Group Operational Technology Officer - AECI Limited


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AECI Limited IT / Telecom Jobs in Gauteng


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Job Description

Required outputs: Functional

  • Ensure that OT systems and processes adhere to relevant industry standards, regulations, and internal policies.
  • Stay updated on standards such as ISA-95 (for manufacturing operations management), ISO 62443 (for industrial automation and control systems security), and other relevant guidelines.
  • Ensure compliance with regulations like OSHA (Occupational Safety and Health Administration).
  • Prepare for and support regulatory audits. Maintain documentation and evidence of compliance activities.
  • Implement and enforce internal policies related to OT system use, data integrity, and security.
  • Ensure that software applications used in OT environments function correctly and securely.
  • Oversee the installation, configuration, and maintenance of OT applications. Ensure they meet performance and security requirements.
  • Implement role-based access controls to ensure only authorized personnel can interact with specific applications.
  • Regularly test and validate applications to ensure they perform as expected and do not introduce vulnerabilities.
  • Manage updates and patches to OT applications, ensuring they do not disrupt operations.
  • Implement and manage cybersecurity measures to protect OT systems from threats.
  • Conduct regular security assessments and apply necessary patches and updates.
  • Ensure compliance with industry regulations and internal security policies.


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  • Specifically focus on securing operational technology systems from cyber threats and ensuring operational integrity.
  • Implement proactive threat detection and streamline security operations.
  • Focus on full network visibility, implement network segmentation, monitor and control network access.
  • Design and implement secure network architectures for OT systems, including segmentation and monitoring.
  • Apply security best practices to harden OT systems against unauthorized access and attacks.
  • Regularly scan for and address vulnerabilities in OT systems.
  • Compliance with OT Security Frameworks.
  • Optimize and control manufacturing processes to ensure efficient and effective operations.
  • Design and implement control systems that manage manufacturing processes accurately and reliably.
  • Continuously monitor process performance and make adjustments to improve efficiency and quality.
  • Develop and refine control strategies, including feedback and feedforward controls, to manage process variables effectively.
  • Utilize data from process control systems to identify trends, anomalies, and opportunities for improvement.
  • Manage and optimize the technology systems used to monitor and control physical processes in manufacturing.
  • Ensure seamless integration of OT systems with IT infrastructure and other enterprise systems.
  • Oversee the lifecycle of OT systems, from procurement and installation to maintenance and decommissioning.
  • Evaluate and implement new technologies to enhance manufacturing capabilities.
  • Ensure high availability and reliability of OT systems to minimize downtime and disruptions.
  • Identify, assess, and mitigate risks associated with OT systems and processes.
  • Conduct risk assessments to identify potential hazards and vulnerabilities in OT systems and processes.
  • Develop and implement strategies to mitigate identified risks, including preventive and corrective actions.
  • Analyse incidents to determine root causes and prevent recurrence.
  • Continuously monitor and review risk factors to ensure that risk management strategies remain effective.

Qualifications & Experience

  • Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field.
  • Relevant certifications (e.g., ISA certifications, cybersecurity certifications) are preferred.
  • Professional Engineer Certification, Functional Safety Design Certification-(Advantageous)
  • Minimum of 5-8 years of experience in a manufacturing, logistics & customer environment.
  • Advantageous: Experience with chemicals and explosives manufacturing
  • In depth experience of managing multi-dimensional programmes, deadlines, and large budgets.

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