L2L3 Network Engineer

Leapswitch Networks is seeking a skilled and proactive L2/L3 Network Engineer to design implement troubleshoot and manage a highly available and secure network infrastructure spanning multiple technologies and vendors across colocated datacenter environments.

Job Summary

We are seeking a skilled and proactive L2/L3 Network Engineer with strong hands-on experience in routing switching firewalls VPNs and advanced redundancy protocols. The ideal candidate will be responsible for network operations troubleshooting implementation optimization and maintaining high availability across the network infrastructure.

Key Responsibilities

Technical Responsibilities

1. ConfigureConfigure maintain and troubleshoot enterprise networks using Cisco and FortiGate equipment.

• Perform network configuration upgrades and troubleshooting across colocated datacenter environments.

2. Layer 2 / Layer 3 design & troubleshooting

• Handle design implementation and troubleshooting of STP RSTP VTP VLANs HSRP and VRRP.
• Troubleshoot complex L2/L3 connectivity and performance issues.

3. BGP OSPF & routing governance

• Manage BGP sessions on ASR route-maps route-policies and AS-path policies.
• Configure and troubleshoot OSPF and failover routing strategies.
• Ensure stable and optimized routing across the network infrastructure.

4. VPN solutions & remote access

• Implement and manage VPN solutions including Site-to-Site SSL and IPSec.
• Manage remote access policies and troubleshoot VPN connectivity issues.

5. High availability MLAG VPC Port-Channel

• Configure and maintain high-availability network infrastructure using MLAG VPC and Port-Channel technologies.
• Troubleshoot redundancy and failover-related issues.

6. Firewalls ACLs & FortiGate UTM

• Configure and maintain firewalls and ACLs for network security and segmentation.
• Work with advanced FortiGate UTM features.
• Troubleshoot firewall policies traffic flow and security-related network issues.

7. Vendor & cross-team collaboration

• Coordinate with vendors and internal teams for network upgrades migrations troubleshooting and major incident resolution.
• Manage vendor support and coordinate resolution of infrastructure-related issues.

8. Root cause analysis & optimization

1. Perform RCA for recurring and critical network issues.
2. Identify opportunities for network optimization performance improvement and infrastructure upgrades.

9. Documentation & topology upkeep

• Maintain comprehensive and up-to-date documentation of network topologies configurations and SOPs.
• Ensure network changes and configurations are properly documented.

Required Skills & Qualifications

1. 8 years of hands-on enterprise networking experience.
2. Strong command of L2/L3 protocols and enterprise networking standards.
3. Proven expertise with Cisco IOS / NX-OS and FortiOS.
4. Deep hands-on experience with BGP OSPF VPN STP VTP and VLAN planning.
5. Solid grounding in MLAG VPC and high-availability network designs.
6. Demonstrated ability to handle complex routing / firewall troubleshooting and major incident resolution.
7. Proficiency with network monitoring tools (Observium NetFlow SNMP).
8. CCNP / CCIE and/or NSE certification preferred (CCIE or NSE4 strongly preferred for this level).
9. Strong communication and stakeholder management skills.

Must Have

• Exposure to datacenter interconnect VXLAN EVPN or SD-WAN.
• Experience with automation using Python or Ansible for network tasks.
• Experience managing vendor SLAs and contract-based network support.

Experience- 5-8 yr of exp

Shift- Rotational

Reports To- Director

Department- Network Infrastructure

Location- Pune