AVP Infrastructure Network Operations Engineer - Cisco, Wi-Fi, Fortinet, SolarWinds, Infoblox, RSA

Job Description

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Permanent AVP Infrastructure Network Operations Engineer - Cisco, Wi-Fi, Fortinet, SolarWinds, Infoblox, RSA

Job Purpose

The AVP - Infrastructure Network Operations Engineer will leverage their technical expertise and process improvement skills to optimize support of our network and datacentre infrastructure. The role involves monitoring network alerts, performing day-to-day operation tasks, and driving process improvements. The individual will excel in hands-on technical implementation and troubleshooting of various network technologies. Collaboration with L3 engineering and managed service providers is essential to align with company goals and best practices.

Key Responsibilities

• Configure, maintain, and troubleshoot enterprise, data center, and cloud network architectures.
• Handle daily operational tasks, including troubleshooting connectivity issues and resolving operational tickets.
• Follow strict change management processes for deploying firewall rule changes, firmware upgrades, and other network maintenance activities.
• Monitor network infrastructure alerts using SolarWinds and participate in a monthly on-call rotation.
• Serve as the primary contact for network incidents, perform diagnostics, and collaborate with L3 engineering, cross-functional teams, and vendors for resolution and root cause analysis.

What we're looking for:

Required Skills and Experience:

• Solid knowledge of LAN/WAN technologies, routing protocols, route redistribution, filtering, L2 loop avoidance, and datacenter fabric using spine-leaf architecture (Cisco ACI).
• Experience deploying and troubleshooting WLAN in centralized and cloud-based models.
• Extensive experience with multi-vendor firewalls (Checkpoint, ASA, Fortinet), including implementing and troubleshooting firewall rules, NAT, and VPNs in segmented networks.

Specialized Skills & Knowledge:

Extensive knowledge of configuring and troubleshooting the following technologies:

• Security & Firewall Management: Multi-vendor firewalls (Firepower, ASA, Checkpoint), network segmentation, IPS, encryption (IPSEC, MACsec), VPN (Site-to-Site), NAC (Cisco ISE), RSA appliances.
• Enterprise Infrastructure: Routing & switching, protocols (OSPF, BGP), PBR, MPLS, VPN, SDWAN, STP, ACLs, advanced L2/L3 switching, QoS.
• Cloud Integration: Hybrid connectivity to AWS VPCs via Direct Connect, Transit Gateway, NAT Gateway, VPN; managing cloud security with security groups.
• Datacenter Infrastructure: Spine-leaf architecture, VxLAN fabric (Cisco ACI), Cisco NX-OS, RSA appliances, NetScaler.
• Wi-Fi Solutions: Centralized and cloud-based WLAN solutions; experience with Meraki is a plus.
• Monitoring: SolarWinds for alert monitoring.
• Troubleshooting: Firewall packet capture, CLI commands, Dynatrace and other tools.

Position details: Permanent, London-based, hybrid working model.

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