We are looking for a Network Engineer to support enterprise voice and network environments in Iselin, New Jersey. This Long-term Contract opportunity is ideal for a communications and infrastructure specialist who wants to deepen expertise across Cisco-based networking, VoIP platforms, and collaboration technologies. The role will focus on maintaining reliable connectivity, strengthening network security, and supporting critical telecommunications services across the organization.

Responsibilities:

• Administer and support enterprise network infrastructure, including Cisco routing and switching environments, to maintain stable and secure operations.
• Configure, monitor, and troubleshoot VoIP and unified communications systems to ensure consistent voice service and collaboration performance.
• Manage firewall technologies such as Palo Alto and Cisco ASA by applying security policies, reviewing traffic behavior, and resolving connectivity issues.
• Support routing architecture by implementing and maintaining Border Gateway Protocol (BGP) configurations across complex network environments.
• Investigate network incidents, perform root cause analysis, and restore service quickly while documenting findings and corrective actions.
• Partner with internal technical teams to plan network improvements, optimize system performance, and support infrastructure-related projects.
• Maintain technical documentation for network designs, configuration standards, operational procedures, and troubleshooting records.
• Evaluate network health through ongoing monitoring and recommend updates that improve reliability, scalability, and security.