ARCHITECT - IOT Security

Role overview

ARCHITECT - IOT Security at Happiest Minds

Conduct OT Cyber Security Risk Assessments across industrial environments.

Role Summary: We are seeking an experienced OT Security Professional with strong expertise in OT Risk Assessments, Network Segmentation, Security Zoning, Industrial IDS Deployment, and OT Security Architecture.

Responsibilities

• Perform asset discovery, criticality assessment, and cyber risk analysis.
• Design and implement OT Network Segmentation and Security Zoning architectures.
• Develop Industrial DMZ architecture and secure remote access solutions.
• Deploy, configure, and optimize Industrial Intrusion Detection Systems (IDS) and monitoring solutions.
• Perform security gap assessments against IEC 62443 and NIST SP 800-82 requirements.
• Create OT Security policies, standards, and technical procedures.
• Review OT network architecture and recommend security improvements.
• Support incident response and threat hunting activities in OT environments.
• Coordinate with plant operations, engineering, and IT security teams on OT security initiatives.
• Develop road maps and cybersecurity improvement programs.
• Required

Required qualifications

• Bachelor's Degree in Engineering, Computer Science, Information Security, or related field.
• Strong understanding of industrial automation and control systems.
• Added Advantage: IEC 62443 Fundamentals Specialist Nozomi Certified Engineer Claroty Certified Professional Desired
• Experience securing Manufacturing, Power & Utilities, Oil & Gas, Pharma, Metals, Mining, or Critical Infrastructure environments.
• Experience delivering OT security consulting and assessment engagements.
• Hands-on experience with industrial firewalls, segmentation projects, and OT monitoring deployments.
• Ability to interact with plant management, engineering teams, and executive stakeholders.
• Key Competencies: OT Risk Assessment Network Segmentation & Zoning IDS Deployment & Tuning IEC 62443 Compliance NIST 800-82 Framework Implementation Security Architecture Design Industrial Network Analysis Stakeholder Management Technical Documentation & Reporting

Required skills

• OT Security OT Security Risk Assessment Vulnerability Assessment & Risk Management OT Security Architecture Review Industrial Asset Discovery IT-OT Network Security: Network Segmentation Security Zoning & Conduits Industrial DMZ Design Firewall Rule Review Secure Remote Access Industrial IDS / Monitoring, Experience with one or more: Nozomi Networks Claroty Armis Dragos Cisco Cyber Vision Microsoft Defender for IoT Industrial Protocols Knowledge: Modbus DNP3 OPC OPC-UA BACnet PROFINET EtherNet/IP IEC 61850 Standards & Frameworks Knowledge & Strong understanding of: IEC 62443 Series NIST SP 800-82 NIST Cyber Security Framework (CSF) ISA/IEC Security Models Purdue Reference Architecture

Employment details

• Location: Bengaluru

Additional role details

• The candidate should have hands-on experience securing Industrial Control Systems (ICS), SCADA environments, and critical infrastructure while aligning security programs with IEC 62443 and NIST SP 800-82 standards.