Role: Lead Network & Security Engineer
Location: Buffalo, NY (Hybrid)
Duration: 12+ Months
Position Overview:
Take ownership of complex enterprise network and security environments while leading L3 support, architecture reviews, and infrastructure assessments. This role combines hands-on engineering with technical leadership across Cisco data center networking, Fortinet and Palo Alto firewalls, network optimization, and automation initiatives.
Responsiblities:
Lead enterprise network and firewall assessments across Fortinet and Palo Alto environments
Perform advanced L3 troubleshooting for routing, switching, VPN, QoS, NAT, ACL, and network performance issues
Support Cisco Nexus data center architecture including NX-OS, VPC, VXLAN/EVPN, and HA designs
Review firewall governance, security policies, SD-WAN posture, and segmentation strategies
Configure and support SolarWinds and other network monitoring/discovery tools
Lead major network changes, migrations, upgrades, and change management activities
Develop network standards, documentation, runbooks, and configuration templates
Mentor L1/L2 engineers and act as the final technical escalation point
Requirements:
10 12 years of networking experience with 3 4 years in an L3 or Architect-level role
Extensive hands-on experience with Cisco IOS/XE, NX-OS, and Cisco Nexus platforms
Strong expertise with Fortinet FortiGate and Palo Alto Networks firewalls
Experience with SolarWinds or comparable monitoring tools, including network discovery
Strong knowledge of OSPF, BGP, VLANs, STP, EtherChannel, SD-WAN, VPNs, and HA clustering
Working knowledge of automation and scripting using Python, Bash, or EEM
CCNA or equivalent hands-on experience
Preferred Qualifications:
CCNP Enterprise
Fortinet NSE 4 or higher
Aruba Wireless, Extreme Networks, or Juniper Networks experience
ITIL v4 Foundation
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