Senior Network Engineer
10+ years of progressive enterprise networking experience within highly regulated environments, including at least 10 years serving in a Lead Network Engineer capacity. Additional experience in energy sectors and experience with IT/OT networking a plus. Education & Certifications: Active Cisco Certified Network Professional (CCNP) certification is required. CCIE a plus. Degree in MIS, Computer Science, or similar a plus. Cloud certifications in Azure, GCP, or AWS a plus.Routing & Switching Mastery: Expert-level proficiency in Cisco technologies, specifically Cisco ACI. Deep understanding of dynamic routing protocols (BGP, OSPF, EIGRP), route redistribution, policy-based routing, and BGP peering in hybrid cloud environments.SD-WAN & Wireless: 5+ years of hands-on operational experience with Aruba and Meraki solutions (including Aruba SD-WAN and Meraki Wireless). Deep understanding of SDWAN with experience in Juniper SDWAN and Aruba SDWAN a plus.Application Delivery: Proven expertise in designing, configuring, and operating F5 load balancing platforms.Security & Identity Integration: Extensive experience with AAA services (RADIUS, TACACS+) and seamless integration with identity platforms such as Cisco ISE or Azure AD. Strong understanding of Internet edge design, BGP multihoming, cloud-based firewalls, and DDoS mitigation.Core Network Services & Connectivity: Deep understanding of heavy-duty Ethernet technologies (1/10/40/100GbE, VLANs, VXLAN, 802.1Q trunking) and foundational enterprise services including DNS, DHCP, NTP, and IPAM platforms (e.g., Infoblox).Diagnostic Expertise: Advanced proficiency in network packet analysis and performance diagnostics using enterprise tools such as Wireshark, LiveAction, and Cisco Stealthwatch.Automation (Preferred): Experience applying infrastructure-as-code principles and utilizing scripting tools (Python, Ansible, Terraform) to standardize deployments and automate routine network operations.Zero Trust and Purdue Model: In-depth knowledge of the Purdue model and other Zero Trust best practices