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Network L3 Support_p_3rd Nov

Network L3 Support_p_3rd Nov

TalentOnLeaseVellore, Republic Of India, IN
21 hours ago
Job 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 :

  • 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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    Network • Vellore, Republic Of India, IN