Network Engineer 1

Role & responsibilities

1. Nokia Router 7750 & 7250

• Installation, configuration, maintenance, and troubleshooting of Nokia 7750 SR and 7250 IXR/routers.
• Perform day-to-day monitoring of router health, interfaces, CPU, memory, alarms, and traffic utilization.
• Configure and troubleshoot:
• IP addressing and VLANs
• Static and dynamic routing
• BGP, OSPF, IS-IS
• MPLS and L3VPN
• LAG/LACP
• QoS and traffic policies
• Access Control Lists and service policies
• Troubleshoot link flaps, interface errors, routing issues, packet loss, latency, and service-impacting faults.
• Perform configuration backup, restoration, software upgrades, and hardware replacement activities.
• Coordinate with Nokia TAC/vendor teams for critical hardware and software issues.
• Maintain network topology, configuration records, and operational documentation.

2. Nokia EMS

• Monitor and manage network elements through Nokia EMS.
• Monitor network alarms, events, faults, and performance parameters.
• Perform fault identification, isolation, and escalation through EMS.
• Support device provisioning, configuration management, and performance monitoring.
• Maintain EMS-related operational records and reports.
• Coordinate with the vendor for EMS application, database, or connectivity-related issues.

3. TACACS / AAA

• Maintain and monitor the TACACS+ authentication and authorization infrastructure.
• Manage administrator authentication and authorization for network devices.

4. Network Monitoring & Troubleshooting

• Monitor the SuperCore network on a 247 basis, as required.
• Handle fault tickets and perform first-level/second-level troubleshooting.
• Analyze network alarms, logs, counters, and performance statistics.
• Identify the root cause of network incidents and implement corrective actions.
• Escalate complex issues to Nokia TAC/vendor teams and follow up until resolution.
• Maintain incident, problem, and change management records.

5. Mandatory Skills:

• Strong knowledge of Nokia Service Router Architecture.
• Hands-on experience with Nokia 7750 SR and 7250 platforms.
• Knowledge of Nokia SR OS.
• Good understanding of:

BGP, OSPF, IS-IS, MPLS, L2/L3 VPN, VLAN, LAG/LACP. QoS, IP routing and switching

• Knowledge of Nokia EMS/NMS.
• Understanding of SDN architecture and controllers.
• Working knowledge of TACACS+/AAA.
• Experience with network traffic generators and network performance testing.
• Good troubleshooting and incident-management skills.
• Knowledge of network security and access-control practices.
• Ability to analyze logs, alarms, counters, and packet-level issues.