OT Security Architecture Consultant

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.