Operational Technology (OT) Security Engineer

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