Senior C#/.NET Application Support Engineer – L2/L3

Job Requirements C#/.NET application troubleshooting L2/L3 Specialist Experience : 4–6 Years

Role Type : Full-Time

Job Overview We are seeking an L2/L3 Support Specialist to manage enterprise payment workstation gateways and IIS/Windows server infrastructure across multiple US datacenters. You will handle complex incident restoration, change execution, and patching while cross-training as a secondary backup for API Gateway services.

Key Responsibilities

• Platform Operations: Maintain 99.9%+ uptime for IIS web applications, Windows Server environments, MS SQL Server databases, and F5 BIG-IP load balancers.
• Incident & Change Execution: Lead L2/L3 root-cause analysis, perform application restarts, and execute monthly host/OS patching cycles.
• Cross-Skilling Duty: Complete cross-training to serve as secondary backup coverage for enterprise API Gateway services.

Required Skills & Qualifications

• Technical Stack: , C#/.NET application troubleshooting , MS SQL Server (T-SQL) and good to have Windows Server 2016/2019, IIS, L), F5 BIG-IP LTM/GTM and gateway protocols.
• Experience: 5+ years supporting mission-critical enterprise infrastructure on Windows/IIS platforms.
• Shift Requirement: Primary IST hours for scheduled maintenance + rotational 24/7 on-call for Americas P1/P2 incidents.

Work Experience 5-7Years