Platform Architect X2 roles

Rail Delivery Group; City of Westminster; On-site; GBP 80,000 - 100,000; Full time

Job summary

A transport service organization in the UK is seeking a Platform Architect to define and deliver cloud platform services. The role involves working closely with various stakeholders to ensure the platform meets business needs while adhering to architecture principles. Candidates should have substantial experience in software development and IT architecture, with certifications preferred. Benefits include discounted travel and generous leave policies.

Benefits

75% off rail travel

30 days annual leave

Season ticket loan

Enhanced family leave

Pension scheme

Private medical insurance

Discounted gym membership

Qualifications

• 3+ years of relevant IT architecture experience.
• 5+ years of software development experience.
• Ability to manage multiple priorities in a fast-paced environment.

Responsibilities

• Identify key business and functional requirements.
• Design and document end-to-end Platform Services.
• Align Platform Services with architecture principles and policies.

Skills

Hands-on experience in development

Cloud platforms (AWS, Azure)

Knowledge of networking/security services

Experience with CI/CD

Monitoring and performance tools

API gateway management

Message queue and broker (Kafka, ActiveMQ)

Certificate and secrets management

IT architecture experience

Software development/engineering experience

Excellent written and spoken English

Education

Professional degree in Computer Science

TOGAF or AWS architectural certification

Job description

Overview

The Platform Architect will play an integral role in defining, delivering and supporting RDG's Cloud platform and shared services (aka the RDG Platform). They will be responsible for ensuring that the RDG Platform meets business requirements across the business and align with RDG Architecture Principles and Policies.

What you will do

• Identify key business and functional requirements for Platform Services by working with internal and external teams.
• Evaluate, select and proof‑of‑concept technology platforms to meet requirements.
• Design and document end‑to‑end Platform Services, collaborating with other RDG Platform Architects, suppliers and customers.
• Ensure Platform Services are implemented, quality‑assured, transitioned into operations and rolled out successfully.
• Maintain Architecture Definition Documents (ADD) and enterprise architecture models for Platform Services.
• Align Platform Services with RDG Architecture Principles, Policies and government standards such as GDS.
• Help develop technology roadmaps for future development and evolution of the RDG Platform.

Key contacts

Internal: Enterprise Architect, Head of Architecture, Platform Architects, Project Managers and other project teams impacted by shared services.

Qualifications

• Hands‑on experience in development, Infrastructure as Code, front‑end/back‑end development.
• Experience with cloud platforms such as AWS Landing Zone, Azure, etc.
• Knowledge of networking/security services (e.g. Amazon Transit Gateway, Security Hub).
• Experience with CI/CD, GitLab, identity and access management (Microsoft Entra ID).
• Monitoring and performance tools (New Relic, Grafana, etc.).
• API gateway and management platforms (AWS API Gateway).
• Message queue and broker (Kafka, ActiveMQ).
• Certificate and secrets management (AWS, etc.).
• Relevant IT architecture experience (3+ years) and software development/engineering experience (5+ years).
• Professional degree or postgraduate qualification e.g. Computer Science.
• TOGAF, Zachman or other architectural design methodology certification, and AWS or other platform architect certification.
• Excellent written and spoken English; ability to work flexibly, under pressure and manage multiple priorities in a fast‑paced environment.

Why Work for RDG

You will join a team driving innovation at a national scale, influencing long‑term ticketing strategy and gaining exposure to transport and government stakeholders.

Benefits

• 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 (AXA PPP) including mental health and specialist care.
• Discounted gym membership and access to wellbeing programmes.

Application

If you are interested in joining RDG as a Lead Solution Architect and shaping the future of digital ticketing, we would 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.