Network Engineer

Location: Rahway, NJ

Work Arrangement: Onsite

Experience: 5–12 years

About the Role: We are looking for an experienced Network Engineer to support a Network Lifecycle Management (LCM) initiative for a leading enterprise client. The role will focus on network design, configuration, implementation, hardware/software upgrades, network changes, troubleshooting, and technical documentation. The ideal candidate should have strong hands-on experience with LAN, WLAN, WAN, Cisco networking, network implementation, low-level design, and network documentation.

Key Responsibilities: • Collaborate with Technical Planners and Network Product Teams to develop Low-Level Designs (LLDs) for network implementations.• Prepare configurations for network devices based on approved designs and NCOS standards.• Implement network changes in accordance with customer change-management and Service Management processes.• Support network hardware implementations and software upgrades across LAN, WLAN, WAN, and Voice Gateway environments.• Provide post-implementation hypercare and troubleshooting support.• Work closely with Technical Project Managers, Technical Planners, network teams, vendors, and site stakeholders.• Update and maintain Visio network diagrams reflecting the current site topology, devices, and interconnections.• Maintain IP schemas and IP-addressing documentation for current configurations and future scalability.• Create and maintain rack-elevation diagrams, including equipment layout, cabling, power, and device information.• Collect and consolidate vendor system architecture diagrams and document connectivity/integration requirements.• Document Packet Broker connectivity involving technologies such as Gigamon, Nozomi, and Garland.• Support switch-type mapping and classification, including CSR and CSC requirements.• Maintain accurate network documentation throughout the lifecycle of implementations and upgrades.• Support project teams with technical coordination, reporting, documentation, and implementation activities.• Coordinate with onsite teams and vendors to ensure smooth implementation with minimal business disruption. Must-Have Skills• 5+ years of Network Engineering experience• Cisco Networking• LAN / WLAN / WAN• Network Configuration and Implementation• Low-Level Design (LLD)• Network Lifecycle Management (LCM)• Network Change Management• IP Addressing / IP Schema• Network Troubleshooting• Network Documentation• Visio• Network Topology• Rack Elevation Diagrams• Hardware and Software Upgrades• Service Management / Change Management Preferred Skills• Gigamon• Nozomi• Garland• Packet Broker• Voice Gateway• NCOS standards• Network Architecture• Hypercare support• Vendor coordination• Enterprise network environments Candidates must be comfortable working onsite in Rahway, NJ.