OT Security Consultant

  • Australia
  • Melbourne
  • Permanent
  • Negotiable

We are seeking an experienced OT Security Consultant to support the delivery of cyber security initiatives across complex Operational Technology (OT) environments.

The successful candidate will play a key role in identifying security risks, strengthening OT security controls and supporting the implementation of cyber security frameworks across industrial systems and critical infrastructure.

Key Responsibilities

  • Conduct comprehensive OT cyber security risk assessments, security reviews and gap analyses.

  • Assess and improve security controls across SCADA, ICS, PLC, DCS and industrial control environments.

  • Design and implement OT security strategies, architectures and remediation roadmaps.

  • Perform OT vulnerability assessments and identify potential threats across industrial networks.

  • Develop and maintain OT cyber security policies, standards, procedures and governance frameworks.

  • Support compliance with IEC 62443, NIST CSF, ISO 27001 and relevant industry regulations.

  • Provide technical guidance on OT network segmentation, firewalls, secure remote access and access management.

  • Review existing OT architectures and recommend improvements to strengthen security posture.

  • Support OT asset discovery, asset inventory management and security classification.

  • Conduct security maturity assessments and develop actionable recommendations.

  • Assist with OT incident response planning, cyber resilience and disaster recovery strategies.

  • Identify and assess third-party and vendor security risks within OT environments.

  • Support the implementation of OT security monitoring, threat detection and vulnerability management solutions.

  • Collaborate with engineering, infrastructure, operations and cyber security teams to ensure security requirements are embedded into operational environments.

  • Prepare technical documentation, security assessment reports, risk registers and remediation plans.

  • Engage with business stakeholders to communicate security risks, findings and recommendations.

Skills & Experience

  • Demonstrated experience in OT/ICS cyber security consulting, engineering or security architecture.

  • Strong understanding of Operational Technology environments, including SCADA, ICS, PLC and DCS systems.

  • Experience conducting OT security risk assessments, security audits and vulnerability assessments.

  • Strong knowledge of IEC 62443, NIST CSF, ISO 27001 and relevant OT security frameworks.

  • Understanding of industrial communication protocols such as Modbus, DNP3, OPC UA and IEC 60870-5-104.

  • Experience with OT network security, segmentation, firewalls and secure remote access solutions.

  • Knowledge of OT asset discovery, vulnerability management and security monitoring technologies.

  • Familiarity with OT security platforms such as Claroty, Nozomi Networks or Microsoft Defender for IoT.

  • Experience developing OT security strategies, policies, standards and security improvement roadmaps.

  • Understanding of Australian critical infrastructure regulations, including the SOCI Act.

  • Experience supporting OT security incident response, threat modelling and cyber resilience initiatives.

  • Knowledge of IT/OT convergence and the security challenges associated with interconnected environments.

  • Experience working across utilities, energy, water, manufacturing, transport or critical infrastructure environments.

  • Ability to translate complex technical security risks into practical business recommendations.

  • Strong stakeholder engagement, communication and technical documentation skills.

  • Relevant certifications such as GICSP, CISSP, CISM or IEC 62443 qualifications will be highly regarded.

What’s on Offer

  • Opportunity to work on complex OT cyber security initiatives.

  • Exposure to critical infrastructure and industrial technology environments.

  • Work alongside experienced cyber security, engineering and operational teams.

  • Contribute to improving the security and resilience of essential operational systems.

Apply Now

If you are an experienced OT Security Consultant with a strong background in industrial cyber security and critical infrastructure, we would love to hear from you.

Apply now and Ronald may be in contact to discuss the opportunity further.

Apply now

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