• Own the end-to-end architecture of Netcracker BSS/OSS solutions across multiple modules • Define solution architecture, system landscape, and integration patterns • Lead design decisions for Netcracker components including Billing, CRM, Order Management, Product Catalog, and Mediation • Ensure alignment between business requirements, technical design, and Netcracker product capabilities • Design and govern system integrations (APIs, middleware, event-based architectures) • Define and enforce non-functional requirements (performance, scalability, availability, security) • Act as the technical authority for Netcracker across delivery teams • Review and approve solution designs, configurations, and customizations • Partner with enterprise architects, client IT leadership, and Netcracker product teams • Support complex troubleshooting, performance tuning, and production issues • Mentor consultants and technical leads; establish best practices and standards