Senior Solutions Architect (Consultant) - Transport ProgrammeContract Hybrid London 6 Months £749/day UmbrellaOverviewA major UK transport organisation is seeking two experienced Solution Architects to support a large-scale ticketing and payments transformation programme. The role covers end-to-end solution architecture across discovery, design, budgeting, and delivery in a complex multi-vendor environment.Two roles available:Front Office: Ticketing devices and passenger systems (gates, TVMs, validators, smart ticketing hardware)Back Office: Payments and transaction processing systems (Visa/Mastercard integrations, backend platforms, on-prem infrastructure)Key ResponsibilitiesDesign and govern complex multi-vendor architecturesProduce solution architecture and capability roadmapsSupport technical budgeting (up to £40m+)Break down solutions into delivery work packagesEnsure alignment with business capability and strategyDrive cost optimisation and TCO reductionEngage senior stakeholders and vendorsProvide architecture assurance across deliveryEssential ExperienceEnterprise / solution architecture in large-scale programmesComplex system design across multiple vendorsStrong integration and architecture documentation skillsExperience in either:Front Office: transport ticketing hardware (Cubic, SandB, INIT preferred)Back Office: payments, transaction processing, Java/.NET/Oracle, acquirer integrationsDetailsDuration: 6 months (likely extension)Location: London (50% onsite, Pier ..... full job details .....