Senior Network Engineer

2 days ago

chennai, India Radware Full time

Senior Network EngineerLocation: Chennai Department: Service Delivery Experience Level: 5+ Years Position Description:Radware is a global leader in cybersecurity protection solutions for networks and applications. As part of our continued growth in cloud services, we are looking for a dedicated and passionate Senior Network Engineer to join our customer services group. You will be part of the team supporting mission-critical infrastructure, assisting senior engineers in resolving technical network issues, and growing your expertise in network and security technologies. Key Responsibilities: • Support senior network engineers in incident response and troubleshooting efforts. • Assist in monitoring network performance and reacting to alerts and system events. • Help investigate and resolve customer-reported technical issues related to the network. • Collaborate with cross-functional teams including NOC, onboarding, and engineering. • Document resolutions and maintain updated network documentation. • Participate in on-call support rotation (as needed and trained).Requirements: Implement and manage dynamic routing protocols including BGP, OSPF and EIGRP.Manage Layer 2 and Layer 3 switching features such as VLANs, Spanning Tree Protocol (STP), EtherChannel, VRRP / HSRP, Link Aggregation, and Multi-Protocol Label Switching (MPLS).Perform network capacity planning, performance tuning, and regular health checks.Configure and troubleshoot GRE tunnels for secure connectivity across sites.Troubleshoot complex Layer 2–3 network issues using Command Line Interface (CLI) and various monitoring tools.Configure and manage Load Balancers for traffic distribution and application availability.Implement Layer 4–7 load balancing, health checks, SSL offloading, and basic content switching policies.Monitor and troubleshoot load-balanced services to ensure high availability and performance.Configure and manage Fortinet FortiGate Firewalls for perimeter and internal security.Implement comprehensive firewall policies, NAT rules, VPN (IPSec), and high availability (HA) configurations.Monitor firewall logs and alerts, investigate security events, and support incident response.Collaborate effectively with application and network teams to support deployments and resolve critical issues.Preferred certifications such as CCNA, CCNP, JNCIA, JNCIS, or NSE4+.Follow ITIL-based change management processes for configuration updates, deployments, and upgrades.Evaluate and implement network or security changes while minimizing business impact.Perform root cause analysis (RCA) and document incidents with recommended preventive actions.Collaborate with cross-functional teams to coordinate changes, escalations, and incident resolutions.

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