Business Unit: Cubic Transportation Systems Company Details: When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make peoples lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Led by our talented teams around the world, Cubic is committed to solving global issues through innovation and service to our customers and partners. The Senior Systems Engineer / Systems Integration Architect is a fully qualified practitioner, providing advanced technical leadership and systems engineering management for the design, development, and integration of complex hardware and software systems.

Using in-depth professional knowledge and experience, this role will oversee complex issues, developing solutions in creative and effective ways. The Senior Systems Engineer will guide projects through the entire system lifecycle, ensuring alignment with customer needs and company objectives. Additionally, this role requires the ability to influence internal and external stakeholders while adapting communication styles to complex organizational challenges.

Job Details: An experienced System Integration (SI) Architect to lead the design and coordination of complex integration activities across a multi-stakeholder Account-Based Ticketing (ABT) environment. This role plays a pivotal part in delivering seamless, scalable, and secure integration across customer channels, transport operators, payment providers, and government transport agencies. You will work closely with internal technical teams, third-party vendors, and stakeholders to ensure architectural integrity and smooth delivery of end-to-end solutions.

Key Responsibilities: Design Integration Architecture: Define and maintain end-to-end system integration architecture across multiple systems and domains, including CRM, ERP, fare calculation, revenue apportionment, and payment gateways. Stakeholder Engagement: Engage with transport authorities, fare media suppliers, device manufacturers, contact centre providers, and system operators to align integration interfaces and APIs. Standards and Compliance: Ensure integration patterns comply with security, PCI-DSS, performance, and regulatory requirements.

Technical Leadership: Guide solution teams and third parties through interface design, mapping, orchestration, and data exchange models (REST, SOAP, file-based, etc.). Interface Specifications: Develop and maintain Interface Control Documents (ICDs), sequence diagrams, and data flow mappings.

Issue Resolution: Lead the triage and resolution of integration issues across test and production environments. Change Control: Assess impact of change requests on the integration architecture and contribute to design authority and governance forums. Tooling and Environment: Oversee the setup of integration environments and coordinate test data preparation and stubs/mocks w.