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. Education, Experience & Qualifications 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. Knowledge & Skills 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. Certificates, Licenses, Registrations Industry certifications such as CCNP, CWNA, CWNP, Cisco Wireless or equivalent preferred. #J-18808-Ljbffr Mbi Llc