We (Techywave Pvt Ltd) are urgently looking for Senior L3/L4 Network & Infrastructure Engineers with 8–10 years of solid hands-on experience for one of our clients based out of USA.

Location:
PAN India Work Mode: 100% Remote (Work From Home) Shift: US Time Zone Joining: Immediate Joiners Preferred Mandatory Technical Skills (All Required)Candidates must possess hands-on experience and a strong technical understanding of the following technologies, including configuration, administration, implementation, monitoring, and troubleshooting. 1. Cisco– Routing, Switching & Troubleshooting
· Strong hands-on experience in configuring, managing, and troubleshooting Cisco network devices, including routers and switches.
· Good understanding of networking fundamentals, including TCP/IP, OSI model, VLANs, trunking, inter-VLAN routing, subnetting, and IP addressing.
· Experience with routing protocols such as Static Routing, OSPF, EIGRP, and BGP.
· Knowledge of Layer 2 and Layer 3 switching concepts, STP, EtherChannel, port security, and access control.
· Ability to troubleshoot network connectivity issues, packet loss, latency, routing problems, and switching-related issues.
· Experience in network monitoring, performance optimization, configuration backup, and network documentation. 2. Fortinet– FortiGate Firewall & VPN
· Hands-on experience in configuring, administering, and managing Fortinet FortiGate firewalls.
· Strong understanding of firewall policies, security rules, NAT, access control, and traffic filtering.
· Experience in configuring and troubleshooting Site-to-Site IPsec VPN and Remote Access SSL/IPsec VPN.
· Knowledge of routing, security profiles, including IPS/IDS, antivirus, web filtering, application control, and threat protection.
· Ability to analyze firewall logs, monitor traffic, investigate security incidents,



and troubleshoot connectivity issues.
· Experience in firmware upgrades, configuration backup, policy optimization, and firewall maintenance.
· Understanding of network security best practices and perimeter security management. 3. KVM– Virtualization & Administration
· Hands-on experience in administering and managing KVM (Kernel-based Virtual Machine) virtualization environments.
· Good understanding of Linux-based virtualization architecture and hypervisor concepts.
· Experience in creating, configuring, managing, and maintaining virtual machines (VMs).
· Knowledge of virtual networking, bridges, virtual switches, and network connectivity between virtual machines.
· Experience with VM resource allocation, including CPU, memory, storage, and disk management.
· Familiarity with tools such as Libvirt, virsh, and Virtual Machine Manager (virt-manager).
· Ability to troubleshoot VM performance issues, resource utilization, storage problems, and virtualization-related connectivity issues.
· Understanding of VM snapshots, cloning, backup, migration, and routine maintenance activities. Important Candidate Requirement: All three skill sets – Cisco Networking, Fortinet Firewall, and KVM Virtualization – are mandatory. Candidates MUST have practical, hands-on experience in all three areas, preferably in an enterprise IT infrastructure, Telecom or Data Center environment. Key Requirements
· Strong L3/L4 hands-on troubleshooting experience.
· Must have independently handled US-based clients.
· Excellent English communication skills.
· Comfortable working in US shifts.
· Ability to work independently in a fast-paced environment. Interested candidates: Please share your updated CV at [email protected] immediately. Please mention: 1. Total

experience:
2. Current & expected CTC: 3. Notice period: 4. Current

location:
Immediate joiners are highly preferred.

📌 Senior/Network (India)
🏢 An IT Consulting
📍 India