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OT Security Principal Consultant

Infosys · BANGALORE
Posted July 17, 2026 via Infosys

We are looking for an experienced OT / ICS Security Specialist with strong expertise in industrial automation and cybersecurity. The ideal candidate should possess deep knowledge of OT security frameworks, industrial control systems, and critical infrastructure environments, along with hands-on experience in delivering industrial automation projects involving PLC, SCADA, HMI, and DCS systems.

Assess, design, and implement cybersecurity solutions for OT/ICS environments.

Develop and maintain secure OT architectures aligned with industry standards and best practices.

Conduct OT security assessments, risk analysis, vulnerability management, and remediation activities.

Support IT-OT convergence initiatives, network segmentation, secure remote access, and OT cloud deployments.

Collaborate with engineering, operations, and cybersecurity teams to ensure the security and resilience of industrial systems.

Secure and support mission-critical OT environments while ensuring operational continuity.

Provide technical guidance on OT security controls, policies, and compliance requirements.

Participate in incident response, security monitoring, and threat mitigation activities for OT environments.

9–15 years of experience in OT / ICS Security.

Strong hands-on experience in PLC, SCADA, HMI, and DCS systems through engineering, commissioning, support, maintenance, or modernization projects.

Deep expertise in:

IEC 62443

NIST SP 800-82

ISA Standards

OT Cybersecurity Best Practices

Strong understanding of:

Industrial Control Systems (ICS)

Plant Operations

Industrial Networks and Communication Protocols

Control Network Architectures

Proven experience in:

IT-OT Convergence

Network Security & Segmentation

OT Security Architecture

OT Cloud Environments

Experience securing critical infrastructure environments such as:

Manufacturing

Oil & Gas

Mining

Utilities

Energy

Industrial Facilities

Experience with OT security monitoring, vulnerability management, and incident response solutions is preferred.

Certifications such as GICSP, ISA/IEC 62443, CISSP, CISM, or equivalent will be an added advantage.

Strong stakeholder management and problem-solving skills.

Ability to work with cross-functional teams in global delivery environments.

Experience in Industry 4.0, Digital Transformation, and Smart Manufacturing initiatives is desirable.
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