Senior Network Engineer – Enterprise & SD-WAN

SpikeIT Global Solutions, Inc. • Newark, NJ

3d • Hybrid

About The Position

Senior technical role responsible for the architecture, engineering, implementation, modernization, and operational support of NJ Transit's large, geographically distributed enterprise network — covering corporate facilities, rail/bus locations, data centers, stations, and critical infrastructure.

Requirements

• Enterprise network engineering in large, complex environments (10+ yrs)
• Expert-level enterprise routing & switching
• Advanced Cisco (routers, Catalyst, Nexus) experience
• Advanced BGP, OSPF, EIGRP, TCP/IP, VLANs, VRFs, STP, QoS, multicast, VPNs
• Strong WAN & SD-WAN architecture & implementation
• Carrier telecom services & WAN circuit technologies
• Highly available & geographically diverse network design

Responsibilities

• Design, implement, configure, and troubleshoot enterprise LAN/WAN infrastructure.
• Support complex L2/L3 environments using BGP, OSPF, EIGRP, VLANs, VRFs, STP, QoS, multicast, and route redistribution.
• Engineer WAN/SD-WAN connectivity — MPLS, Ethernet, EPL/EVPL, broadband, wavelength, dark fiber.
• Support Cisco Nexus, ACI, Catalyst, and data center networking (10G/40G/100G/400G, DWDM, DCI).
• Implement Zero Trust, SASE, network segmentation, VPN, and IPSec.
• Support Azure ExpressRoute, AWS Direct Connect, and cloud connectivity.
• Develop automation using Python, Ansible, APIs, Terraform.
• Create HLDs, LLDs, MOPs, test plans, and network diagrams.
• Coordinate with architecture, operations, telecom, vendors, and carriers.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed