We are seeking a Senior Network Engineer with over 10 years of experience in enterprise networking, data center infrastructure, and hybrid cloud connectivity. This onsite role in Plano, TX involves designing, implementing, and supporting secure, scalable networks across on-premises data centers and Azure cloud platforms. Key responsibilities include managing Cisco Nexus switches, firewalls (Fortinet FortiGate, Palo Alto), and configuring Azure Virtual Networks and ExpressRoute for hybrid connectivity. The engineer will troubleshoot complex network issues, optimize performance, and collaborate with cross-functional teams to ensure reliable infrastructure and application connectivity. Required skills include expertise in BGP, OSPF, network security, and cloud networking. Preferred skills involve data center high availability and network observability tools.