ph3Key Responsibilities /h3 pResponsibilities include but are not limited to: /p ul liNetwork Architecture Segmentation /li liDefine and own secure OT network architecture aligned to IEC 62443 zone and conduit models utilising firewalls and data diodes. /li liEstablish defense-in-depth architecture across OT, IT/OT DMZ, safety systems and remote access zones. /li liDefine secure connectivity for OT–IT, OT–Cloud and vendor integrations. /li liReview and approve OT network changes for cyber-physical risk impact. /li liIntegrate identity-aware networking and Zero Trust principles where operationally feasible. /li liOversee firewall rule lifecycle management, including review, validation, documentation and periodic recertification. /li liEnsure firewall configurations support deterministic traffic, legacy protocols and high availability requirements in OT environments. /li liRemote Access (Internal Third Party) /li liArchitect and govern secure remote access solutions for OT environments, including vendor and contractor access. /li liEnsure all remote access is identity-based, least-privilege, monitored and auditable. /li liDefine secure patterns for jump hosts, architectures and privileged session management. /li liEnforce segmentation and time-bound access for remote connections to OT assets. /li liAlign remote access controls with safety, availability and regulatory requirements. /li liEstablish incident-ready remote access capabilities, including rapid isolation and revocation. /li liIdentity Access Management (IAM) /li liDefine OT-specific IAM architecture and control models aligned with risk tolerance.



/li liAbility to identify and mitigate potential security risks and vulnerabilities related to identity and access management. /li liGovern the use of Active Directory and directory services in OT, including trust relationships and segmentation boundaries. /li liEnsure strong authentication (e.g., MFA, certificates) for privileged and remote OT access, adapted to operational constraints. /li liDefine and oversee Identity Governance Administration (IGA) processes for OT users, vendors and service accounts. /li liArchitect and govern Privileged Access Management (PAM) for engineering systems, administrators and service accounts. /li liManage machine and non-human identities, including certificates, keys and service accounts. /li liEnsure identity controls support availability, safety and incident response requirements. /li liData Management (Security Access Focused) /li liDefine and govern secure OT data flows across zones, conduits and trust boundaries. /li liEnsure OT data access is identity-controlled, role-based and least-privilege. /li liDesign and approve architectures for OT data integration (historians, cloud platforms etc). /li liEnsure encryption, integrity and secure transport for OT data in transit. /li liSupport data classification and risk assessment for safety-critical and regulated OT data. /li liEnsure data architectures do not compromise operational availability or safety. /li liCrossover Responsibilities /li liTranslate OT cyber risks into business, safety and operational risk language. /li liSupport audits, regulatory assessments, and assurance activities related to OT cyber risk. /li liAct as a bridge between engineering, operations, IT and security teams. /li /ul /p #J-18808-Ljbffr

📌 Global OT Security Architect – Identity & Networks (Madrid)
🏢 Impala Terminals
📍 Madrid