Solution Architect

Jobtailor

Redhill

On-site

GBP 90,000 - 130,000

Full time

7 days ago

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Job summary

Transport for London is seeking a Senior Solution Architect to lead end-to-end architecture for complex revenue systems. You will craft designs, diagrams, and interface specifications while steering architecture governance across multi-supplier teams.

You will collaborate with engineering, cybersecurity, and delivery teams to ensure security, resilience, and operational readiness from requirements through handover.

Qualifications

Bachelor's degree or equivalent experience.
Experience delivering architecture for large-scale platforms.
Experience producing architecture artefacts.
Knowledge of enterprise architecture principles and governance.
Experience system integrations across apps, infra, cloud, networks.
Experience in regulated environments is advantageous.

Responsibilities

Develop end-to-end solution architectures for complex platforms.
Produce designs, diagrams, and interface specs.
Lead architecture workshops and present to governance forums.
Collaborate with engineering, cybersecurity, and delivery teams.
Provide architectural leadership from requirements to handover.
Identify risks and ensure security, resilience, and performance.

Skills

Solution Architecture

Architecture Diagrams

Systems Integration

Stakeholder Management

Enterprise Architecture

APIs

Messaging

Data Exchange

DevOps

Governance

Education

Bachelor's degree in CS/IT/Engineering

Tools

Architecture Modelling Tools

Documentation Tools

Cloud Services

Integration Platforms

Cybersecurity Practices

Job description

Develop end-to-end solution architectures for complex enhancements and technical changes across TfL's Revenue Collection System, including Oyster and Contactless platforms.
Produce solution designs, high-level designs, detailed designs, interface specifications, and architecture decision records.
Create and maintain architecture diagrams and models using industry-standard tools and methodologies.
Ensure solution designs align with TfL business objectives, contractual requirements, enterprise architecture principles, and technology standards.
Work with TfL architects, technical specialists, and business stakeholders to define requirements and agree architectural approaches.
Lead architecture workshops and technical design sessions.
Present solution architectures, design proposals, and technical recommendations to TfL Technical Authority and governance forums.
Provide architectural leadership from requirements definition through implementation and operational handover.
Collaborate with engineering, testing, infrastructure, cybersecurity, service management, and delivery teams to implement approved designs.
Support technical investigations, root cause analysis, and solution development for complex operational and delivery challenges.
Identify and manage technical risks, assumptions, constraints, dependencies, and architectural issues.
Ensure designs address security, resilience, performance, supportability, scalability, and operational readiness.
Provide technical assurance and design oversight during delivery.
Evaluate new technologies, products, and integration approaches.
Develop and maintain strategic architecture artefacts, including system context diagrams, component maps, integration maps, application landscapes, and end-to-end data flows.
Establish architecture standards, design patterns, reference architectures, and governance processes.
Contribute to continuous improvement of architecture practices, tools, methodologies, templates, and ways of working.
Support knowledge transfer and maintain accurate architecture documentation throughout the service lifecycle.
Act as a trusted technical advisor to programme leadership, delivery teams, and stakeholders.
Promote collaboration between Indra, TfL suppliers, and engineering teams.
Ensure architecture practice, standards, and governance frameworks are established and adopted.

Requirements

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline (or equivalent experience).
Significant experience delivering solution architecture for complex, large-scale technology platforms and business-critical systems.
Proven experience producing high-quality architecture artefacts, including solution designs, architecture diagrams, interface specifications, and technical design documentation.
Strong understanding of enterprise architecture principles, solution architecture methodologies, and architectural governance frameworks.
Experience designing complex system integrations across applications, infrastructure, networks, cloud services, and third-party platforms.
Experience working within highly available, business-critical, and operationally sensitive environments.
Strong understanding of software development lifecycles, DevOps practices, and modern engineering delivery methodologies.
Experience working in complex multi-supplier environments, coordinating architectural activities across several delivery partners.
Ability to translate business requirements and technical constraints into practical, supportable, and deliverable solutions.
Experience presenting solution designs and technical recommendations to architecture review boards, governance forums, and senior stakeholders.
Strong understanding of security, resilience, scalability, performance, supportability, and operational readiness considerations.
Experience producing architecture deliverables using industry-standard architecture modelling and documentation tools.
Strong knowledge of systems integration patterns, APIs, messaging technologies, and data exchange mechanisms.
Experience supporting technical delivery teams throughout implementation, testing, deployment, and operational transition.
Excellent stakeholder management skills, with the ability to engage effectively with business, engineering, operational, and supplier organisations.
Strong analytical and problem-solving skills, with the ability to identify risks, dependencies, and architectural impacts across complex systems.
Experience maintaining strategic architecture artefacts, including system context diagrams, component maps, integration landscapes, and end-to-end data flows.
Experience contributing to the development of architecture standards, design patterns, governance processes, and architecture best practices.
Strong written and verbal communication skills, with the ability to communicate effectively with both highly technical teams and executive stakeholders.
Experience within transport, payments, ticketing, revenue collection, or other highly regulated environments would be advantageous.
Brings clarity and structure to complex technical and organisational challenges.
Demonstrates sound technical judgement and pragmatic decision-making.
Able to balance strategic thinking with hands-on solution design.
Naturally collaborates across organisational, supplier, and technical boundaries.
Comfortable challenging assumptions while building consensus among stakeholders.
Focuses on delivering business outcomes rather than individual technical solutions.
Influences decisions through expertise, credibility, and collaboration rather than formal authority.
Takes ownership of architectural quality and technical integrity throughout the delivery lifecycle.

Core Competencies

Demonstrates expertise in developing end-to-end solution architectures for complex technology platforms, ensuring alignment with enterprise architecture principles and business objectives. Proficient in producing high-quality architecture artefacts and leading architectural governance processes while collaborating effectively with diverse stakeholders.

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