Lead Network Architect IT/OT Zero Trust & M&A Integration

Keystone Solutions; Brussel; Hybride; EUR 90 000 - 120 000; Plein temps

Résumé du poste

Keystone Solutions is seeking a hands-on Lead Network Architect to converge two corporate networks and build a resilient IT/OT infrastructure in Brussels. This role is a practical, architecture-led engagement with direct impact on integration and security across the group.

You will co-author a Zero Trust segmentation model from first principles, align with IEC 62443, and ensure SD-WAN compatibility while delivering a pilot design and thorough handover documentation.

Qualifications

• Real hands-on Zero Trust Architecture design experience with network segmentation.
• Extremely strong IPv4 expertise, including addressing and conflict resolution.
• Proven network segmentation design across IT/OT environments.
• Knowledge of IEC 62443 zone/conduit methodology.
• Experience with VLANs, VRFs, routing and firewall policy design.
• Comfort working across IT and OT/industrial networks.
• Strong documentation discipline for handover.

Responsabilités

• Resolve IP address overlap between merging networks and design a resolution path.
• Co-author a Zero-Trust IT/OT segmentation model from scratch with IEC 62443 alignment.
• Confirm SD-WAN alignment and manage conflicts if any.
• Deliver a validated pilot design for a site group.
• Document design details for long-term use by client teams.

Connaissances

Zero Trust

IPv4 Expertise

Network Segmentation

IEC 62443

VLANs

VRFs

Routing

Firewall Policy

IT/OT

Documentation

Outils

NetBox

runZero

Armis

ServiceNow CMDB

Palo Alto Prisma Access

Zscaler

Illumio

SD-WAN

Description du poste

Keystone Solutions is seeking a hands-on Lead Network Architect to converge two corporate networks and build a resilient IT/OT infrastructure in Brussels. This role is a practical, architecture-led engagement with direct impact on integration and security across the group.

You will co-author a Zero Trust segmentation model from first principles, align with IEC 62443, and ensure SD-WAN compatibility while delivering a pilot design and thorough handover documentation.