We are looking for a Network Engineer to join a contract opportunity in Pennsylvania. In this role, you will contribute to the design, support, and optimization of enterprise network, voice, and collaboration systems within a Cisco-centered environment. The position requires a hands-on, detail-oriented individual who can strengthen reliability, performance, and security while partnering with internal teams to deliver stable communication services.<br><br>Responsibilities:<br>• Oversee the daily operation and ongoing improvement of Cisco network infrastructure, including switching, routing, VLAN segmentation, spanning tree, and access layer connectivity.<br>• Configure and support enterprise voice platforms by administering Cisco Unified Communications systems, call routing components, and related telephony services.<br>• Maintain cloud-based collaboration tools such as Webex and Microsoft Teams, including account setup, dial plan coordination, and interoperability with on-premises environments.<br>• Administer emergency calling solutions and verify that voice services align with applicable E911 requirements across company locations.<br>• Develop, document, and carry out disaster recovery and failover exercises for network and voice platforms, capturing outcomes and validating recovery readiness.<br>• Apply and tune quality of service settings to preserve call clarity and prioritize real-time traffic throughout the communications environment.<br>• Investigate and resolve call quality problems, service interruptions, and network-related voice issues using a disciplined troubleshooting approach.<br>• Support structured change management processes by preparing documentation, implementing approved updates, and completing post-change review activities.<br>• Partner with security, compliance, vendors, and cross-functional technology teams to ensure infrastructure meets operational standards and regulatory expectations.<br>• Keep technical records current, including network diagrams, voice configurations, dial plans, and support procedures.