Senior Advanced Cyber Security Architect / Engineer – OT / ICS in Perth

Start your career by making an impact and real connections with some of the most meaningful challenges around. When you join Honeywell, you become a member of our performance culture comprised of diverse leaders, thinkers, innovators, dreamers, and doers who are changing the future.

We are seeking a highly experienced Senior Advanced Cyber Security Architect / Engineer to deliver cybersecurity consulting, architecture, risk assessment, and implementation services across Operational Technology (OT) and Industrial Control System (ICS) environments. This is an exciting opportunity to work with leading mining, energy, utilities, and industrial customers, helping them strengthen cyber resilience and align with industry standards such as IEC 62443.

As a Senior Advanced Cyber Security Architect / Engineer, you will act as a trusted advisor to customers, leading cybersecurity assessments, architecture design, and implementation activities across complex OT environments. You will facilitate customer workshops, conduct risk assessments, develop security architectures, and provide technical leadership on cybersecurity projects supporting critical infrastructure operations.

Key Responsibilities:

• Lead and deliver OT/ICS cybersecurity consulting, architecture, assessment, and implementation projects for industrial customers.
• Conduct IEC 62443 Cyber Security Risk Assessments and develop remediation roadmaps.
• Facilitate customer workshops and engage stakeholders to identify cybersecurity risks and requirements.
• Develop Zone & Conduit models, Security Level Targets (SLTs), and Cyber Security Requirements Specifications (CRS).
• Design secure OT cybersecurity architectures including network segmentation, Industrial DMZs, and secure remote access solutions.
• Provide technical leadership and trusted cybersecurity guidance throughout the project lifecycle.

Key Experience & Capabilities:

• 10+ years' experience in Cyber Security, OT Security, Network Security, Industrial Automation, or related disciplines.
• Hands-on experience conducting IEC 62443 Cyber Security Risk Assessments within OT/ICS environments.
• Strong knowledge of IEC 62443, NIST Cybersecurity Framework, and ISO 27001.
• Experience developing Zone & Conduit models, Security Level Targets (SLTs), and cybersecurity architecture deliverables.
• Proven customer-facing consulting, workshop facilitation, and stakeholder management experience.
• CISSP, GICSP, IEC 62443, CCNA, CCNP, or equivalent certifications highly regarded.

We Value:

• Experience with Industrial Control Systems (ICS), SCADA, Distributed Control Systems (DCS), and Operational Technology environments.
• Knowledge of network security technologies including firewalls, IDS/IPS, SIEM, network segmentation, and secure remote access.
• Experience performing vulnerability assessments using Nessus, Nmap, or similar tools.
• Experience with Cisco networking technologies, Active Directory, DNS, VMware, and Windows/Linux security.
• Strong analytical, troubleshooting, and problem-solving skills within complex OT and IT environments.
• Mining, Utilities, Energy, Oil & Gas, Manufacturing, or Critical Infrastructure industry experience is highly desirable.

Geographic Scope & Travel Requirements:

Requires up to 40% travel across Australia.

Industry Experience Preferred:

Operational Technology (OT), Industrial Control Systems (ICS), Mining, Energy, Utilities, Oil & Gas, Manufacturing, and other Critical Infrastructure sectors.