.NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.We are currently seeking a Network Security Engineer Cisco to join our team in Guadalajara, México (MX-MEX), Mexico (MX).Role Responsibilities:Must have great experience on Routing & Switching & Wireless and Firewalls.Responsible for the Cisco ACI network architecture component(s).Must have Palo Alto Experience.Understand and support Data Centre Networks utilizing Cisco Application Centric Infrastructure and Nexus 9k platforms.Contribute to the development and performance of a migration plan from traditional data centre network designs to Cisco ACI.Integrate service appliances to Cisco ACI deployments to include Application Delivery Controllers and Firewalls.Good understanding of Inter and Intra Tenant traffic flows, contracts.Experience in L2 outs, L3 outs, VMM integration.Must be expert of routing, switching, wireless, LAN and WAN, i.E. L2 (Wireless IEEE 802.11 a, Ethernet, IEEE 802.1x std. STP, MSTP, RSTP, Dynamic VLAN, HSRP/VRRP.) / L3 (Routing protocols such as EIGRP, OSPF, BGP.), NEXUS, SD-WAN.Ensuring all configurations are in compliance with network standards, reviewing log files, SD-WAN, LAN, WAN, NMS.Participate in the setup, deployment, maintenance, troubleshooting and documentation of enterprise-level, mission-critical, network infrastructure components.Looking to have strong knowledge of SDWAN (Hands-on) and Wireless.Teaming with project managers, cross-functional technology and business teams to ensure successful projects.Owning and documenting escalated support tickets and service requests through resolution via ServiceNow.Adaptive, communication, presentation and leadership skills.Full understanding of WAN/LAN internetworking, protocol interoperability, network architecture development and requirements for testing / proof of concept.Knowledge of Wireless, Nexus, SD-WAN.Working knowledge of Networking products from Cisco, Dell & Extreme Networks.Skills and knowledge and adherence to ITIL & Change Management processes.Excellent communication skills, both written and oral.Strong customer service skills; interfaces with customers, end users, partners and associates.Additionally, the candidate must work well within a team, adapt easily to change, and possess the flexibility to travel. Candidate should have a history of working unsupervised while achieving required goals.Rotating on-call, support queue management, performing network system analysis and reporting.Basic Required Qualifications:10+ years of experience on managing LAN & WAN Infrastructures.10+ years' experience on Routing & Switching, Riverbed & Wireless.10+ years of experience on Palo Alto.5+ years on experience on Cisco ACI