Contract OT Network Architect - Remote, Outside IR35

Contract OT Network Architect - Remote, Outside IR35

Posted 2 weeks ago by 9NEXUS on Linkedin

Negotiable
Outside
Remote
United Kingdom

Summary: The role of OT Network Architect involves designing and implementing a secure eSCADA network architecture for a major infrastructure project, focusing on On-Premise, AWS, or Azure environments. The architect will collaborate with IT & OT teams and security specialists to ensure the network aligns with enterprise security best practices and operational resilience. Key responsibilities include developing network landing zones, designing Zero Trust OT architectures, and managing WAN connectivity. The position requires proven experience in SCADA environments and strong expertise in both on-premise and cloud networking.

Key Responsibilities:

  • Develop a full platform network landing zone for On-Premise, AWS, or Azure.
  • Design OT LAN architecture, ensuring Zero Trust principles are applied.
  • Define secure and redundant WAN paths from on-premise to cloud hosting.
  • Evaluate current network infrastructure for existing and new eSCADA solutions.
  • Define traffic separation and security policies for IT and OT networks.
  • Engage with technical teams, security specialists, and business stakeholders.

Key Skills:

  • Proven experience designing and implementing OT network architectures in SCADA environments.
  • Strong expertise in On-Premise networking: routers, firewalls, switches, VPN concentrators.
  • Expertise in Cloud Networking (Azure, AWS, VMware).
  • Experience with STW OT & IT network infrastructure components.
  • Understanding of Zero Trust Architecture for OT environments.
  • Strong knowledge of resilient WAN architectures and multi-path routing.
  • Familiarity with PSTN, ISDN, 4G Arkessa, and MPLS OT connectivity.
  • Strong documentation and stakeholder communication skills.

Salary (Rate): undetermined

City: undetermined

Country: United Kingdom

Working Arrangements: remote

IR35 Status: outside IR35

Seniority Level: undetermined

Industry: IT