Senior Solutions Architect in Greenwich, London

Senior Solutions Architect (Consultant) - Transport Programme
Contract | Hybrid London | 6 Months | £749/day Umbrella

Overview

A 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 Responsibilities

• Design and govern complex multi-vendor architectures
• Produce solution architecture and capability roadmaps
• Support technical budgeting (up to £40m+)
• Break down solutions into delivery work packages
• Ensure alignment with business capability and strategy
• Drive cost optimisation and TCO reduction
• Engage senior stakeholders and vendors
• Provide architecture assurance across delivery

Essential Experience

• Enterprise / solution architecture in large-scale programmes
• Complex system design across multiple vendors
• Strong integration and architecture documentation skills
• Experience in either:
  • Front Office: transport ticketing hardware (Cubic, S&B, INIT preferred)
  • Back Office: payments, transaction processing, Java/.NET/Oracle, acquirer integrations

Details

• Duration: 6 months (likely extension)
• Location: London (50% onsite, Pier Walk)
• Interview: 2-stage process (remote + formal)
• Rate: £749/day umbrella

UK work eligibility required.