Jobs / Hitachi Energy
Principal OT Cybersecurity Infrastructure Engineer
Hitachi Energy · Sydney, NSW, Australia
Sydney, NSW, AustraliaFull timeExp: 5+ yrsOnsite
Remuneration
Annual performance, development, and salary reviews; salary continuance; professional development and training; health and wellbeing initiatives; Employee Assistance Program; additional sponsored days off; company-sponsored social events.
Location
Sydney, NSW, Australia
Visa sponsorship
Not specified
Job summary
Design and deliver end-to-end operational technology (OT) cybersecurity infrastructure for railway and other critical-infrastructure projects, serving as the technical authority for security architecture and platforms. The role spans design, integration, testing, commissioning, and operational assurance, applying IEC 62443, CLC/TS 50701, NIST, and ISO requirements to systems including network security, identity and access management, threat detection, and cyber recovery.
Benefits
Professional development and trainingSalary continuanceHealth and wellbeing initiatives, including flu vaccinationsEmployee Assistance Program for employees and familyAdditional company-sponsored days offCompany-sponsored social events
Qualifications
- Engineering degree enabling full membership to Engineers Australia.
- At least five years of IT/OT cybersecurity infrastructure experience, including architecture and deployment responsibility.
- Delivery experience in railway, transportation, energy, utilities, oil and gas, or another critical-infrastructure environment.
- Hands-on experience designing, configuring, integrating, testing, and commissioning cybersecurity platforms and controls.
- Practical application of IEC 62443, including zones and conduits, defence in depth, security levels, and system and component requirements.
- Experience producing architecture, configuration, hardening, test, assurance, and operational handover documentation.
- Experience applying CLC/TS 50701 in railway projects and adapting controls to Australian regulatory obligations is desirable.
- Experience engaging with assurance stakeholders, assessors, regulators, vendors, and systems integrators is desirable.
- Master's degree in cybersecurity, information assurance, or systems engineering is desirable.
Responsibilities
- Define vendor-agnostic OT cybersecurity architectures using zones and conduits, defence in depth, secure segmentation, high availability, and resilient design.
- Establish reusable technical standards, reference architectures, and integration patterns.
- Lead the design, configuration, integration, and validation of cybersecurity platforms and controls.
- Translate IEC 62443, CLC/TS 50701, NIST, and ISO requirements into practical controls and maintain assurance evidence.
- Define and execute security FAT and SAT activities, hardening checks, functional control tests, and OT subsystem integration tests.
- Support vulnerability reviews, remediation, Security Case inputs, and operational acceptance.
- Coordinate technical work, dependencies, interfaces, delivery risks, and progress reporting across multidisciplinary teams.
- Adapt designs to Australian critical-infrastructure, cybersecurity, data-protection, and logging obligations.
- Mentor engineers and influence multidisciplinary design decisions.
Skills
IAM
Certifications
CISSPCISMCRISCGIAC GICSPGIAC GRIDGIAC GCIPIEC 62443 cybersecurity certification
Degrees
Engineering degree enabling full membership to Engineers AustraliaBachelor's degree in cybersecurity, computer science, information technology, teMaster's degree in cybersecurity, information assurance, or systems engineering
Work schedule
Full time
Industry
RailwayTransportationEnergyUtilitiesOil and gasCritical infrastructure
Relocation
No