Lead Solution Architect (Barcode) - 12m FTC

Closing date: 30 March 2026

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

What We’re Looking For

We’re seeking an experienced solution architect with a strong track record in ticketing technologies, who can work at the intersection of transport and tech. You’ll need to be fluent in the language of wireless architectures, encryption and cloud architecture.

Strong leadership, strategic thinking, and the ability to drive clarity across complex technical domains are essential.

Essential Skills & Experience:

• AWS Certified Solution Architect (or equivalent experience)

• Expertise in distributed systems design and messaging architectures including peer-to-peer communication protocols, decentralised message routing and protocols such as MQTT

• Hands-on experience with edge computing and resilient network topologies, especially designing systems that avoid single points of failure and can continue functioning under intermittent connectivity

• Strong background in systems integration, scalability and performance engineering.

• Understanding of emerging cryptographic standards and post‑quantum security – including awareness of NIST‑selected post‑quantum algorithms

• TOGAF or similar architectural certification

• Extensive experience leading technical architecture in a complex, multi-stakeholder environment

• Strong experience with API gateway platforms and integration design

• Knowledge of cloud platforms such as AWS

• Knowledge of the latest architecture principles

• Excellent written and verbal communication skills

• Hands-on experience with architecture tools such as Visio, Lucidchart or Enterprise Architect

• Track record of delivering scalable, secure, high-performance digital solutions

Requirements:
What We’re Looking For

We’re seeking an experienced solution architect with a strong track record in ticketing technologies, who can work at the intersection of transport and tech. You’ll need to be fluent in the language of wireless architectures, encryption and cloud architecture.

Strong leadership, strategic thinking, and the ability to drive clarity across complex technical domains are essential.

Essential Skills & Experience:

• AWS Certified Solution Architect (or equivalent experience)

• Expertise in distributed systems design and messaging architectures including peer-to-peer communication protocols, decentralised message routing and protocols such as MQTT

• Hands-on experience with edge computing and resilient network topologies, especially designing systems that avoid single points of failure and can continue functioning under intermittent connectivity

• Strong background in systems integration, scalability and performance engineering.

• Understanding of emerging cryptographic standards and post‑quantum security – including awareness of NIST‑selected post‑quantum algorithms

• TOGAF or similar architectural certification

• Extensive experience leading technical architecture in a complex, multi-stakeholder environment

• Strong experience with API gateway platforms and integration design

• Knowledge of cloud platforms such as AWS

• Knowledge of the latest architecture principles

• Excellent written and verbal communication skills

• Hands-on experience with architecture tools such as Visio, Lucidchart or Enterprise Architect

• Track record of delivering scalable, secure, high-performance digital solutions

Benefits:
Why Work for RDG?

We offer a highly competitive package, including:

• 75% off rail travel for personal and family use, plus international rail discounts.
• 30 Days annual leave (plus buy/sell options and additional leave for key life events)
• Season ticket loan for commuting costs.
• Enhanced family leave – 30 weeks full pay for maternity, adoption, surrogacy, and shared parental leave.
• Pension scheme – up to 11.58% employer contribution.
• Private medical insurance including mental health and specialist care.
• Discounted gym membership and access to wellbeing programmes.

Career Development & Progression

You’ll be part of a team driving innovation at a national scale, with the opportunity to influence long-term ticketing strategy. This role provides real ownership, the chance to work with leading-edge technologies and partners, and visibility at senior levels across the rail industry. You’ll also gain wide exposure to transport and government stakeholders, opening up exciting development and progression opportunities within RDG.

Apply Now & Shape the Future of UK Rail

If you are interested in joining RDG we’d love to hear from you!

Click Apply now to start your application and be part of a team that is leading digital innovation in the rail industry.

Please note that we are unable to consider applications from candidates who require visa sponsorship to work in the UK.