Sr. Network Engineer

Responsibilities

• Designs, implements, supports, and maintains enterprise network/wireless infrastructure across NJ Transit facilities including data centers, rail stations, bus garages, office buildings, transportation hubs, dispatch centers, maintenance facilities, and remote locations.
• Designs, implements, and supports wireless cellular technologies including LTE, 5G, DAS, wireless WAN (WWAN), and mobile network solutions.
• Supports highly available network/wireless infrastructure for 24x7 transportation operations with focus on resiliency, redundancy, and operational continuity. Performs cellular/wireless signal analysis, coverage validation, interference troubleshooting, and cellular performance optimization.
• Supports out-of-band (OOB) connectivity solutions utilizing cellular technologies for remote infrastructure management and resiliency.
• Determines and analyzes user requirements for voice and data services/equipment. Participates in vulnerability remediation, security audits, incident response, and infrastructure hardening initiatives.
• Evaluates technical and cost proposals for telecommunications equipment, systems and services and prepares recommendations to immediate supervisor.
• Performs voice and data traffic engineering analysis to assure that telecommunications services are optimized and satisfactory level of service is maintained/improved.
• Participates in vulnerability remediation, security audits, incident response, and infrastructure hardening initiatives.

• Bachelor’s Degree in Computer Science or related major or equivalent.
• Four (4) or more years of applied experience in the telecommunications field, including voice and data.
• Experience includes working in a major PBX and/or network environment with extensive client interaction in the implementation/support of data and voice networks.
• Experience with wireless cellular technologies including LTE, 5G, DAS, cellular gateways/modems, and carrier network services preferred.
• Knowledge of wireless network architecture, RF fundamentals, carrier connectivity, and mobile communications infrastructure preferred.
• Experience supporting mission‑critical wireless infrastructure and transportation communications systems preferred.

• CradlePoint Modem Device Configuration skills and Operational Support.
• Experience with wireless cellular technologies including LTE, 5G, DAS, cellular gateways/modems, and carrier network services.
• Knowledge of wireless network architecture, RF fundamentals, carrier connectivity, and mobile communications infrastructure.
• Experience supporting mission‑critical wireless infrastructure and transportation communications systems.
• Experience with Cisco, Cradlepoint, Sierra Wireless, Digi, Aruba or similar wireless networking platforms.
• Industry certifications such as CCNP, CWNA, CWNP, Cisco Wireless or equivalent.
• Requires fieldwork at transportation facilities, remote sites, data centers, rail stations, bus garages, and outdoor locations.
• Locations to be provided as it will be dependent upon where the work is needed.
• Candidate can expect 1-2 days per week in office at 2 Gateway, Newark NJ and remainder of days per week at one of the sites. Candidate will not work from home.
• May require after-hours support for emergency wireless/cellular outages and maintenance activities.

• Industry certifications such as CCNP, CWNA, CWNP, Cisco Wireless or equivalent preferred.