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Responsibilities include but are not limited to:
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- Network Architecture & Segmentation
- Define and own secure OT network architecture aligned to IEC 62443 zone and conduit models utilising firewalls and data diodes.
- Establish defense-in-depth architecture across OT, IT/OT DMZ, safety systems and remote access zones.
- Define secure connectivity for OT–IT, OT–Cloud and vendor integrations.
- Review and approve OT network changes for cyber-physical risk impact.
- Integrate identity-aware networking and Zero Trust principles where operationally feasible.
- Oversee firewall rule lifecycle management, including review, validation, documentation and periodic recertification.
- Ensure firewall configurations support deterministic traffic, legacy protocols and high availability requirements in OT environments.
- Remote Access (Internal & Third Party)
- Architect and govern secure remote access solutions for OT environments, including vendor and contractor access.
- Ensure all remote access is identity-based, least-privilege, monitored and auditable.
- Define secure patterns for jump hosts, architectures and privileged session management.
- Enforce segmentation and time-bound access for remote connections to OT assets.
- Align remote access controls with safety, availability and regulatory requirements.
- Establish incident-ready remote access capabilities, including rapid isolation and revocation.
- Identity & Access Management (IAM)
- Define OT-specific IAM architecture and control models aligned with risk tolerance.
- Ability to identify and mitigate potential security risks and vulnerabilities related to identity and access management.
- Govern the use of Active Directory and directory services in OT, including trust relationships and segmentation boundaries.
- Ensure strong authentication (e.
📌 Global OT Security Architect – Identity (Madrid)
🏢 Impala Terminals
📍 Madrid
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