Operational Technology (OT) Security Engineer
Summary
OT Security Engineer protecting manufacturing systems and plant operations in Batu Kawan, Penang. Day to day: monitoring OT alerts in Nozomi and SIEM, investigating and responding to incidents, supporting network segmentation and asset visibility, and managing OT vulnerabilities, compliance and KPI reporting.
Salary: RM 4,500 – RM 6,500 per month
About the role
Join the cybersecurity function as an OT Security professional responsible for protecting manufacturing systems, operational technology assets and plant operations. You will monitor and investigate OT security events, administer security platforms, support network security initiatives, manage OT risks and vulnerabilities, and strengthen compliance and governance across manufacturing environments.
Key responsibilities
Monitor OT security alerts generated by Nozomi and other security monitoring platforms.
Investigate OT-related cybersecurity events, anomalies and potential threats.
Coordinate incident response activities involving manufacturing systems and OT assets.
Escalate significant incidents to Global Information Security teams.
Support threat detection activities affecting plant operations.
Administer and support Nozomi OT Security Monitoring, SIEM security visibility and investigations, and OT-related detection, correlation and alert configuration.
Support OT network segmentation initiatives.
Maintain OT asset visibility and inventory.
Assess cybersecurity risks associated with OT systems and support vulnerability management activities.
Ensure adherence to OT security policies and standards.
Maintain OT cybersecurity documentation and standards.
Work with Manufacturing, Facilities and IT teams to implement and enforce security controls.
Track security findings and remediation progress.
Participate in cybersecurity awareness activities related to manufacturing operations.
Develop site-level security metrics and KPI reporting.
What we're looking for
Experience in operational technology, industrial cybersecurity, manufacturing security or a related cybersecurity discipline.
Understanding of OT environments, manufacturing systems, industrial networks and common OT security risks.
Experience with security monitoring, SIEM platforms, incident investigation and threat detection.
Familiarity with OT security platforms such as Nozomi or comparable solutions.
Knowledge of OT network segmentation, asset visibility, vulnerability management and security controls.
Strong documentation, communication, coordination and analytical skills.
Ability to collaborate effectively with Manufacturing, Facilities, IT and Global Information Security teams.
Experience tracking remediation activities and preparing security metrics or KPI reports.