Job Description

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- $235-$250k incl. Super + Bonus, large complex critical infrastructure
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- Work with some of the best people in the industry
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Join a complex, large-scale organisation in a highly influential OT security architecture position. You'll help shape how security is designed across critical operational environments, working across cyber security, technology, engineering and operational teams. This is a senior individual contributor role for someone who can move comfortably between deep technical conversations and executive-level decision making.

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You'll have genuine ownership of architecture direction, tackle complex security challenges and help ensure security remains practical, proportionate and embedded into the way operational technology is designed and delivered.

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About the role

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- Set the security architecture direction for complex and highly connected OT environments.
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- Shape secure network design, segmentation, connectivity and access across operational systems.
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- Provide architecture guidance across major technology programmes and new operational capabilities.
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- Assess technical risk,



challenge proposed designs and recommend pragmatic security controls.
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- Work closely with cyber, engineering, infrastructure and operational leaders to solve complex security problems.
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- Influence strategic decisions, remove technical roadblocks and help mature the organisation's OT security capability.
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About you

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- Proven experience in OT/ICS security architecture within large, complex or critical operational environments.
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- Strong knowledge of industrial networking, segmentation, firewalls, routing and secure remote connectivity.
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- Practical understanding of SCADA, DCS, PLC environments and common industrial communication protocols.
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- Experience applying recognised OT security frameworks such as IEC 62443 and NIST 800-82.
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- Exposure to OT visibility, monitoring, privileged access or secure access technologies.
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- Robust stakeholder skills with the credibility to challenge, influence and build alignment across technical and operational teams.
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📌 Principal OT Security Architect (Victoria)
🏢 Emmbr
📍 Victoria