Closing date - 13 May 2026

Salary range: £59,031- £80,079 per annum

Rail Delivery Group (RDG) partners with Britain’s train operators to put customers at the heart of everything we do, delivering essential services and dedicated experts who keep the nation’s railway running efficiently.

What is the purpose of this job?

The Principal Architect will be responsible for the design, documentation and ownership of the architecture for all relevant systems, changes and programmes across the FTR scope. This role ensures that technology solutions are robust, scalable and aligned with the organisation’s strategic objectives. Acting as a key decision maker, the Principal Architect will collaborate closely with other architects, business stakeholders, technical teams and external partners to deliver cohesive, future‑proofed solutions. They will provide architectural leadership throughout the transformation, safeguarding architectural integrity an...