Senior Advanced Cyber Security Architect / Engineer – OT / ICS

Senior Advanced Cyber Security Architect / Engineer – OT / ICS

Perth or Brisbane

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.

Make the Best You.

Working at Honeywell is not just creating incredible things. You will collaborate with top minds, grow through continuous learning, and thrive in an environment that rewards and celebrates achievements.

Join Us and Make an Impact.

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.
- Robust 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.

Who We Are

The Future Is What We Make It at Honeywell. From sustainable aviation fuel and life-saving healthcare sensors to collaborating on every NASA space mission since the 1950’s, over 100 years of innovation has always been driven by an investment in our people. Learn more about Honeywell: youtube.com/watch?v=CG-rmG0eKLk

Discover More

Our focus at Honeywell is innovation that drives business, improves the bottom line and creates solutions for our customers and communities around the world. There’s a lot for you to discover. Our solutions, our case studies, our #Futureshapers, and so much more.

Honeywell is an equal opportunity employer, and we support a diverse workforce. Qualified applicants will be considered without regard to age, race,

📌 Senior Advanced Cyber Security Architect (Brisbane)
🏢 Honeywell Technologies
📍 Brisbane