Network l3 support_p_3rd nov

4 days ago

Nagpur, India TalentOnLease Full time

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 Solar Winds . 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, Ether Channel) 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, Solar Winds, PRTG Other: DNS, DHCP, SNMP, NTP, Qo S, Network Segmentation, HA/Redundancy Concepts Qualifications: Bachelor’s degree in Computer Science, Information Technology, or related field. 7–10 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.

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