Enter a job title or keyword

Sr. Network Engineer

Job Location:

Newark, DE - USA

Monthly Salary: Not provided by the employer

Posted: 2 June 2026 (30+ days ago)

Application Deadline: 30 August 2026

Vacancies: 1 Vacancy

Job Title:

Sr. Network Engineer (Onsite)

Location:

Newark NJ

Duration:

6 months

Note:

Does the candidate agree to split their time between being on site in Newark NJ and performing field work (NOT Hybrid)

Interview Process:

In Person Only

Job Description

Roles & 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

Knowledge & Skills

CradlePoint Modem Device Configuration skills and Operational Support
Four (4) or more years of applied experience in the telecommunications field including voice and data.
Experience to include working in a major PBX andor 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.

Certificates Licenses Registrations

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

Working Environment

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.

Top Skills & Years of Experience

Skill	Required /Desired	Amount	of Experience
CradlePoint Modem Device Configuration Skills	Required	4	Years
Applied experience in the telecommunications field including voice and data.	Required	4	Years
Experience to include working in a major PBX and/or network environment with extensive client interaction in the implementation/support of data	Required	4	Years
Experience with wireless cellular technologies including LTE 5G DAS cellular gateways.	Required	4	Years
Knowledge of wireless network architecture RF fundamentals carrier connectivity & mobile communications infrastructure	Required	4	Years
Experience with Cisco Cradlepoint Sierra Wireless Digi Aruba or similar wireless networking platforms	Required	4	Years
Industry Certifications: CCNP CWNA CWNP Cisco Wireless or equivalent	Highly desired	0