OT Network Security Engineer: Juniper Firewall Expert

Hitachi Rail; Brisbane; On-site; AUD 140,000 - 180,000; Full time

Benefits offered by this job

Annual performance reviews

Ongoing professional development

Health and wellbeing initiatives

Job summary

Hitachi Rail in Brisbane, Australia is seeking an OT Network Security Engineer to design, deploy, and validate security for critical infrastructure projects. You will own security architectures and hands-on firewall engineering, ensuring compliance with international standards and local regulations.

You will collaborate with cybersecurity and network engineers, coordinate on-site activities at customer premises around inner Brisbane, and mentor junior staff while balancing availability, safety

Qualifications

• Bachelor’s degree in Cybersecurity, Computer Science, IT, Telecommunications Engineering, Automation Engineering, Electrical/Electronic Engineering, or equivalent technical discipline.
• Minimum 5 years of professional experience in IT/OT cybersecurity infrastructure with responsibility for network security.
• Strong hands-on experience with Juniper firewalls.
• Knowledge of cybersecurity standards: IEC 62443, NIST, ISO 27001/27005.

Responsibilities

• Design end-to-end OT network security architecture.
• Define technical standards, reference architectures, and design patterns for network security platforms.
• Design, deployment, configuration, and validation of network security platforms and Juniper firewalls.
• Produce and review security architecture documents, configuration standards, and hardening guides.
• Coordinate security FAT/SAT, testing, and integration with OT subsystems.
• Collaborate with cybersecurity engineers, network & system engineers, and onsite customer teams.

Skills

IT/OT cybersecurity

TCP/IP & network protocols

Security troubleshooting

Cybersecurity fundamentals

Education

Bachelor’s degree in Cybersecurity or related technical discipline

Tools

Juniper Firewalls

Job description

Hitachi Rail in Brisbane, Australia is seeking an OT Network Security Engineer to design, deploy, and validate security for critical infrastructure projects. You will own security architectures and hands-on firewall engineering, ensuring compliance with international standards and local regulations.

You will collaborate with cybersecurity and network engineers, coordinate on-site activities at customer premises around inner Brisbane, and mentor junior staff while balancing availability, safety