Operational Technology Engineer Cyber Security

Not just a job but a career

Yokogawa award winner for Best Asset Monitoring Technology and Best Digital Twin Technology at the HP Awards is a leading provider of industrial automation test and measurement information systems and industrial services in several industries.

Our aim is to shape a better future for our planet through supporting the energy transition (bio)technology artificial intelligence industrial cybersecurity etc. We are committed to the United Nations sustainable development goals by utilizing our ability to measure and connect.

About the Team
Our 18000 employees work in over 60 countries with one corporate mission to co-innovate tomorrow. We are looking for dynamic colleagues who share our passion for technology and care for our return we offer you great career opportunities to grow yourself in a truly global culture where respect value creation collaboration integrity and gratitude are highly valued and exhibited in everything we do.

At Yokogawa we combine over 100 years of innovation with a modern agile approach to delivering solutions that make a real difference. Were building a culture of curiosity inclusion and excellencehelping industrial customers achieve a brighter more secure future.

We are seeking an Operational Technology Engineer - Cyber Security to join Yokogawas high-performing team based in ourSydney this role you will be essential in safeguarding industrial control systems (ICS) and operational technology (OT) networks across complex process environments. Your responsibilities will include designing and implementing secure network architectures that protect our customers automation assets ensuring reliability safety and peace of mind.

What youll do:

• Lead Cybersecurity Design & Architecture Develop secure OT network architectures using defence-in-depth strategies network segmentation and secure remote access principles that balance performance safety and protection.
• Execute Engineering Solutions Support the Lead Engineer in delivering cybersecurity tasks such as risk assessments security control implementation and ensuring compliance with client and industry requirements.
• Integrate Cybersecurity Across Projects Work with project managers to embed cybersecurity into every project stage from design and procurement through to configuration and delivery.
• Validate & Test Systems Conduct cybersecurity-focused Factory and Site Acceptance Testing (FAT/SAT) to ensure secure configurations and compliance.
• Secure Commissioning & Deployment Oversee on-site installations and commissioning to confirm secure deployment proper network zoning and verified protection tools.
• Harden & Protect Systems Configure OT networks and IT systems with secure protocols role-based access patch management and system hardening to minimise vulnerabilities.
• Manage Risk & Change Control design changes with a cybersecurity focus ensuring traceability risk mitigation and alignment with secure engineering practices.
• Be the Go-To Expert Act as a trusted technical advisor collaborating with global teams sharing threat intelligence supporting proposals and guiding customers on cybersecurity best practices.

What youll bring:

• 3 years of experience in cybersecurity in OT/ICS environments.
• Degree in computer engineering chemical engineering or other relevant degree or equivalent years of experience.
• Relevant cybersecurity certifications such as GICSP CISSP or ISA/IEC 62443 Cybersecurity Certificate
• Strong technical knowledge of Industrial Control Systems including SCADA DLC PLC SIS and Operational Technology cybersecurity.
• Experience designing and implementing secure network solutions including segmentation access control firewalls and intrusion detection systems in an industrial environment.
• Familiarity with industry standardssuch asIEC 62443NIST CSF andAESCSFalong with the ability to apply them in practical real-world settings.
• Hands-on understanding of industrial protocols such as Modbus OPC and PROFINET.
• Proficiency in network engineering VLANs firewalls IDS/IPS and DMZs
• Proactive customer-focused mindset with a commitment to delivering high-quality safe and reliable outcomes.
• Strong collaboration and communication skills with the ability to work effectively alongside multiple teams.
• Problem-solving approach balancing security safety and operational performance in complex process environments.
• A genuine interest in continuous learning and contributing to a safer smarter and more secure industrial future.

Nice to Have

• Experience in process automation or industrial networking in a similar industry.
• Knowledge of cloud integration digital transformation or IIoT security.

Why Yokogawa

AtYokogawa were driven by one purpose toco-innovate tomorrow. With a global team of more than 18000 across 60 countries weve been using technology and innovation to shape a smarter safer and more sustainable world.

Joining Yokogawa means being part of a company that truly values its people and the planet. Were looking for passionate individuals who care about making a real impact people who want their work to matter.

Heres what you can look forward to:

• A supportive and inclusive workplacewhere collaboration respect and integrity arent just words theyre how we operate every day.
• Exciting high-impact projectsacross Australia and beyond where your ideas and expertise make a real impact.
• A culture of growth with ongoing learning development and clear career pathways designed to help you reach your full potential.
• A proud legacy of quality and innovation were a trusted global leader in industrial automation and control solutions offering full-lifecycle support to our customers.
• A strong safety focusand genuine appreciation for balance wellbeing and teamwork.

At Yokogawa its not just a job and you wont just build a career youll help build a better future. If youre ready to bring your expertise to the next level in a dynamic technical environment and support a team that values excellence and teamworkwed love to hear from you.

Apply now and help shape the future of smarter safer and more sustainable industries with Yokogawa.

Your application and personal data are handled in accordance with Yokogawas Privacy Policy is an Equal Opportunity Employer. Yokogawa wants a diverse equitable and inclusive will actively recruit develop and promote people from a variety of backgrounds who differ in terms of experience knowledge thinking styles perspective cultural background and socioeconomic will not discriminate based on race skin color age sex gender identity and expression sexual orientation religion belief political opinion nationality ethnicity place of origin disability family relations or any other circumstances. Yokogawa values differences and enables everyone to belong contribute succeed and demonstrate their full potential.

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