L3 Network Engineer

Key Responsibilities :

• Install, configure and maintain network and security equipment and services.

• Troubleshoot LAN, WAN, firewall and VPN connectivity issues.

• Document network problems, troubleshooting activities and resolutions.

• Proactively monitor network availability, performance and security.

• Log, track and own network and connectivity-related issues through resolution.

• Provide design and implementation support for new network projects.

• Create technical specifications and support RFP requirements.

• Independently engage customers for network connectivity setup and related activities.

• Coordinate with customers, service providers and vendor support engineers.

• Work with vendor TAC teams for troubleshooting and root-cause analysis.

• Maintain network device connectivity across data-center and bank-side environments.

Must-Have Technical Skills :

• Strong understanding of OSI model, Ethernet, NAT, IP addressing and TCP/IP.

• Practical experience in TCP/IP network implementation and administration.

• Hands-on experience with advanced IPS/IDS/UTM technologies.

• Minimum 3 years of Data Center networking experience.

• BGP is mandatory, along with OSPF, HSRP and VRRP.

• Hands-on experience with at least one of Juniper, Cisco, Check Point or Fortinet firewalls.

• Experience with ACI-SDN and Radware.

• Strong knowledge of STP, VLAN, SVI and LACP.

• Experience with SD-WAN, particularly FortiGate and Aruba.

• Knowledge of GRE, P-VPN, P-NAT, P-Routing and firewall clustering.

• Strong understanding of TCP/UDP and IPv6.

• Experience with IOS upgrades.

• Knowledge of RADIUS and TACACS/TACACS+.

• Experience with NMS, SYSLOG and SNMP.

• Basic understanding of FTP server communication.

Equipment & Hands-On Experience :

• 4 - 5 years of hands-on experience with network switches such as Juniper, Cisco, Mellanox, Dell and/or Arista.

• Hands-on experience with Cisco routers and enterprise network infrastructure.

• Experience with Cisco ASA, Juniper, Check Point and/or Fortinet firewalls.

• Practical knowledge of network cabling, racks and data-center infrastructure.

• Experience with network monitoring tools and network analyzers.

• Ability to troubleshoot and differentiate network, application and system-level issues.

Professional Skills :

• Strong troubleshooting and problem-solving skills.

• Ability to prioritize multiple network and connectivity issues effectively.

• Ability to work independently and take ownership of technical issues.

• Strong communication and stakeholder-management skills.

• Overall experience : 8 - 10 years in networking/network infrastructure.