Network Engineering Specialist

PositionSummary

TheNetwork Engineering Specialist is a senior technical position responsible forthe architecture, engineering, implementation, modernization, and operationalsupport of NJ TRANSIT's enterprise network infrastructure.

Theposition supports a large, geographically distributed transportationenvironment 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 enterpriserouting and switching, WAN and SD-WAN, data center networking, wireless,Internet and carrier connectivity, network security integration, cloudconnectivity, and network monitoring.

Theposition will work closely with Network Architecture, Network Engineering,Operations, Telecommunications, Infrastructure, application teams, projectmanagement, telecommunications carriers, and technology vendors to deliverreliable, secure, resilient, and highly available network services.

KeyResponsibilities

EnterpriseNetwork Engineering

Design, engineer, implement, configure, troubleshoot, and optimize enterpriseLAN and WAN infrastructure.

Design and support complex Layer 2 and Layer 3 environments using technologiesincluding BGP, OSPF, EIGRP, VLANs, VRFs, HSRP, STP, QoS, multicast, and routeredistribution.

Develop network standards, reference architectures, engineering specifications,and configuration standards.

Perform capacity planning, performance analysis, lifecycle management, andinfrastructure 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 CiscoACI.

Support data center consolidation, relocation, migration, and infrastructuremodernization initiatives.

Engineer high-speed 10G, 40G, 100G, and 400G connectivity where required.

Support optical networking, DWDM, dark fiber, carrier wavelength services, anddata 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 networksecurity architectures.

Support technologies including Azure ExpressRoute, AWS Direct Connect, VPN, andcloud-based network services.

Troubleshoot routing, connectivity, performance, and security issues betweenon-premises and cloud environments.

Support connectivity requirements for operational and infrastructure systemssuch as CCTV, voice, building systems, monitoring platforms, and otherIP-connected technologies.

Utilize tools such as SolarWinds, ServiceNow, ThousandEyes, packet analysistools, and other network-management platforms.

Support accurate network inventory and CMDB information.

Develop automation using technologies such as Python, Ansible, APIs, andTerraform where appropriate.

Develop High-Level Designs (HLDs), Low-Level Designs (LLDs), Methods ofProcedure (MOPs), implementation plans, test plans, rollback procedures,network diagrams, and operational documentation.

Conduct technical design reviews and identify dependencies, risks, capacitylimitations, and implementation concerns.

RequiredQualifications

Bachelor's degree in Computer Science, Information Technology, Engineering,Telecommunications, or a related discipline, or equivalent professionalexperience.

10+ years of progressively responsible enterprise network engineeringexperience in large and complex environments.

Expert-level knowledge of enterprise routing and switching.

Advanced experience with Cisco routers, Catalyst switches, Nexus platforms, andenterprise network technologies.

Advanced knowledge of BGP, OSPF, EIGRP, TCP/IP, VLANs, VRFs, STP, QoS,multicast, VPNs, and route redistribution.

Strong experience with enterprise WAN and SD-WAN architecture andimplementation.

Experience with carrier telecommunications services and WAN circuittechnologies.

Experience designing highly available and geographically diverse networkinfrastructure.

PreferredQualifications

CCNP, CCIE, or equivalent advanced networking certification or experience.

Experience with Cisco SD-WAN, Cisco ACI, Cisco Catalyst, and Cisco Nexusplatforms.

Experience with optical networking technologies, including DWDM, dark fiber,and high-speed data center interconnects.

Experience with Azure ExpressRoute and AWS Direct Connect.

Experience with network automation using Python, Ansible, APIs, and/orTerraform.

Experience with ServiceNow CMDB, SolarWinds, ThousandEyes, or similarnetwork-management and observability platforms.