Network Specialist

4 weeks ago

Noida, India RV Solutions Pvt. Ltd. Full time

We are seeking a hands-on, senior-level L3 Network Engineer with 10-12 years of deep technical expertise in core network routing, MPLS, and network transformation projects. This role requires expert protocol-level understanding, live network migration experience, and multi-vendor platform integration, including Huawei-to-Cisco router swaps and new installation. You will be responsible for designing, configuring, validating, and optimizing network elements across core, aggregation, and edge layers, ensuring seamless traffic migration, high availability, and security compliance. This role demands end-to-end ownership of routing design, switch/router/firewall configuration, protocol optimization, and MOP-driven change execution.Key Responsibilities:Advanced knowledge of routing protocols (BGP, OSPF), switching technologies (STP, VLANs, VXLAN, EVPN), and WAN protocols (MPLS, LDP, IPSEC).Hands on experience in Installation and configuration of Routers, Switches & FirewallHands-on experience with Cisco, Huawei, Juniper, Fortinet, Palo Alto, Check Point, or equivalent devices. Deploy and configure Cisco NX-OS Layer 2/3 switches in telecom aggregation and core network sites and Rolling back procedure to previous original versionsHaving experience in installing Cisco IOS, IOS-XE, IOS-XR, NX-OSConfigure, troubleshoot, and optimize core routing protocols (BGP, OSPF, EIGRP, IS-IS) and switching technologies (STP, VLANs, LACP, VPC, VRRP).Configure Vlan, Routing, NAT, ACL & Failover in Routers / Switches.Upgrading the IOS/Firmware/Patches as per Security team request and Vendor advisoryStrong carrier grade network design, migration and implementation experience of MPLS and MPLS based VPN solutionsExpertise in firewalls, VPN technologies, and network security concepts.Hands on experience in implementing ACI, Spine and Leaf Data centre design architectureHave Knowledge to configure VPN, VRF, RD, RT, MPLS L3 VPNHaving Knowledge to configure Access List, SNMP, TACACS, NTP, AAA, IPv4, IPv6Draft and own comprehensive Method of Procedure (MOP) documents for every network change, including detailed rollback steps and validation benchmarks.Perform critical pre/post-checks: ping, traceroute, ARP resolution, BGP peer checks, RIB/FIB verificationExecute software upgrades, NIP-based configuration automation, and base OS deployments on routers/switches.Push and validate device licenses from centralized license servers; manage registration and compliance status.Collaborate with NOC, operations, and security teams for incident resolution, change execution, and post-deployment validation.Maintain accurate and updated network topology diagrams, device inventories, and change records.Implement and manage various WAN technologies like MPLS, VPNs, and SD-WAN.Understanding of overlay and Underlay network used in Data CentreKnowledge of virtualization technologies Hypervisor – ESXi, Hyper-VBasic Knowledge of security Domain: IPSec, VPN, SSL, DDoSPerforming User Acceptance Testing UATBasic Understanding of ITIL: Incident Management, Change Management, RCAExperience with large-scale core/aggregation rollouts in telecom or ISP environmentsFamiliarity with SDN (Segment Routing, PCEP) or network orchestration toolsCCIE or CCNP or certifications.

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