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OT Network Architect

  • Senior
  • Remote, 
  • Hybrid, 
  • Office
  • Multiple locations Show all
This offer base language is English. Translate into Ukrainian.
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Technologies & tools

We are currently looking for an experienced OT Network Architect to join a strategic, large-scale project for a global leader in the energy sector.

This role offers a unique opportunity to take part in the design of OT network architecture and the segmentation of IT and OT networks across approximately 70 manufacturing sites worldwide. You will play a key role in shaping the security and connectivity landscape of industrial environments on a global scale.

Your tasks

  • Design and develop logical and physical network architecture documentation to support IT/OT network segmentation across global industrial sites
  • Create and maintain High-Level and Low-Level Design (HLD/LLD) architecture documents
  • Lead the design and deployment of OT network solutions in complex, multi-site environments
  • Apply knowledge of networking fundamentals and segmentation principles to design secure and resilient infrastructures
  • Identify and implement appropriate technologies to support evolving business and operational needs
  • Ensure alignment of OT network designs with broader IT infrastructure and cybersecurity strategies
  • Proactively identify risks and define mitigation strategies, including recommending suitable security controls for critical systems
  • Collaborate with cross-functional teams to integrate OT systems such as SCADA, DCS, and PLCs into secure network architectures
  • Maintain a holistic approach to network design, balancing availability, security, and industrial operation requirements
  • Work independently and take ownership of assigned tasks, ensuring high-quality, timely delivery of solutions

Requirements

  • Background in creating Logical and Physical Design documents to support IT/OT Network Segmentation
  • Proven track record in developing and updating High-Level and Low-Level Design (HLD/LLD) Architecture Documents
  • Extensive OT Network expertise with solid knowledge of networking fundamentals and segmentation
  • Hands-on practice in architecting and deploying global solutions within complex environments
  • Familiarity with existing, new, and emerging technologies, with the ability to apply them to business designs and models
  • Solid understanding of broader Infrastructure and Security domains
  • Self-motivated, capable of working independently, taking initiative, and delivering results without constant oversight
  • Focused on a holistic approach, considering unique industrial constraints to balance security, availability, and operational requirements
  • Skilled in developing risk mitigation strategies and recommending appropriate security controls to safeguard critical assets
  • Practical exposure to operational technology systems in industrial environments (SCADA, DCS, PLCs, and other control systems)
  • Deep understanding of networking concepts, protocols, and architectures, including TCP/IP, subletting, routing, switching, VLANs, firewalls, and segmentation principles
  • Fluent Polish and residing in Poland required

Job no. 250609-3GRLQ

Вакансія № 250609-3GRLQ

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OT Network Architect

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