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Principal Enterprise Architect

HS2

London, England, United KingdomNot specifiedPosted 2026-06-25
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Base salary: £66,553pa to £83,191pa depending on skills and experience. In addition, we offer flexible benefits fund of 20% which is paid on top base salary and is fully pensionable, as well as a range of competitive benefits - check them out in the Benefits section on our website.   HS2 Ltd endeavours to ensure everyone working for us and with us feels included, thrives and achieves their full potential. In practice, this means we are positive and inclusive about making adjustments, providing flexible working, encouraging our staff networks to flourish and providing personal and professional development opportunities.   The Principal Enterprise Architect is responsible for developing enterprise-wide architecture and processes to embed the strategic application of change across HS2. The role supports the establishment and management of HS2’s Enterprise Architecture practice and leads the development, design, implementation, and governance of the organisation’s Enterprise Architecture to ensure technology’s alignment with business objectives.   About the Role * Develops and implements enterprise-wide architecture, policies, patterns, processes and guardrails to embed the strategic application of change across HS2, ensuring compliance between business strategies, enterprise transformation activities and technology directions. * Leads the definition of IT Portfolio service offerings to support IT in delivering capabilities aligned to business objectives. * Leads definition and continued maturity of agile Enterprise Architecture frameworks. * Lead the provision of an architectural governance process to ensure that new or changed services have an appropriate level of quality, design principle alignment, and have defensible decision making. * Supports the IT SLT to develop the Information & Technology strategy and the associated sub-strategies, artefacts and plans and then ensures alignment to the agreed technology strategy and roadmap. * Leads the capture and prioritisation of market and environmental trends, business strategies and objectives, in order to ensure alignment with HS2’s technology strategy and roadmap. * Lead the rationalisation and optimisation of the IT application portfolio across HS2 to drive operational and financial efficiency. * Supports establishment and management of the Enterprise Architecture practice and capabilities across HS2, leading knowledge sharing and skills development efforts and driving consistency across the technical architecture capabilities. * Defines assurance guardrails and architectural platform to guide the implementation and management of technology capabilities and systems across HS2. * Leads the assurance that system and solution design across HS2 adhere to architecture guardrails, standards and roadmap. * Leads the translation of business drivers, goals and constraints into technology imperatives. * Actively promotes and embeds Equality Diversity and Inclusion (EDI) in all work, and supports and complies with all organisational initiatives, policies and procedures on EDI. About You Skills: * Enterprise and business architecture. Ability to support and advise on the development of a future state architecture aligned to strategy and lead on the translation of business drivers, goals and constraints into business objectives * Governance and assurance. Ability to evolve and define governance and take responsibility for working with other stakeholders across HS2’s wider governance structure. Assure standards, guardrails and principles to effectively govern delivery * Problem definition and shaping. Ability to define strategies and policies, providing guidance to others on working within a strategic context. Evaluate current strategies to ensure business needs are being met and exceeded where possible * Strategic design and business change. Ability to demonstrate a good understanding of business issues, events and activities, and their short to long term impact. Support defining principles, patterns, standards, policies, roadmaps and vision statements. Develop, maintain or update strategy in response to feedback and findings * Agile working. Ability to coach and lead teams in Agile and Lean practices. * Stakeholder communication. Ability to communicate with stakeholders at all levels and manage stakeholder expectations * Emerging technology monitoring. Ability to identify and assess new and emerging technologies, products, services, methods and techniques Knowledge: * Knowledge of agile methods and their implications for Enterprise Architecture * Knowledge of enterprise architecture frameworks, methodologies, and best practices, such as TOGAF or Zachman Framework * Knowledge of architecture principles, patterns, and their application within an organisation * Knowledge of emerging technologies and industry trends relevant to enterprise architecture, including but not limited to cloud computing, artificial intelligence, big data analytics, Internet of Things (IoT), and other disruptive technologies * Knowledge of different delivery models including Agile, Waterfall and Hybrid methodologies * Knowledge of the industry, business model, processes, and functional areas Type of Experience: * Experience of leading the design and implementation of IT services and Architectural Building Blocks * Experience of authoring high level designs for major solutions, managing design requirements and maintaining an audit trial for a design control process. * Experience of defining complex technical models and communicating technical models clearly to stakeholders at all levels. * Experience of successfully applying Enterprise Architecture methods and approaches to complex scenarios. * Experience of using Enterprise Architecture tooling, integration or notation. * Experience across full project lifecycle, from initiation to decommissioning. * Experience working in a multi-vendor environment. We ask for a variety of detail in your online application, however we perform the first assessment of suitability for a role based solely on the information in your CV. In a further development of our efforts to create a more diverse workforce, your CV will be anonymised and personal information will be removed during the first stage of the application review. This removes bias from the process and makes it even more important that you attach an updated word version of your CV for each new application ensuring you include evidence directly related to the criteria in the job advert. Watch this video on how we remove bias in the recruitment process: Removing bias in the recruitment process - YouTube Any applications received after the closing date will not be considered. High Speed 2 (HS2 Ltd) will be the UK’s new high speed rail network. As well as improving capacity, the new scheme will shorten journey times between a number of Britain’s major population centres, boost the economy and create thousands of jobs. HS2 Ltd will create a skills legacy and develop a diverse range of talent. We aim to be a leader in EDI practice by creating a safe & inclusive working environment for all our staff - living our values of Safety, Respect, Integrity and Leadership. In practice, this means we are positive and inclusive about making adjustments, providing flexible working, encouraging our staff networks to flourish and providing personal and professional development opportunities. HS2 Ltd is also a safety-critical organisation. Employees are required to ensure reasonable care of their own and others’ health and safety by taking personal responsibility for working to our ‘Safe at Heart’ programme principles and following safe working procedures at all times. HS2 Ltd endeavours to ensure everyone working for us and with us feels included, thrives and achieves their full potential.
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