Permanent AVP Infrastructure Network Operations Engineer - Cisco ACI, Firewalls, AWS, Wi-FI

Scope AT Limited; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A technology solutions provider based in Central London is seeking a Permanent AVP Infrastructure Network Operations Engineer. The ideal candidate will have extensive experience in security and firewall management, cloud networking, and troubleshooting in a multi-vendor environment. The role offers hybrid working and involves creating technical documentation while ensuring efficient network operations. Strong knowledge of LAN/WAN technologies and cloud integrations is essential for success in this position.

Qualifications

• Exceptional technical problem-solving skills in high-pressure scenarios.
• Solid knowledge of traditional LAN/WAN technologies.
• Proven experience with WLAN deployment and troubleshooting.
• In-depth experience in a multi-vendor Firewall environment.
• Good knowledge of cloud networking components.

Responsibilities

• Configuring and troubleshooting security and firewall management.
• Managing hybrid cloud integration into AWS VPCs.
• Maintaining centralized and cloud-based Wi-Fi solutions.
• Creating technical documents and network diagrams.

Skills

Technical problem-solving skills

Collaboration and communication abilities

Knowledge of LAN/WAN technologies

Experience with WLAN implementation

Multi-vendor Firewall experience

Cloud networking knowledge (AWS, Azure)

Familiarity with SaaS-based security

Monitoring tools knowledge (SolarWinds, Dynatrace)

Documentation skills

Job description

Permanent AVP Infrastructure Network Operations Engineer - Cisco ACI, Firewalls, AWS, Wi-FI

Required Skills and Experience

• Possess exceptional technical problem-solving skills in high-pressure scenarios, combined with strong collaboration and communication abilities.
• Solid knowledge of traditional LAN/WAN technologies including routing protocols, route redistribution, manipulation, and filtering, L2 loop avoidance, as well as datacentre clos fabric using spine-leaf architecture (Cisco ACI).
• Proven experience with deploying and troubleshooting issues related to WLAN, in a centralized (controller) as well as cloud-based model.
• In-depth experience of working in a multi-vendor Firewall environment (Checkpoint, ASA, Fortinet), that involves implementing & troubleshooting Firewall rule changes, NAT & VPN in a segmented network with multiple layers of Firewalls.
• Good knowledge of cloud networking (AWS and Azure) components, including VPC design and hybrid connectivity.
• Familiarity with SaaS-based security and SASE architecture, Zero Trust principles.
• Familiarity with monitoring tools like SolarWinds and Dynatrace.
• Familiarity working with ServiceNow or other ticketing systems.
• Proficiency in creating technical documents, runbooks, and network diagrams.
• Prior experience of working in an NOC environment would be a plus.

Extensive knowledge of configuring and troubleshooting the following technologies

• Security & Firewall Management: multi-vendor Firewalls (Firepower, ASA & Checkpoint) that leverage management tools for rule deployment, network segmentation in a multi-context/multi-zone Firewall environment, IPS, encryption techniques (IPSEC, MACsec), VPN (Site-to-Site), NAC (Cisco ISE) and access security appliance (RSA).
• Enterprise Infrastructure: Routing & Switching, including routing protocols (OSPF & BGP), PBR, MPLS, VPN, SDWAN, STP, ACL, advanced L2/L3 switching technologies and QoS.
• Cloud Integration: Hybrid connectivity into AWS VPCs using various options (AWS Direct Connect, DX Gateway, NAT Gateway, Transit Gateway, and VPN), manage cloud security options using security groups.
• Datacentre Infrastructure: Spine and Leaf architecture, VxLAN fabric (Cisco ACI deployment) and other datacentre technologies (Cisco NX-OS, RSA appliance & NetScaler).
• Wi-Fi Solutions: Centralized and cloud-based WLAN solutions. Any experience with Meraki solutions would be preferred.
• Monitor: SolarWinds for alert monitoring.
• Troubleshoot: Using Firewall packet capture, CLI commands and other methodologies, tools like Dynatrace.

Permanent role - Central London based - hybrid working