We are looking for an experienced Network Engineer to support critical enterprise connectivity and infrastructure operations in Pennsylvania. This Long-term Contract opportunity is ideal for a detail-oriented individual who can strengthen network stability, safeguard perimeter security, and respond effectively to technical issues across a complex environment. The role focuses on hands-on administration, proactive performance improvement, and close coordination with internal teams to keep network services dependable and secure.<br><br>Responsibilities:<br>• Administer and optimize Cisco-based network infrastructure, including routers, switches, and related connectivity components across the enterprise environment.<br>• Manage firewall platforms such as Cisco ASA, Palo Alto, Fortinet, or comparable technologies to maintain secure and reliable network access.<br>• Investigate and resolve routing, switching, IP, and wireless network issues to minimize downtime and restore service efficiently.<br>• Review, interpret, and maintain network diagrams, topology records, and technical documentation to support operational accuracy.<br>• Track network performance, identify risks or inefficiencies, and implement enhancements that improve resilience, speed, and security.<br>• Contribute to infrastructure changes by supporting network upgrades, migrations, and other improvement initiatives with minimal disruption.<br>• Partner with cross-functional teams to sustain network availability, address operational needs, and support ongoing business requirements.