OT Network Security
Key Responsibilities:
- Conduct information-gathering workshops, stakeholder interviews, and coordinate system access for assessment activities
- Collect and analyze network traffic data (PCAP files) to understand and map current OT network architecture
- Perform OT network scanning, asset discovery, and vulnerability identification using OT security monitoring tools
- Define and validate assessment scope by identifying OT assets and reconciling existing asset inventories
- Conduct risk and gap assessments aligned with industry standards and frameworks such as IEC 62443 and NIST CSF
- Evaluate current OT security posture and assign risk ratings based on identified vulnerabilities and gaps
- Develop phased OT Security Roadmaps with prioritized short-, medium-, and long-term recommendations
- Prepare detailed remediation plans and provide recommendations for OT security architecture improvements
- Document findings, assessment outcomes, and technical recommendations in clear and professional reports
- Collaborate with internal teams and stakeholders to support project delivery and security improvement initiatives
Key Requirements:
- Minimum 2–7 years of experience in OT Security, Cybersecurity, Network Security, or related domains
- Hands-on experience working in OT/ICS/SCADA environments
- Strong understanding of OT network architecture, industrial protocols, and cybersecurity principles
- Experience in asset discovery, vulnerability assessment, and network traffic analysis
- Familiarity with OT security frameworks and standards such as IEC 62443 and NIST CSF
- Experience with OT security tools such as Nozomi Guardian or equivalent platforms is an advantage
- Strong analytical, problem-solving, and documentation skills
- Good communication and stakeholder management abilities
- Ability to work independently and collaboratively in project environments
Preferred Qualifications:
- Relevant cybersecurity certifications are an advantage (e.g., GICSP, CISSP, CEH, CompTIA Security+)
- Experience in security assessment, risk management, or OT security consulting projects
- Knowledge of OT security architecture and segmentation best practices
Kuala Lumpur
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