improvement.
• The successful candidate should be adaptable, customer-focused, and capable of performing under pressure while managing multiple priorities in a business-critical environment.

Key Responsibilities

• Application Support & Maintenance
• Provide L2/L3/L4 support for business-critical applications in accordance with agreed SLAs.
• Monitor application performance and promptly resolve incidents, service requests, and production issues.
• Analyze and troubleshoot complex technical problems across applications, databases, and integrations.
• Coordinate with business users, development teams, infrastructure teams, and vendors for issue resolution.
• Perform root cause analysis (RCA) and implement preventive measures to minimize recurring incidents.
• Manage application deployments, patching, configuration changes, and release support activities.

Technical Development & Enhancements

• Develop and maintain applications using C# and .NET technologies.
• Create and consume Web Services (REST/SOAP APIs) and troubleshoot integration-related issues.
• Design, optimize, and maintain SQL Server databases, queries, stored procedures, and scripts.
• Maintain and support VBA-based solutions and automations used by business teams.
• Implement minor enhancements, bug fixes, and process improvements to improve application performance and user experience.

SLA & Operational Excellence

• Ensure adherence to Incident, Problem, and Change Management processes.
• Meet defined SLA and KPI targets for incident response and resolution.
• Participate in on-call support, planned maintenance, and production releases as required.
• Create and maintain technical documentation, knowledge articles, and operational procedures.
• Proactively identify opportunities to improve system stability, automation, and operational efficiency.

Required Technical Skills

Mandatory Skills

• Strong hands-on experience with C# and .NET Framework / .NET Core
• Experience with ASP.NET, MVC, Web APIs, and Web Services (REST/SOAP)
• Strong knowledge of Microsoft SQL Server
• SQL Queries
• Stored Procedures
• Performance Tuning
• Database Troubleshooting
• Experience with VBA development and support
• Understanding of application integration architectures
• Experience in troubleshooting production incidents and application issues

Preferred Skills

• Experience with Azure or cloud platforms
• Knowledge of IIS administration and application hosting
• Familiarity with DevOps tools, CI/CD pipelines, and version control systems (Git, Azure DevOps)
• Understanding of ITIL processes and AMS delivery models
• Experience with monitoring and ticketing tools such as ServiceNow, Jira, etc.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
• 8+ years of experience in Application Support, Development, or AMS environments.
• Proven experience supporting enterprise applications in production environments.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management abilities.
• Ability to work effectively under pressure and manage critical incidents.
• Strong ownership mindset with a customer-centric approach.
• Ability to prioritize workload in a fast-paced operational environment.
• Self-driven, proactive, and adaptable team player.
• Willingness to work in rotational shifts and on-call support models if required.