• Customer delivery engagements and/or provides support for large scale solutions and complex issues through deep technical expertise.• Drives customer technology transitions, influencing solutions and services• Builds customer simulations to resolve/validate complex problems and compatibility issuesRole Specific Responsibilities:· Contribute effectively to the areas of Customer Problem Resolution.· Interact effectively with other Engineering to solve complex problems, identifies serviceability issues and drives resolution of the issues with Engineering and other organizations.· Provides technical expertise and guidance to resolve complex customer problems· Owner and keeper of our culture· Continuously learning and strengthening technical skills for relevant technical domain and adjacent technologies.· Based on project requirements, consults and works with customers and Cisco stakeholders to plan, design, install, configure, integrate and/or optimize Cisco's suite of products and services to accelerate business outcomes· Supports pre-sale activities and translating business requirements into solution design.· Monitoring and Troubleshooting: Observe and troubleshoot network systems to maintain smooth operations.Required Skills and Experience:· Strong knowledge of enterprise technology and on hand experience (ASR, Catalyst, and switching)· Strong knowledge of IP routing protocols (OSPF, BGP, and IGRP) and their operation over VPN tunnels .· Hands-on experience with IPsec ,VPN, and configuration and troubleshooting.· understanding of DMVPN architecture, including multipoint GRE (mGRE), NHRP, and dynamic spoke-to-spoke tunnels.· Experience with HSRP, VRRP.· Familiarity with Cisco router platforms, Tunneling and VPN technologies.· Ability to analyze and resolve complex network issues.· Knowledge of encryption standards and secure hash algorithms (e.g., AES, SHA-2).Scope:· Interfaces internally and externally with customers, leadership, other Engineers, Partners, field personnel, CAP Managers, and internal engineering departments and product organizations.Expertise:· Typically requires BS in a technical field (CS/EE preferred) or equivalent plus 4+ years' experience, IP routing and Switching (CCNP, CCIE preferred)