Kainos

Principal Architect (Public Sector)

Kainos
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20 hours ago
Remote, United Kingdom or Birmingham, United KingdomStaff+

Responsibilities

  • Lead the development and adoption of architectural policies, principles, standards, and engineering practices.
  • Provide technical leadership, assurance, and direction across complex programmes involving multiple teams, suppliers, and technology platforms.
  • Shape whole-solution architectures covering applications, integration, data, infrastructure, cloud, security, operations, and user experience.
  • Build relationships with senior customer stakeholders and influence architectural decisions across customers, delivery teams, suppliers, and internal teams.
  • Advise customers on modern technologies, architectures, delivery approaches, legacy modernisation, and migration strategies.
  • Contribute to account strategies, technology strategies, bids, proposals, estimates, assumptions, risks, and business development opportunities.
  • Manage, coach, mentor, and develop architects, engineers, and other technical colleagues, including supporting performance and career development.
  • Share knowledge and contribute to the wider architecture, engineering, technology, and public sector communities.

Requirements

  • Extensive experience working in the public sector, ideally UK Government or other large public service organisations.
  • Proven accountability for technology delivery challenges including large-scale services, multi-team programmes, digital transformation, and modernisation initiatives.
  • Successful experience leading software and solution architectures for complex, multi-tiered modern applications and digital services.
  • Engineering background with the ability to communicate with, assure, and provide technical leadership to software engineering teams.
  • Experience with public cloud platforms such as AWS and Azure, including SaaS, PaaS, containerised, and cloud-native architectures.
  • Understanding of modern integration and data architecture, including APIs, event-driven architectures, data platforms, and interoperability between legacy and modern systems.
  • Experience designing services with demanding security, resilience, performance, scalability, availability, accessibility, operability, and maintainability requirements.
  • Experience with public sector governance, assurance, Government Service Standard, Technology Code of Practice, accessibility requirements, and relevant security principles.
  • Ability to communicate complex technical designs clearly and influence senior and C-level stakeholders, customers, suppliers, and delivery teams.
  • Understanding of security, privacy, information management, commercial implications, total cost of ownership, supplier dependency, and long-term sustainability.
  • Experience managing, coaching, and developing technical colleagues and contributing to wider capability growth.
  • Desirable qualifications include UK Central Government or major public sector programme experience, Government Digital Service assessments, government security standards, secure-by-design principles, major cloud partners, technology strategy, architecture governance, reusable patterns, and responsible adoption of Generative AI, agentic AI, automation, and modern data platforms.

Benefits

  • Kainos emphasizes a people-first culture with opportunities for growth, collaboration, mentoring, and professional development.
  • The company promotes diversity, equity, and inclusion and offers recruitment accommodations or adjustments where needed.

Tech Stack

Categories

Solutions Engineering
Kainos

About Kainos

1,001-5,000 employees

Kainos is a Belfast-headquartered, publicly listed IT services company that designs and delivers digital services and Workday solutions for public, healthcare and commercial clients. Its business includes agile software engineering, cloud and data platforms, systems integration, and a Workday implementation and testing practice (including the Smart automated testing product). Founded in 1986 and listed on the London Stock Exchange, Kainos operates across the UK, Europe and North America.

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