Network Architect IT/OT Edge

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

We're looking for an experienced Edge Network Architect to join a major network transformation programme, focusing on enterprise LAN, WLAN and SD-WAN alongside Operational Technology environments.

You'll be responsible for assessing existing network estates, defining future-state architecture and producing HLD/LLD designs for secure, resilient and scalable edge solutions. The role has a strong OT focus, including network segmentation, Industrial Ethernet, ICS and SCADA environments.

Key Skills:

• Enterprise LAN and switching architecture
• Routing, switching and network segmentation
• Industrial Ethernet, ics and SCADA
• IT/OT network separation and security controls
• Network security architecture and Zero Trust
• HLD and LLD documentation
• Network transformation and migration roadmaps

We're looking for an experienced Edge Network Architect to join a major network transformation programme, focusing on enterprise LAN, WLAN and SD-WAN alongside Operational Technology environments.

You'll be responsible for assessing existing network estates, defining future-state architecture and producing HLD/LLD designs for secure, resilient and scalable edge solutions. The role has a strong OT focus, including network segmentation, Industrial Ethernet, ICS and SCADA environments.

Key Skills:

• Enterprise LAN and switching architecture
• Enterprise WLAN design
• SD-WAN architecture
• Routing, switching and network segmentation
• OT network architecture
• Industrial Ethernet, ics and SCADA
• IT/OT network separation and security controls
• Network security architecture and Zero Trust
• HLD and LLD documentation
• Network transformation and migration roadmaps

Desired Skills and Experience LAN, WLAN, SD-WAN, Network Architecture, Network Segmentation, Operational Technology, Industrial Ethernet, ics, SCADA, Zero Trust