Edge Network Architect: IT/OT, SD-WAN & Security

Gazelle Global; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Gazelle Global is seeking an experienced Edge Network Architect to lead a major network transformation focusing on enterprise LAN, WLAN and SD-WAN, alongside OT environments such as Industrial Ethernet, ICS and SCADA. You will assess existing estates, define future-state architecture and deliver HLD/LLD designs for secure, scalable edge solutions.

The role emphasises IT/OT network separation, network security architecture and Zero Trust, with responsibility for roadmaps and migration planning

Qualifications

• Experience architecting edge network solutions for enterprise environments.
• Strong understanding of OT networks, Industrial Ethernet, ICS/SCADA.
• Proven ability to produce high/low level design documents and migration roadmaps.

Responsibilities

• Assess existing network estates and capture as-is state.
• Define future-state architecture for edge solutions with OT focus.
• Produce comprehensive HLD/LLD designs for secure, resilient edge networks.
• Lead network transformation initiatives including LAN, WLAN and SD-WAN migration.

Skills

Enterprise LAN architecture

WLAN design

SD-WAN architecture

IT/OT network separation

Network security & Zero Trust

HLD/LLD documentation

Network segmentation

Industrial Ethernet

ICS/SCADA familiarity

Roadmap planning

Job description

Gazelle Global is seeking an experienced Edge Network Architect to lead a major network transformation focusing on enterprise LAN, WLAN and SD-WAN, alongside OT environments such as Industrial Ethernet, ICS and SCADA. You will assess existing estates, define future-state architecture and deliver HLD/LLD designs for secure, scalable edge solutions.

The role emphasises IT/OT network separation, network security architecture and Zero Trust, with responsibility for roadmaps and migration planning