Role: OT Security SME (Operational Technology Security Subject Matter Expert)

Experience: 8–12+ Years

Location: Remote

Employment Type: Full-time

Company Description

Yoda Tech Pte. Ltd. helps organizations accelerate digital transformation through innovative technology solutions, automation, application development, and IT infrastructure services.

Job Summary

We are looking for an experienced OT Security SME to lead and support cybersecurity initiatives across Operational Technology (OT) environments. The ideal candidate will have strong expertise in securing industrial control systems, including SCADA, DCS, PLCs, and industrial networks, along with experience in OT security architecture, risk assessments,

incident response, and regulatory compliance.

Key Responsibilities

● Design, implement, and maintain OT cybersecurity strategies, policies, and security architectures.

● Conduct OT security risk assessments, vulnerability assessments, and gap analyses across industrial environments.

● Secure Industrial Control Systems (ICS), SCADA, DCS, PLCs, HMIs, and industrial networks.

● Develop and implement network segmentation, firewalls, secure remote access, and

OT network monitoring solutions.

● Apply OT security frameworks and standards, including IEC 62443, NIST

Cybersecurity Framework, and NIST SP 800-82.

● Identify and mitigate cybersecurity risks associated with IT/OT convergence.

● Lead OT security incident response, threat analysis, and recovery planning.

● Collaborate with IT, engineering, infrastructure, and plant operations teams to implement security controls without disrupting critical operations.

● Support OT security audits, compliance assessments, documentation, and remediation planning.

● Evaluate OT security tools,



technologies, and solutions, and provide technical guidance to stakeholders.

● Develop security procedures, best practices, and awareness programs for OT environments.

Must-Have Skills

● 8+ years of experience in cybersecurity, with substantial hands-on experience in

OT/ICS security.

● Strong knowledge of SCADA, DCS, PLCs, HMIs, and industrial communication protocols such as Modbus, DNP3, OPC UA, and PROFINET.

● Experience with OT network architecture, segmentation, firewalls, IDS/IPS, and secure remote access.

● Knowledge of IEC 62443, NIST SP 800-82, and industrial cybersecurity risk management.

● Experience in OT vulnerability management, threat detection, and incident response.

● Understanding of IT/OT integration, industrial network security, and critical infrastructure protection.

● Strong analytical, troubleshooting, documentation, and stakeholder management skills.

Valuable-to-Have Skills

● Experience with OT security solutions such as Claroty, Nozomi Networks, Dragos, or

Tenable OT.

● Relevant certifications such as GICSP, GRID, CISSP, or IEC 62443 certifications.

● Experience in industries such as manufacturing, oil and gas, energy, utilities,

pharmaceuticals, or other critical infrastructure sectors.

● Knowledge of industrial asset discovery, threat modelling, security architecture reviews, and disaster recovery planning.

● Experience leading OT security assessments, consulting engagements, or large-scale security transformation projects.

Key Competencies

● OT cybersecurity architecture and risk management

● Industrial control system security

● Security standards and regulatory compliance

● Incident response and threat mitigation

● Technical leadership and stakeholder collaboration

📌 OT Security SME (Operational Technology Security Subject Matter Expert) (India)
🏢 Yoda Tech
📍 India