Network Engineering Specialist

Network Engineering Specialist, enterprise routing & switching, Cisco routers, Catalyst switches, Nexus platforms, WAN & SD-WAN, carrier telecomm services, network infrastructure

Must be local to Newark region or if the candidate resides more than 1 hour from the client site, they need to relocate to the Newark region.)

Bachelor's degree Computer Science, Information Technology, Engineering, Telecommunications, or a related discipline, or equivalent professional experience. Required.

The Network Engineering Specialist is a senior technical position responsible for the architecture, engineering, implementation, modernization, and operational support of NJ TRANSIT's enterprise network infrastructure. The position supports a large, geographically distributed transportation environment consisting of corporate facilities, rail and bus locations, datacenters, operational facilities, stations, and other critical infrastructure. The engineer will provide hands-on technical expertise across enterprise routing and switching, WAN and SD-WAN, data center networking, wireless, Internet and carrier connectivity, network security integration, cloud connectivity, and network monitoring. The position will work closely with Network Architecture, Network Engineering, Operations, Telecommunications, Infrastructure, application teams, project management, telecommunications carriers, and technology vendors to deliver reliable, secure, resilient, and highly available network services.

Design, engineer, implement, configure, troubleshoot, and optimize enterprise LAN and WAN infrastructure. Design and support complex Layer 2 and Layer 3 environments using technologies including BGP, OSPF, EIGRP, VLANs, VRFs, HSRP, STP, QoS, multicast, and route redistribution. Develop network standards, reference architectures, engineering specifications, and configuration standards. Perform capacity planning, performance analysis, lifecycle management, and infrastructure modernization. Engineer WAN connectivity utilizing Internet, broadband, Ethernet, MPLS,EPL/EVPL, wavelength services, and dark fiber. Troubleshoot complex WAN performance issues including latency, packet loss, jitter, routing, carrier transport, and application performance. Support Cisco data center technologies, including Nexus switching and Cisco ACI. Support data center consolidation, relocation, migration, and infrastructure modernization initiatives. Engineer high-speed 10G, 40G, 100G, and 400G connectivity where required. Support optical networking, DWDM, dark fiber, carrier wavelength services, and data center interconnect solutions. Design and support network segmentation using VLANs, VRFs, ACLs, firewalls, VPNs, IPSec, and related technologies. Participate in the implementation of Zero Trust, SASE, and other modern network security architectures. Support technologies including Azure ExpressRoute, AWS Direct Connect, VPN, and cloud-based network services. Troubleshoot routing, connectivity, performance, and security issues between on-premises and cloud environments. Support connectivity requirements for operational and infrastructure systems such as CCTV, voice, building systems, monitoring platforms, and other IP-connected technologies. Utilize tools such as SolarWinds, ServiceNow, Thousand Eyes, packet analysis tools, and other network-management platforms. Support accurate network inventory and CMDB information. Develop automation using technologies such as Python, Ansible, APIs, and Terraform where appropriate. Develop High-Level Designs (HLDs), Low-Level Designs (LLDs), Methods of Procedure (MOPs), implementation plans, test plans, rollback procedures, network diagrams, and operational documentation. Conduct technical design reviews and identify dependencies, risks, capacity limitations, and implementation concerns.