Walk-in || Tcs hiring Network Admin SDWAN Cisco Meraki Cisco Routing NOIDA

Job description

**Company:** Tata Consultancy Services (TCS) **Role:** Network Administrator **Experience:** 58 Years **Location:** Noida, Uttar Pradesh **Employment Type:** Full Time Job Summary TCS is looking for a skilled **Network Administrator** with strong expertise in Cisco networking technologies, including Cisco SD-WAN (Viptela), Cisco DNA Center (DNAC), Cisco Wireless LAN Controllers (WLC), Cisco ISE, and Routing & Switching. The ideal candidate will be responsible for designing, implementing, monitoring, optimizing, and supporting enterprise network infrastructure while ensuring high availability, security, and performance. Key Responsibilities Network Design & Implementation - Design, deploy, and implement Cisco SD-WAN solutions across enterprise environments. - Develop High-Level Design (HLD) and Low-Level Design (LLD) documents for network deployments. - Design and implement Cisco DNAC-based network automation and assurance solutions. - Deploy and manage Cisco Campus Switches, Access Points, Wireless LAN Controllers (WLC), and Cisco ISE solutions. - Integrate Cisco DNAC with existing network infrastructure and enterprise systems. Network Operations & Support - Perform installation, configuration, maintenance, and troubleshooting of network hardware and software. - Monitor network performance and ensure optimal network availability and reliability. - Troubleshoot complex issues related to: - Cisco Viptela SD-WAN - Cisco DNAC - Cisco Routing & Switching - Wireless Infrastructure - Network Security Policy & Security Management - Develop, implement, and maintain network policies and traffic management controls. - Ensure compliance with network security standards and best practices. - Configure and manage protocols including: - QoS (Quality of Service) - Policy-Based Routing (PBR) - Power over Ethernet (PoE) - DHCP - NTP - SSH - HTTPS - AAA - IPSec Network Performance & Optimization - Measure, benchmark, and optimize network performance using approved monitoring and performance management tools. - Analyze network trends and recommend improvements for enhanced reliability and user experience. - Provide operational feedback and best-practice recommendations for continuous service improvement. Documentation & Compliance - Maintain accurate network inventory records. - Create and update: - Standard Operating Procedures (SOPs) - Network Diagrams - Configuration Documents - Operational Runbooks - Support audit, governance, and compliance activities. Collaboration & Leadership - Work closely with platform, infrastructure, security, and operations teams. - Provide technical guidance and mentorship to L1 and L2 support engineers. - Lead network implementation, migration, and transformation projects. - Participate in major incident management and root cause analysis activities. Required Skills & Experience - 58 years of experience in Network Administration and Enterprise Network Support. - Hands-on experience with: - Cisco SD-WAN (Viptela) - Cisco DNA Center (DNAC) - Cisco Wireless LAN Controllers (WLC) - Cisco Identity Services Engine (ISE) - Cisco Routing & Switching Technologies - Strong understanding of LAN, WAN, Wireless, and Network Security concepts. - Expertise in network control protocols such as QoS, PBR, PoE, DHCP, and NTP. - Strong knowledge of security technologies including AAA, SSH, HTTPS, and IPSec. - Experience in designing and implementing automated and software-defined networking solutions. - Strong troubleshooting and analytical skills. - Excellent communication and stakeholder management abilities. Preferred Qualifications - Cisco Certified Network Associate (CCNA) - Cisco Certified Network Professional (CCNP) - Cisco SD-WAN Certification - Cisco DNA Center-related Certifications - Other relevant Cisco Networking Certifications Keywords Network Administrator, Cisco SD-WAN, Viptela, Cisco DNAC, Cisco DNA Center, Cisco ISE, Cisco WLC, Routing and Switching, Enterprise Networking, Network Operations, CCNA, CCNP, Wireless Networking, LAN, WAN, Network Security, Infrastructure Support, **Preferred:** Immediate Joiners or Candidates with Short Notice Period.