We are seeking an experienced Network Engineer III to design, implement, optimize, and support a complex global enterprise network infrastructure. This role will be responsible for maintaining high availability, security, and performance across a multinational environment spanning the United States, Canada, United Kingdom, Europe, and Australia.

The ideal candidate will possess deep expertise in Cisco networking technologies, SD-WAN, and advanced routing and switching, with experience supporting large-scale global WAN and LAN environments.

Key Responsibilities

* Design and assist in architecting secure networks

* Design, implement, and support enterprise-wide network infrastructure across global locations.

* Manage and optimize SD-WAN deployments to improve connectivity, performance, and resiliency.

* Configure, troubleshoot, and maintain advanced routing and switching environments.

* Administer and support Cisco-based network technologies and architectures.

* Ensure high availability and operational stability of global WAN, LAN, and internet connectivity.

* Lead network upgrades, migrations, and infrastructure modernization initiatives.

* Monitor network performance and proactively identify opportunities for optimization.

* Collaborate with security, infrastructure, cloud, and application teams to support business initiatives.

* Develop and maintain network documentation, diagrams, standards, and operational procedures.

* Participate in incident response, root cause analysis, and problem management activities.

* Provide technical leadership and mentorship to junior network engineers.

* Coordinate with global teams and third-party providers to support international network operations.

Required Qualifications

* Bachelor's degree in Information Technology, Computer Science, Engineering, or equivalent experience.

* 5+ years of enterprise network engineering experience.

* Strong hands-on experience with Cisco networking technologies.

* Expertise in SD-WAN design, implementation, and support.

* Advanced knowledge of:

* BGP

* OSPF

* EIGRP

* MPLS

* VLANs

* STP

* HSRP/VRRP

* QoS

* NAT

* Extensive experience with enterprise routing and switching platforms.

* Strong troubleshooting skills across LAN, WAN, and internet environments.

* Experience supporting geographically distributed global networks.

Preferred Qualifications

* Cisco certifications such as CCNP Enterprise or CCIE Enterprise Infrastructure.

* Experience with cloud networking (AWS, Azure, or Google Cloud).

* Knowledge of network security technologies including firewalls, VPNs, and segmentation.

* Experience with network monitoring and automation tools.

* Exposure to large-scale multinational network environments.

Technical Environment

* Cisco Enterprise Networking

* Cisco SD-WAN

* Advanced Routing & Switching

* Global WAN/LAN Infrastructure

* MPLS and Internet-based Connectivity

* Network Monitoring and Performance Management

* Cloud Connectivity Services

Geographic Scope

This role supports a global network footprint including:

* United States

* Canada

* United Kingdom

* Europe

* Australia

Work Arrangement

* Full-time

* Hybrid in Bedford, NH

* Occasional after-hours support for global operations and maintenance activities

* Potential limited travel to domestic and international locations