Operational Technology (OT) Security Engineer

Job description

We are seeking a highly experienced **OT Security Engineer / Operational Technology (OT) Security Engineer with** deep expertise in **industrial cybersecurity, IoT security, and edge technologies** to support secure IT–OT convergence initiatives across manufacturing and industrial environments. **Key Responsibilities** - Design and implement OT cybersecurity frameworks aligned with **IEC 6244** 3 and **NIST SP 800-8** 2 standards - Assess, secure, and optimize **Industrial Control Systems (ICS** ) including PLCs, SCADA, RTUs, and MES platform - Conduct comprehensive **OT risk assessment** s, vulnerability management, and compliance evaluation - Implement and manage **OT SOC/SIEM solution** s such as Splunk, Microsoft Sentinel, and IBM QRadar - Deploy and operate **OT threat detection and monitoring solution** s (e.g., Nozomi, Claroty, Tenable) - Design and secure **IoT platform** s including Azure IoT, AWS IoT, and AWS Greengrass - Architect and manage **edge data pipeline** s for data collection, filtering, processing, and secure cloud transmission - Define and execute **incident response strategie** s tailored for OT environment - Manage the **end-to-end lifecycle of OT/IoT device** s (PLCs, RTUs, HMIs, sensors), including Device provisioning and onboarding, PKI and certificate lifecycle management, OTA updates and patch management - Design, deploy, and manage **secure edge infrastructur** e, ensuring reliable data handling and secure communications - Implement **Zero Trust principle** s in OT environments, including device identity (PKI), micro-segmentation, and secure remote access - Operate IoT and edge orchestration platforms such as **Kubernetes and IoT Edge** - Manage **edge connectivit** y (5G/LTE, SD-WAN, LAN/WAN integration) - Oversee **edge nodes, clusters, and OS/container platform** s (Linux, Windows IoT, Kubernetes) - Ensure **resilience and disaster recover** y through geo-redundancy and failover strategies - Support **edge observability and telemetry pipeline** s (Kafka, streaming platforms, time-series databases) - Optimize **performance, power consumption, and sustainabilit** y of edge deployments **Technical Skill** - Strong hands-on experience i **n plant OT environmen** ts (PLC, SCADA, RTU, MES) - Expertise i **n IoT security and edge architecture implementation** - Solid understanding o **f device identity, PKI, and secure communication protocols** - Experience wit **h IT–OT network segmentation and Zero Trust architecture** - Familiarity wit **h AI/ML-based anomaly detecti** on in industrial environments (preferred) - Strong analytical, problem-solving, and operational ownership minds - Excellen **t communication and stakeholder management skills** - Ability to collaborate effectively wit **h CISOs, plant teams, IT, and SOC teams** - Proven track record i **n leading security assessments and driving OT security initiatives** **Experience:** - Minim **um 8+ years of experie** nce **in OT cybersecurity / industrial security** - Proven experience **in manufacturing, energy, or similar industrial sectors**