Lead Network Engineer

4 weeks ago

Chennai, India MNR Solutions Full time

Role Overview :We are seeking a highly skilled and experienced Lead Engineer Networks to join our IT Infrastructure team. The ideal candidate will have deep expertise in managing and supporting large-scale, global network infrastructures, data centers, LAN/WAN environments, and modern network security technologies. This role demands strong technical knowledge, leadership capabilities, and the ability to work across geographies and time Responsibilities : - Provide end-to-end support for networking services including production and technical support.- Manage and optimize Data Center and LAN/WAN environments in large corporate setups (30,000+ employees).- Act as Subject Matter Expert (SME) for WAN, LAN, DC, VPN, and Client Connectivity services.- Implement and manage enterprise-class data centers, particularly with Spine-Leaf topology.- Support and manage global WAN infrastructures across 100+ sites using technologies such as MPLS, ATT Anira, ATT AVPN, IP-Sec VPN, and IZO.- Configure, deploy, and troubleshoot Meraki, Arista, Aruba, and Cisco switches along with Aruba Wireless Infrastructure.- Manage Layer 7 Firewalls (Palo Alto, Checkpoint), FortiGate Firewalls, and SSL VPNs (Ivanti/PulseSecure).- Handle Zscaler (ZIA, ZPA) for large-scale deployments.- Work with WAN-Optimizers, Packet Shapers, Load Balancers (F5 LTM/GTM/APM/AFM).- Administer advanced Cisco platforms (Nexus 7k/9k, 6500s, ASR/ISR routers, WAAS, ACS).- Use SolarWinds for network monitoring, troubleshooting, and diagnostics.- Perform packet capture analysis and use network documentation tools such as Visio.- Lead initiatives for new technologies, Proof-of-Concepts, and service development.- Manage IPAM implementation and administration.- Support SD-WAN implementations, especially CATO Networks, with exposure to Versa, Fortinet, Aruba, and VeloCloud as a plus.- Manage cloud networking (AWS & Azure) including VNETs, VPN Gateways, VWAN, ExpressRoute, Direct Connect, and Skills & Qualifications : - 8 -10 years of experience in managing networking services and global infrastructure.- Strong expertise in LAN, WAN, Data Center, and VPN technologies.- Hands-on knowledge of Meraki, Arista, Aruba, Cisco switches, and wireless infrastructure.- Proficiency with network security technologies including Palo Alto, Checkpoint, FortiGate, and Zscaler.- Solid understanding of WAN optimization, load balancing, and traffic shaping.- Experience in SD-WAN (CATO mandatory) with exposure to other vendors preferred.- Cloud networking experience with AWS and Azure is mandatory.- Strong troubleshooting skills and familiarity with packet analysis.- Proficient in documentation using Visio.- Certifications : CCNA/CCNP (minimum one domain) and ITIL certification required.- Excellent communication (oral and written), interpersonal, and presentation skills.- Ability to work independently, take initiative, and collaborate across teams globally.- Self-driven, quick learner, and strong problem-solving skills. (ref:hirist.tech)

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