OT/IoT Security Engineer

il y a 3 heures


Paris, France Blackfluo.ai Temps plein

Protecting critical infrastructure and connected systems through specialized OT and IoT cybersecurity strategiesPosition OverviewWe are looking for an experienced OT/IoT Security Engineer to lead the protection of industrial control systems (ICS), SCADA environments, and Internet of Things (IoT) devices. This cross-disciplinary role involves assessing and securing operational networks, implementing intrusion detection and segmentation strategies, and mitigating the unique risks associated with connected devices and physical systems.You will work at the intersection of cybersecurity, industrial automation, and embedded systems to enhance security across both legacy and modern infrastructure.Key ResponsibilitiesOT SecurityAssess and secure ICS/SCADA systems , PLCs, and HMIs across manufacturing, energy, or utility environmentsImplement network segmentation, firewall policies, and industrial DMZs to isolate critical systemsDeploy OT-specific intrusion detection and anomaly detection tools (e.g., Nozomi, Claroty, Dragos)Perform risk assessments and develop mitigation plans for OT assets and protocols (Modbus, DNP3, OPC, etc.)IoT SecuritySecure IoT devices and edge computing nodes from firmware to network layerEnforce device identity, secure boot, and patch management for connected assetsEvaluate IoT ecosystems for vulnerabilities such as hardcoded credentials, unencrypted comms, and weak APIsIntegrate IoT asset inventories with security monitoring and SIEM systemsAlign OT and IoT security practices with standards like ISA/IEC 62443 , NIST SP 800-82 , and ISO 27019Support incident response for OT/IoT environments and conduct tabletop exercisesCollaborate with IT, engineering, and compliance teams to develop unified risk management policiesContribute to security architecture reviews and vendor security assessments for OT/IoT platformsRequired Qualifications+5 years of experience in cybersecurity, with a focus on OT, ICS, SCADA , or IoT environmentsStrong knowledge of industrial protocols (e.g., Modbus, PROFINET, BACnet, OPC-UA) and embedded systemsExperience implementing network security for OT/IoT (e.g., segmentation, zoning, anomaly detection)Understanding of device-level security principles , including secure firmware, physical hardening, and endpoint protectionProficiency in cybersecurity tools (SIEM, IDS, vulnerability scanners) tailored to OT/IoT use casesPreferred QualificationsCertifications such as GICSP , ISA/IEC 62443 , CISSP , or CEHExperience with IoT security testing tools (e.g., Shodan, Binwalk, MQTT testing tools)Familiarity with convergence between IT and OT environments, and Zero Trust principles in OT networksBackground in critical infrastructure, smart cities, smart buildings, or industrial automationStrong documentation, risk reporting, and stakeholder communication skills #J-18808-Ljbffr


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