Cromarty Automation is a trusted provider of Cyber Security, Industrial Automation, Electrical Engineering, and Renewable Energy solutions, with operations across AustraliaFor over 30 years, we've supported clients across industries including water, resources, manufacturing and infrastructure—delivering reliable, high-quality solutions that improve operational performance and asset reliabilityCromarty is seeking a Senior Cyber Security Engineer to deliver consulting engagements across solar, wind, utilities and manufacturing environments.
This role focuses on regulatory compliance, OT cyber security, and practical engineering controls for energy assets operating under the SOCIand AEMO frameworks.You will lead reviews, gap assessments, and improvement programs that span compliance management,OT security, and cloud data retention, working directly with asset owners, operators, and senior stakeholders.This is a hands‐on role — not a policy‐only or SOC position.What You'll DoReviewCritical Infrastructure Risk Management Plans (CIRMPs), and supporting systems against:SOCI obligationsAEMO Registered Participant requirementsAEMO Cyber Security FrameworkIEC***** OT Cyber Security FrameworkAssess OT and plant environments, including:SCADA, historians, PQM systems, and plant networksOperating system baselining and hardening (Windows/Linux)Patch, vulnerability,



and configuration management in OT contextsReview and design:Firewall architectures and rule sets (IT/OT boundary, zones & conduits)Network segmentation aligned to Purdue / IEC *****Secure remote and vendor accessAssess logging, monitoring, and incident readiness for cyber and compliance eventsPerform structuredgap analysesand develop practical, prioritised recommendationsProduce explicit written reports and deliver client workshops (executive and operational)What We're Looking For7+ years' experience in cyber security, OT security, or engineeringProven experience in energy, utilities, or critical infrastructureStrong hands‐on skills with:OS hardening and security baselinesFirewall configuration and network securityOT risk assessments and remediation planningAbility to engage credibly with engineers, operators, and executivesConsulting or advisory experience strongly preferredMandatory CertificationsApplicants must hold at least oneof the following:GICSPGRIDISA/IEC ***** Cybersecurity Specialist or ExpertCISSP(with demonstrable OT/energy experience)Why CromartyWork on real energy assets, not theoretical cyber problemsHigh‐impact work with regulatory and operational significanceTrusted senior role with autonomy and influenceCompetitive remuneration
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📌 Senior Cyber Security Engineer (Melbourne)
🏢 Cromarty
📍 Melbourne