Network Engineer

Role & responsibilities

1. Network Administration: Configure, manage, monitor, and maintain enterprise network infrastructure, including Cisco routers, switches, firewalls, wireless controllers, and access points.

2. Routing and Switching: Configure and troubleshoot VLANs, STP/RSTP, EtherChannel, HSRP/VRRP, inter-VLAN routing, and routing protocols such as OSPF and BGP.

3. Firewall Management: Administer and troubleshoot Fortinet FortiGate firewalls, including security policies, NAT, VIP/DNAT, IPsec VPN, SSL VPN, and high-availability configurations.

4. Network Access Control: Manage and troubleshoot Cisco ISE for 802.1X authentication, MAB, RADIUS/TACACS+, guest access, device profiling, and network access control policies.

5. Network Automation and Management: Utilize Cisco DNA Center (DNAC) for device onboarding, network discovery, configuration management, software image management, compliance, and network assurance.

6. Wireless Network Management: Configure and maintain Cisco Wireless LAN Controllers (WLCs), access points, SSIDs, WLAN policies, VLAN mapping, authentication, and wireless roaming.

7. Network Monitoring and Troubleshooting: Proactively monitor network availability, performance, and health using enterprise monitoring tools, SNMP, Wireshark, and other diagnostic utilities.

8. Incident Management and RCA: Troubleshoot Layer 2/Layer 3 connectivity issues, packet loss, latency, routing loops, authentication failures, and network outages; perform root cause analysis and implement corrective actions.

9. Network Security and Compliance: Implement network security best practices, firewall rule reviews, device hardening, vulnerability remediation, and compliance with organizational security standards.

10. High Availability and Performance Optimization: Ensure network reliability and redundancy through HA configurations, capacity planning, performance analysis, and proactive identification of potential network issues.

11. Change and Documentation Management: Implement approved network changes in accordance with ITIL processes and maintain accurate network diagrams, configuration records, SOPs, and incident reports.

12. 247 Operational Support and Coordination: Provide L2/L3 network support, participate in shift operations and on-call activities, meet SLA requirements, and coordinate with ISPs, OEMs, vendors, and internal IT teams.

Preferred candidate profile

• Bachelor's degree / Diploma in Computer Science, IT, Electronics, or related field.
• Relevant enterprise networking experience.
• Cisco Routing and Switching, TCP/IP, Subnetting, VLAN, STP, EtherChannel, OSPF, BGP, FortiGate Firewall, Cisco ISE, Cisco DNA Center, Cisco WLC, Wireless LAN, IPsec VPN, Network Security, Wireshark, Network Monitoring, Network Troubleshooting.