OT Security Technical Officer

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

about the company

Join a global organisation at the forefront of innovation, with a strong commitment to building secure, resilient and sustainable operations across its international business.

You will be part of a collaborative and inclusive environment that brings together technology, engineering and operational teams across multiple countries. The organisation offers strong learning and development opportunities, international exposure and the opportunity to contribute to meaningful regional and global initiatives

about the job

We are looking for an OT Security Technical Officer to play a key role in strengthening and advancing cybersecurity across industrial and operational technology environments.

You will be responsible for defining, evaluating and improving OT security concepts and controls across platforms and technologies, ensuring alignment with industry standards and regulatory requirements.

Key responsibilities include:

• Designing and implementing OT security controls aligned with IEC 62443, NIST and other relevant standards
• Enhancing OT security architecture, including network segmentation, IT/OT identity separation, secure remote access and device hardening
• Conducting vulnerability assessments and strengthening security controls across ICS/SCADA environments
• Translating technical cybersecurity risks into business and operational impact
• Working closely with engineering, plant, maintenance and IT security teams to embed security into operational processes
• Supporting continuous improvement across OT security, threat detection and resilience capabilities

This is an excellent opportunity for a cybersecurity professional who wants to work at the intersection of cybersecurity, industrial technology and operational resilience.

about the manager/team

You will work as part of a collaborative, cross-functional environment involving stakeholders across engineering, plant operations, maintenance, logistics, after-market services and IT security.

The role requires someone who is comfortable engaging with both highly technical teams and business stakeholders, with the ability to translate complex OT cybersecurity risks into practical actions and business impact.

You will also gain exposure to regional and global initiatives while working alongside an international team with opportunities for continuous learning and career development.

skills

OT Cybersecurity, ICS/SCADA, IEC 62443, NIST, ICS

qualifications

BSc in Engineering, Information Technology, Industrial Automation, or Cybersecurity; Master's and/or relevant certifications are a plus: GICSP, GRID, ISA/IEC62443 Cybersecurity Expert, CISSP

education

Bachelor Degree