L3 Network Support Engineer - Cisco Meraki

Description :

Key Responsibilities :

L3 Network Support & Troubleshooting :

- Provide advanced (Level 3) support for escalated incidents related to Cisco Firewalls, Meraki Switches, and Aruba Wireless networks.

- Perform deep-dive troubleshooting for routing, switching, wireless, and security-related issues.

- Analyze root causes and implement permanent fixes for recurring problems.

Configuration & Maintenance :

- Configure, manage, and maintain Cisco ASA / Firepower / FTD firewalls including VPNs, ACLs, and NAT policies.

- Manage Meraki MS series switches - VLANs, trunking, L3 routing, link aggregation, and port security.

- Deploy and support Aruba Wireless infrastructure including controllers, access points, and wireless SSIDs.

Monitoring & Performance Optimization :

- Monitor network health using tools like Meraki Dashboard, Aruba Central, and SolarWinds.

- Identify and resolve performance bottlenecks and connectivity issues.

- Optimize configurations to improve reliability, redundancy, and security.

Security & Compliance :

- Manage network security configurations and policies.

- Conduct periodic audits and ensure compliance with organizational security standards.

Collaboration & Documentation :

- Collaborate with L2 teams for escalations and provide mentoring or training as needed.

- Maintain updated documentation on configurations, network diagrams, and standard operating procedures.

Technical Skills Required :

- Firewalls : Cisco ASA / Firepower / FTD (Policy Management, VPN, NAT, Access Control)

- Switching : Cisco Meraki MS Series (L2/L3 switching, VLANs, Spanning Tree, EtherChannel)

- Wireless : Aruba Access Points & Controllers (SSID management, radio tuning, roaming, authentication)

- Routing Protocols : OSPF, BGP, EIGRP

- VPN Technologies : IPsec, SSL VPN, Remote Access VPNs

- Monitoring Tools : Cisco Meraki Dashboard, Aruba Central, SolarWinds, PRTG

- Other : DNS, DHCP, SNMP, NTP, QoS, Network Segmentation, HA/Redundancy Concepts

Qualifications :

- Bachelors degree in Computer Science, Information Technology, or related field.

- 710 years of hands-on experience in enterprise network support (L3 level).

Certifications Preferred :

- Cisco Certified Network Professional (CCNP Security / CCNP Enterprise)

- Meraki Certified (CMNA/CMNO)

- Aruba Certified Mobility Professional (ACMP) or equivalent

- Strong problem-solving and analytical skills.

- Excellent communication and documentation skills