Senior Solution Architect / Technical Authority Architect

Job title: Senior Solution Architect / Technical Authority Architect

Salary: £70-85k + Excellent BenefitsGrade: Band 3

Contract type: TfL                                           Reference: 4928

Contract details: Permanent       Location: Pier Walk, North Greenwich

Application closing date: 30/8/2026 at 23:59

External - All offers of employment are subject to satisfactory right‑to‑work checks.  Candidates must be able to demonstrate their right to work in the UK.  At the present time TfL is unable to offer visa sponsorship for this role. 

*Hybrid working within this role enables a balance of 50 per cent of time split between the office (North Greenwich) and home over a 4-week period. Hybrid working arrangements can evolve subject to business requirements.

Shape the Technology Behind London's Transport Network

At Transport for London (TfL), we're responsible for keeping one of the world's greatest cities moving. Every day, millions of customers rely on our services, enabled by one of the world's most sophisticated transport payment and revenue collection platforms, processing billions of pounds in revenue and supporting travel across the capital.

We're looking for multiple Senior Solution Architects / Technical Authority Architects to join our growing team and drive the future of TfL's Revenue Collection technology landscape. You'll influence one of the UK's largest and most complex payment and revenue collection platforms, processing approximately £6.8bn annually and supporting millions of customer journeys every day. The platform spans customer-facing devices, retail channels, payment processing, fare calculation, and back-office services across London's transport network.

You'll work at the intersection of business strategy and technology delivery, translating complex requirements into practical, scalable solutions that deliver measurable outcomes for customers and TfL.

As TfL transitions to a new long-term service provider, you'll play a pivotal role in ensuring architectural integrity, technical compliance, and successful delivery of one of the UK's largest and most complex payment ecosystems.

What You'll Be Doing

This role combines hands-on solution architecture with technology assurance and governance.

You'll influence both the future design of TfL's Revenue Collection ecosystem and the standards, compliance, and technical decisions that govern its evolution. This role sits at the heart of a major technology and supplier transformation programme that will shape Revenue Collection services for the next decade.

As a trusted Technical Authority, you'll lead architecture assurance and solution design across a diverse portfolio of projects, suppliers, and services.

Key responsibilities include:

• Act as a trusted technical authority, ensuring TfL remains an informed and intelligent client, able to challenge, influence, and assure supplier decisions across a multi-billion-pound technology estate.
• Supporting the successful transition to TfL's future Revenue Collection service model.
• Establishing and operating technology assurance and governance processes.
• Providing solution architecture leadership for systems delivered by internal teams and external partners.
• Developing target-state architectures, roadmaps, and investment options to support strategic decision-making.
• Assessing architectural change, identifying risks, and ensuring compliance with contractual and technical standards.
• Shaping technology direction to deliver value for money, resilience, scalability, and long-term sustainability.
• Working closely with Product Managers, delivery teams, commercial specialists, and suppliers to develop business cases and technology strategies.
• Ensuring functional and non-functional requirements are robust, achievable, and aligned with business outcomes.
• Supporting procurement activities, supplier selection, and technology evaluations.
• Building consensus across business and technical stakeholders and presenting recommendations to senior leaders.
• Providing architecture governance throughout delivery to ensure projects achieve intended outcomes.
• Represent projects through architecture governance forums, securing approval, driving alignment, and influencing technical direction across TfL.
• Influencing and collaborating with senior business, commercial, and technology stakeho