Hybrid Security Architect – OT, IOT

at ASSA ABLOY Opening Solutions

• Job title: Security Architect – OT, IOT
• Job type: Full Time
• Experience level: Senior, Lead
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Cyber Security, IoT
• Location requirements: Hybrid, Chennai, India

About the role

• Security Architect designing security frameworks to protect industrial control and IoT systems. Collaborating with teams to ensure compliance and mitigate cyber threats in OT environments.

Responsibilities

• Develop and maintain security architecture for OT and IoT environments, ensuring alignment with enterprise security standards and regulatory requirements.
• Assess risks and vulnerabilities in industrial control systems (ICS), SCADA networks, and IoT deployments.
• Design and implement network segmentation strategies for OT environments to minimize attack surfaces.
• Collaborate with engineering, manufacturing, and IT teams to integrate security controls into OT and IoT systems.
• Define and enforce security policies for device onboarding, firmware updates, and lifecycle management.
• Evaluate and recommend security technologies for OT and IoT, including anomaly detection, secure gateways, and encryption solutions.
• Conduct threat modeling and security assessments of existing and new OT/IoT projects.
• Provide guidance on compliance with standards such as IEC 62443, NIST CSF, and ISO 27001.
• Support awareness training and incident response activities related to OT and IoT systems.
• Stay current with emerging threats, technologies, and best practices in OT and IoT security.

Requirements

• 8+ years of experience in cybersecurity, with at least 3 years focused on OT and IoT environments.
• Strong knowledge of ICS/SCADA systems, industrial protocols (Modbus, DNP3, OPC-UA), and IoT communication standards (MQTT, CoAP).
• Experience implementing network segmentation and Zero Trust principles in OT environments.
• Familiarity with security tools for OT/IoT such as intrusion detection systems, asset inventory solutions, and secure remote access technologies.
• Hands-on experience with risk assessments and vulnerability management in OT/IoT contexts, including implementation of compensating measures.
• Preferred certifications: CISSP, GICSP, ISA/IEC 62443 Cybersecurity Expert.
• Proven ability to independently drive security related projects.
• Proficient in MS Office applications.
• Familiarity with OT monitoring tools, IoT platforms, and security configuration management.

Benefits

• Empowerment: You’ll work as part of a global team in a flexible work environment, learning and enhancing your expertise.
• Innovation: You embrace challenges and want to drive change. We are open to ideas, including flexible work arrangements, job sharing or part-time job seekers.
• Integrity: You are results-orientated, reliable, and straightforward and value being treated accordingly. We want all our employees to be themselves to feel appreciated and accepted.