Apptad · 9 hours ago
L3 Network Engineer – LAN/WAN (W2 Only)
East Rutherford, NJ
Contract
Onsite
Senior Level
$50/hr - $50/hrApptad is seeking an L3 Network Engineer to design, implement, and optimize LAN/WAN infrastructure for high-performance enterprise environments. The role includes handling escalated incidents, ensuring security compliance, and mentoring junior engineers.
ConsultingDevOpsInformation TechnologyProduct ManagementSoftware
No H1B
Hiring Manager
Kumari Nisha Jyoti
Responsibilities
Design, implement, and optimize LAN/WAN infrastructure for high‑performance enterprise environments
Deploy and configure L3/L2 switches, routers, firewalls, WLC, SD‑WAN devices
Architect and deploy Cisco Nexus (5K/7K/9K) and Cisco ACI environments
Configure, maintain and optimize F5 Load Balancers (LTM/GTM)
Handle escalated L3 incidents, major outages, complex RCA/Corrective actions
Collaborate with TAC for deep‑dive troubleshooting
Configure and maintain firewalls, ACLs, IPSec VPN, AAA (RADIUS/TACACS+)
Ensure compliance with org or client security standards
Monitor network performance using:SolarWinds, Netbox, Cyber Vision, NNM, ORION
Provide optimization recommendations for latency reduction and efficiency improvements
Maintain detailed design/implementation/operational documentation
Mentor junior engineers and deliver knowledge transfer
Qualification
Required
Design, implement, and optimize LAN/WAN infrastructure for high‑performance enterprise environments
Deploy and configure L3/L2 switches, routers, firewalls, WLC, SD‑WAN devices
Architect and deploy Cisco Nexus (5K/7K/9K) and Cisco ACI environments
Configure, maintain and optimize F5 Load Balancers (LTM/GTM)
Handle escalated L3 incidents, major outages, complex RCA/Corrective actions
Collaborate with TAC for deep‑dive troubleshooting
Configure and maintain firewalls, ACLs, IPSec VPN, AAA (RADIUS/TACACS+)
Ensure compliance with org or client security standards
Monitor network performance using: SolarWinds, Netbox, Cyber Vision, NNM, ORION
Provide optimization recommendations for latency reduction and efficiency improvements
Maintain detailed design/implementation/operational documentation
Mentor junior engineers and deliver knowledge transfer
Routing: BGP, OSPF, EIGRP
Switching: VLAN, VTP, STP, EtherChannel, QoS
WAN: MPLS, MPLS VPN, MP‑BGP, SD‑WAN (Cisco Viptela, Meraki)
TCP/IP, application protocols (HTTP, HTTPS, FTP, SNMP, SSL)
Security: IPSec VPN, AAA, RADIUS/TACACS+
Data Center Technologies: Cisco Catalyst (6500 series etc.), Cisco Nexus 2K/5K/7K/9K, Server/Storage networking fundamentals
Wireless: Cisco or Aruba Wireless
Load Balancing: F5 Big IP LTM/GTM
Tools: SolarWinds, NNM, ORION, Netbox
Company
Apptad
Apptad offers strategic consulting, enterprise information management, and digital transformation services.
Founded in 2013
1001-5000 employees
Funding
Current Stage
Late StageLeadership Team
A
Arbind Singh
Co-Founder and Chief Executive Officer (CEO)
Company data provided by crunchbase