OT Security Engineer - ICS/SCADA & IEC 62443

Randstad Malaysia; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Randstad Malaysia invites applications for an OT Security Technical Officer to strengthen cybersecurity across industrial OT environments. You will define, evaluate and improve OT security concepts and controls, ensuring alignment with IEC 62443, NIST and regulatory requirements.

Key duties include designing and implementing OT security controls, enhancing OT architecture, conducting vulnerability assessments and translating technical risks into business impact.

Qualifications

• Bachelor degree in engineering, information technology, industrial automation, or cybersecurity.
• Master's degree or relevant certifications are a plus.
• Certifications: GICSP, GRID, ISA/IEC62443 Cybersecurity Expert, CISSP.

Responsibilities

• Design and implement OT security controls aligned with IEC 62443, NIST, and other standards.
• Improve OT security architecture: network segmentation, IT/OT identity separation, secure remote access, device hardening.
• Conduct vulnerability assessments and strengthen controls across ICS/SCADA environments.
• Translate cybersecurity risks into business and operational impact for stakeholders.
• Collaborate with engineering, plant, maintenance, and IT security teams to embed security in operational processes.
• Support continuous improvement across OT security, threat detection, and resilience capabilities.

Skills

OT Cybersecurity

ICS/SCADA

IEC 62443

NIST

ICS

Education

BSc in Engineering

Master's degree or certifications (preferred)

GICSP

GRID

ISA/IEC62443 Cybersecurity Expert

CISSP

Tools

Job description

Randstad Malaysia invites applications for an OT Security Technical Officer to strengthen cybersecurity across industrial OT environments. You will define, evaluate and improve OT security concepts and controls, ensuring alignment with IEC 62443, NIST and regulatory requirements.

Key duties include designing and implementing OT security controls, enhancing OT architecture, conducting vulnerability assessments and translating technical risks into business impact.