Senior Network Engineer

Job SummaryThe Senior Network Engineer is responsible for designing, implementing, operating, and supporting the campus and data center network infrastructure. As a key member of the IT Infrastructure team, the role focuses on delivering scalable, secure, and highly available network services that meet business objectives and service-level agreements (SLAs).Duties and Responsibilities Design, deploy, and optimize functional networks (LAN, WLAN, WAN) for campus and data center environments.Perform proactive network maintenance, upgrades, and patching to ensure stability and compliance with standards.Monitor network and system performance, ensuring high availability, reliability, and alignment with current and future capacity demands.Analyze system resource utilization and trends, and contribute to capacity planning activities.Provide second- and third-line support, troubleshooting, and root-cause analysis for network incidents and problems.Work within established configuration and change management processes to ensure proper assessment, approval, and documentation of changes.Collaborate with the information security team to select, implement, and maintain network security tools, policies, and procedures.Maintain healthy, redundant internet connectivity and external links.Lead and participate in network projects across campus and the data center, including routers, switches, wireless controllers, and access points.Administer, configure, and maintain Cisco DNA Center and ACI fabrics.Administer and support Cisco Unified Communications Manager and the IP telephony environment.Maintain and administer security integrations (e.g., Cisco ISE, Stealthwatch) and ensure consistent policy enforcement.Provide professional-level technical support for Cisco products, platforms, and solutions.Prepare and maintain accurate network documentation, diagrams, and asset inventories, including configurations and metadata.Contribute to annual budgeting (CAPEX and OPEX) for network and IT support services, including lifecycle management, upgrades, and expansions.