Senior Network Engineer

Senior Network Engineer

Location: 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.