Team Leader - Tech. Support

Job-ID32875412Reference26-13520Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.LocationUSA (Onsite — Wilmington, DE / Buffalo, NY/Nearshore flex)Experience LevelSenior (8–12 years)EngagementM&T Bank — Institutional Services AMS PilotRole SummaryWe are seeking a Senior L2/L3 Full Stack .NET Support Engineer to join a dedicated Application Management Services (AMS) team supporting mission-critical enterprise applications for a leading financial services client. This role owns deep technical troubleshooting, root cause analysis, and stability improvements across a .NET/Angular/SQL Server application estate, operating at the highest tier of production support.Key ResponsibilitiesLead L3 and L2-level incident resolution for complex, high-priority production issues, ensuring timely restoration of service and adherence to SLAs.Perform deep root cause analysis (RCA) on recurring or critical defects and drive permanent fixes rather than workarounds.Support, troubleshoot, and optimize enterprise applications built on C#, ASP.NET Core, .NET Framework, and Angular/React.Design, support, and troubleshoot REST APIs and microservices, including integration and batch-processing failures.Own SQL Server performance tuning, query optimization, and data-level troubleshooting for production issues.Support deployment automation and CI/CD pipelines; participate in release and change management within an Azure DevOps environment.Work hands-on with Microsoft Azure cloud services for application hosting, monitoring, and operational support.Support distributed, high-availability systems and diagnose issues across service boundaries and integration points.Mentor L2 support engineers, contribute to knowledge base and runbook development, and drive operational maturity.Partner directly with business and technical stakeholders to communicate incident status, RCA findings, and improvement recommendations.Participate in on-call rotation and CAB (Change Advisory Board) processes as required.Required Skills8 years of hands-on experience in .NET application development and/or production support.Strong expertise in C#, ASP.NET Core, .NET Framework.Front-end experience with Angular and/or React.Solid understanding of microservices architecture and REST API design/support.Advanced SQL Server skills — performance tuning, execution plan analysis, query optimization.Hands-on experience with Microsoft Azure (App Services, Azure Monitor/Application Insights, Azure DevOps).Experience supporting batch processes, scheduled jobs, and system integrations.Strong incident management and RCA discipline, ideally within an ITIL-aligned environment.Experience with tools such as ServiceNow, Jira, Splunk, or equivalent monitoring/ticketing platforms.Good to HaveExperience in Banking / Financial Services production support environments.Exposure to Appian or low-code platforms.Familiarity with DevOps automation, branching strategies (e.g., BODM/trunk-based models), and release engineering.Prior experience mentoring or leading L2/L3 support pods.Soft Skills / AttributesCalm, methodical operator under production-incident pressure.Strong stakeholder communication — able to translate technical RCA into business-readable updates.Ownership mindset with a bias toward permanent fixes over temporary patches.Comfortable operating in a regulated, compliance-conscious banking environment.Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.