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OT Security Architecture Consultant

Summary

Design and implement OT security controls for pharma clients, aligning to IEC 62443 standards and industrial network segmentation principles.

Information about the project:

  • Industry: pharma

  • Rate: we’re open to your suggestions

  • Fully remote

Main responsibilities:

  • Define and refine OT security controls aligned to IEC 62443-3-3 foundational requirements.

  • Develop a reusable OT security baseline aligned to defined security profiles and applicable IEC 62443 principles.

  • Produce site-specific security profiles for varied OT environments, differentiating between critical and non-critical sites.

  • Ensure alignment with industrial network segmentation principles and zone models.

  • Identify gaps in existing controls and define necessary new requirements.

  • Provide advisory support on OT security design and implementation approaches.

Key requirements

  • Strong practical experience in OT / ICS security architecture.

  • Proven knowledge of IEC 62443 standards (especially 2-1, 3-2, and 3-3).

  • Experience in industrial environments, such as manufacturing or laboratories.

  • Understanding of network segmentation, zones, and conduits.

  • Experience with OT applications in Cloud environments.

  • Ability to define practical and implementable security controls.

  • Experience working collaboratively within cross-functional teams (engineering, IT, security).

Nice to have

  • 8+ years of experience in cyber security, with a significant OT focus.

  • Background as an OT Security Architect or Industrial Cyber Security Specialist.

  • Hands-on experience with ICS technologies (e.g., SCADA, PLCs, DCS).

  • Experience in implementing or designing IEC 62443-aligned security solutions.

  • Strong communication skills with an ability to work independently.

  • Experience in translating standards into practical engineering requirements.

See also