OT Security Engineer

• *Job Description – OT Security Engineer (8\+ Years Experience)**
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We are seeking a highly experienced **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 62443** and **NIST SP 800\-82** standards
• Assess, secure, and optimize **Industrial Control Systems (ICS)** including PLCs, SCADA, RTUs, and MES platforms
• Conduct comprehensive **OT risk assessments** , vulnerability management, and compliance evaluations
• Implement and manage **OT SOC/SIEM solutions** such as Splunk, Microsoft Sentinel, and IBM QRadar
• Deploy and operate **OT threat detection and monitoring solutions** (e.g., Nozomi, Claroty, Tenable)
• Design and secure **IoT platforms** including Azure IoT, AWS IoT, and AWS Greengrass
• Architect and manage **edge data pipelines** for data collection, filtering, processing, and secure cloud transmission
• Define and execute **incident response strategies** tailored for OT environments
• Manage the **end\-to\-end lifecycle of OT/IoT devices** (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 infrastructure** , ensuring reliable data handling and secure communications
• Implement **Zero Trust principles** 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 connectivity** (5G/LTE, SD\-WAN, LAN/WAN integration)
• Oversee **edge nodes, clusters, and OS/container platforms** (Linux, Windows IoT, Kubernetes)
• Ensure **resilience and disaster recovery** through geo\-redundancy and failover strategies
• Support **edge observability and telemetry pipelines** (Kafka, streaming platforms, time\-series databases)
• Optimize **performance, power consumption, and sustainability** of edge deployments

### **Technical Skills**

• Strong hands\-on experience in **plant OT environments** (PLC, SCADA, RTU, MES)
• Expertise in **IoT security and edge architecture implementation**
• Solid understanding of **device identity, PKI, and secure communication protocols**
• Experience with **IT–OT network segmentation and Zero Trust architectures**
• Familiarity with **AI/ML\-based anomaly detection** in industrial environments (preferred)
• Strong analytical, problem\-solving, and operational ownership mindset
• Excellent **communication and stakeholder management skills**
• Ability to collaborate effectively with **CISOs, plant teams, IT, and SOC teams**
• Proven track record in **leading security assessments and driving OT security initiatives**

### **Experience**

• Minimum **8\+ years of experience** in **OT cybersecurity / industrial security**
• Proven experience in **manufacturing, energy, or similar industrial sectors**