skip navigation
skip mega-menu

Head of Enterprise Architecture (Principal Enterprise Architect) - National Savings and Investments - G6

Government Digital & Data -

Full-time (Permanent)
£92,000 - £82,000 London; £87,000 - £79,000 Durham, Lytham, Glasgow
Published on
30 January 2026
Deadline
12 February 2026

Location

Based in one of our UK office sites in London, Glasgow, Durham or Lytham

About the job

Job summary

NS&I is one of the largest savings organisations in the UK with more than 24 million customers and over £240 billion invested. We are both a government department and an Executive Agency of the Chancellor of the Exchequer. Our origins can be traced back more than 150 years to 1861.

A small company with a big reach, we offer a range of benefits including flexible working, a 9-day fortnight scheme, a performance-related variable pay bonus, a generous pension scheme and great opportunities for development. We care for colleagues, respect one another, invest in our people and manage talent effectively.

We are currently working in a hybrid way with colleagues expected to work at their chosen office location for 40% of their working month.

Reporting into the Chief Technology Officer, the role will ensure the Business has the appropriate technical and business design provision and capability to ensure Business Transformation Programme and wider Business goals can be met. Ensure the solutions being designed meet the business requirements by delivering the desired outcomes, target architecture and industry standards.

Job description

Full details of the key responsibilities can be found on the attached role profile

Person specification

Essential experience

•    Significant experience as a successful enterprise architect.
• Significant experience of working in a compliant or regulated environment
• Significant experience in architecture lead roles in an outsourced business environment
• Significant experience of Data Centre, Cloud, AI, Digital Transformation in a financial services industry.
• Significant experience of managing the specification, development and delivery of change from a wide variety of third-party agencies, suppliers and specialists.
• Considerable experience of working across all digital channels.
• Proven track record of leading inhouse and external high performing teams.
•    Demonstrable experience in leading EA function in a significant business transformation context

Required qualifications

•    Degree in computer science, information systems, engineering or related subjects or equivalent by experience
•    TOGAF certification or equivalent certification is desirable but not a requirement for the role.


Essential skills

•    Excellent communication, influencing abilities
• Excellent written and verbal communication
•    Effective leadership skills


Essential technical knowledge and skills

•    Knowledge of all components of a holistic EA.
• Solid understanding of software, hardware, architecture framework.
• Practical knowledge and experience of leading-edge technologies
• Knowledge of current and emerging trends eg agile project management practices, open source, cloud platforms, and digital technology services
•    In-depth knowledge of systems architectures, performance, resilience, and scalability

Qualifications

Degree in computer science, information systems, engineering or related subjects or equivalent by experience

Behaviours

We'll assess you against these behaviours during the selection process:

  • Changing and Improving
  • Communicating and Influencing
  • Leadership
  • Delivering at Pace
  • Managing a Quality Service

We only ask for evidence of these behaviours on your application form:

  • Changing and Improving
  • Communicating and Influencing
  • Leadership

More jobs at Government Digital & Data

Interaction Designer - GDS
Full-time (Permanent)
Test Engineer - GDS - SEO
£46,725 - £50,220 (London) / £42,893 - £45,653 (National) plus additional allowance
Full-time (Permanent)
Director General for Digital Foundations - Department for Science, Innovation & Technology - SCS3
£174,000
Full-time (Permanent)
Lead Digital Project Manager - Infected Blood Compensation Authority - G6
£72,717 plus up to £5,454 additional allowance
Full-time (Permanent)
Lead Security Architect - FCDO Services - SEO
£48,801 - £50,270 Plus location allowance £1750
Full-time (Permanent)
Business Analyst - Driver and Vehicle Licensing Agency - HEO
£35,663
Full-time (Permanent)
Senior Business Analyst - Intellectual Property Office - SEO
£47,766 up to £58,575 with additional allowances
Full-time (Permanent)
Senior IT Service Manager - FCDO Services - SEO
£48,801 - £50,270 Plus location allowance £1750
Full-time (Permanent)
Senior Technical Architect - HMRC - G7
£58,541 - £64,624
Full-time (Permanent)
Senior Interaction Designer Intellectual Property Office -
Full-time (Permanent)
Senior Interaction Designer Intellectual Property Office - sE
Full-time (Permanent)
Deputy Director for Digital, Data and Building Technology in the Education Estate - Department for Education - SCS1
£81,000
Full-time (Permanent)
Deputy Delivery Director, National Police IT Services - Home Office - SCS1
£100,000 - £117,800
Full-time (Permanent)
Deputy Delivery Director, Legacy Services Transformation - Home Office - SCS1
£100,000 - £117,800
Full-time (Permanent)
Deputy Delivery Director, Home Office Biometrics (HOB) - Home Office - SCS1
£100,000 - £117,800
Full-time (Permanent)
Senior Developer - Government Digital Service - G7
£58,063 - £79,094 (national) Based on capability. The base salary of this grade is £55,403 (national).
Full-time (Permanent)
Lead Business Analyst - Office for National Statistics - G7
£56,861 - £66,704
Full-time (Permanent)
Lead User Researcher - Companies House - G7
£53,540 - £65,136
Full-time (Permanent)
Government Digital, Data and Cyber People and Capability Manager - Department for Science, Innovation & Technology - SEO
National: £42,382 - £45,920; London: £46,169 - £50,062
Full-time (Temporary)
Technical Architect - Government Digital Service - G7
£65,163 - £89,880 (London) / £58,063 - £79,094 (National) Based on capability.
Full-time (Permanent)
Senior Delivery Manager - UK Hydrographic Office - G7
£61,605
Full-time (Permanent)
Lead Agile Delivery Manager - Infected Blood Compensation Authority - G6
£72,717 plus £5,454 after probation
Full-time (Permanent)
Senior Agile Delivery Manager - Infected Blood Compensation Authority - G7
£58,655 and additional £4,399 after probation
Full-time (Permanent)
Lead Software Engineer (EXT) - Office for National Statistics - G7
£60,007 - £66,701. Plus a skills allowance of up to £7,500 (non-pensionable and non-contractual) may be payable.
Full-time (Permanent)
Lead Change & Implementation Manager - Infected Blood Compensation Authority - HEO
£38,105 plus additional £2,858 allowance
Full-time (Permanent)
Junior Frontend Developer - Government Digital Service - SEO
Base salary 42,382. Offers made above this will be made up with a specialist pay allowance
Full-time (Permanent)
Associate IT Infrastructure Engineer (Royal Navy Operational Advantage Centre) - Ministry of Defence - EO
£30,740
Full-time (Permanent)
Business Analyst - Driver and Vehicle Standards Agency - HEO
£35,663 Yeading will receive the London Weighting allowance of £4,000
Full-time (Permanent)
Business Analyst - Department for Work and Pensions - SEO
£44,447 - £46,547
Full-time (Permanent)
Senior Azure DevOps Engineer - Department for Work and Pensions - G7
£57,946 - £80,664
Full-time (Permanent)
Head of IT Service Management - FCDO Services - G7
£58,209 - £60,810 Plus £1,750 location allowance
Full-time (Permanent)
Senior IT Service Manager (Live Service) - Department for Work and Pensions - SEO
£44,447 - £46,547
Full-time (Permanent)
IT Service Design Manager - Department for Work and Pensions - SEO
£44,447 - £46,547
Full-time (Permanent)
Principal Technical Architect - Home Office - G6
£76,117 for National roles or £80,237 for London roles plus up to £19,483 additional allowance
Full-time (Permanent)
Lead Technical Architect (Command and Control) - Maritime and Coastguard Agency - G7
£57,515 plus up to £25,915 additional allowance
Full-time (Temporary)
Lead Product Manager - Government Digital Service - G6
£67,972 - £75,275 (National) / £73,280 - £83,027 (London)-Based on capability
Full-time (Permanent)
Senior Data Architect - Office for National Statistics - G7
£56,861 - £66,704 plus additional £1,300 may be payable
Full-time (Permanent)
Interaction Designer - Department for Work and Pensions - SEO
£44,447 - £46,547
Full-time (Permanent)
Director General for Digital Products - Department for Science, Innovation & Technology - SCS3
£200,000 - £260,000
Full-time (Permanent)
Director General for Digital Transformation - Department for Science, Innovation & Technology - SCS3
£200,000 - £260,000
Full-time (Permanent)
Senior Software Developer - HM Courts and Tribunals Service - G7
National: £58,511 - £65,329 London: £63,343 - £70,725
Full-time (Permanent)
Lead Developer (Dynamics) - Driver and Vehicle Standards Agency - G7
£57,515 plus up to £24,915 additional allowance and £4,000 London weighting for Yeading
Full-time (Permanent)
Agile Delivery Manager - Intellectual Property Office - SEO
£47,766 plus up to £58,575 additional allowances
Full-time (Permanent)
Associate IT Delivery Manager - HMRC - HEO
£37,682 - £40,705
Full-time (Permanent)
Senior Infrastructure Engineer - HMRC - SEO
£47,670 - £51,690
Full-time (Permanent)
Senior Interaction Designer - Ministry of Justice - G7
£58,511 - £65,329, London salary range is £63,343 - £70,725 up to £332 additional allowance
Full-time (Permanent)
Senior Technical Architect - Met Office - SEO
£43,081 - £46,728
Full-time (Permanent)
Lead Service Transition Manager - Home Office - G7
National: £62,109 London: £66,228 plus up to £11,300 additional allowance
Full-time (Permanent)
Senior IT Service Manager - HMRC - SEO
£45,544 - £49,523
Full-time (Permanent)
ITSM Practice Analyst - Driver and Vehicle Licensing Agency - HEO
£35,663
Full-time (Permanent)
Lead Test Engineer - HMRC - G7
National: £58,541 - £64,624 London: £65,869 - £72,711
Full-time (Permanent)
Lead DevOps Engineer - Intellectual Property Office - G7
£66,162 up to £80,893 with additional allowances
Full-time (Permanent)
Lead DevOps Engineer (Azure) - Department for Work and Pensions - G6
£75,026 - £92,522
Full-time (Permanent)
Duty Infrastructure Engineer - Cabinet Office - SEO
Salary: £47,670 to £51,690
Full-time (Permanent)
Lead Business Analyst -Automation & Innovation - Home Office - Grade 7
£62,109
Full-time (Permanent)
Senior Business Analyst - Automation & Innovation - Home Office - SEO
£46,062
Full-time (Permanent)

Subscribe to our newsletter

Sign up here