OT Security Consultant

Talent Corp; Melbourne; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Complex OT projects

Critical infra exposure

Cross-functional teams

Impactful security improvements

Job summary

Talent Corp in Melbourne is seeking an experienced OT Security Consultant to support cyber security initiatives across complex OT environments. You will identify risks, strengthen controls and assist with frameworks across industrial systems.

The role involves assessing OT security risks, designing strategies and implementing remediation roadmaps, while aligning with IEC 62443, NIST CSF and ISO 27001 standards. Collaboration with engineering and operations is essential.

Qualifications

• Demonstrated OT/ICS security consulting experience.
• Expertise across SCADA/ICS/PLC/DCS environments.
• Strong knowledge of OT frameworks and industrial protocols.
• Ability to translate security into practical business actions.

Responsibilities

• Conduct OT cyber security risk assessments, reviews and gaps.
• Assess and improve security controls across OT environments.
• Design OT security strategies, architectures and roadmaps.
• Perform OT vulnerability assessments across industrial networks.
• Develop OT security policies, standards and governance.
• Ensure compliance with IEC 62443, NIST CSF, ISO 27001.
• Provide guidance on OT network segmentation and secure remote access.
• Review OT architectures and propose improvements.
• Support OT asset discovery, inventory and classification.
• Conduct security maturity assessments and give actionable recommendations.
• Assist OT incident response planning, resilience and DR strategies.
• Identify third-party vendor security risks in OT environments.
• Support OT monitoring, threat detection and vulnerability management.
• Collaborate with engineering, operations and cyber security teams.
• Prepare technical documentation, risk registers and remediation plans.
• Engage stakeholders to communicate risks and recommendations.

Skills

OT/ICS cyber security consulting

OT environments SCADA/ICS/PLC/DCS

OT security risk assessments

IEC 62443 / NIST CSF / ISO 27001

Industrial protocols Modbus/DNP3/OPCUA

OT network security & segmentation

Vulnerability management & monitoring

OT security tooling familiarity

Security strategies & roadmaps

Australian critical infrastructure SOC

Incident response & cyber resilience

IT/OT convergence

Cross-industry infra experience

Business risk translation

Stakeholder engagement & documentation

Certs like GICSP/CISSP/CISM/IEC 62443

Tools

Claroty

Nozomi Networks

Microsoft Defender for IoT

Job description

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, I C S, P L C, D C S 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, I C S, P L C and D C S 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 modeling 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.

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