230 Enterprise Architecture jobs in the United Kingdom

Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure.

Why we need this role

This role is central to shaping Colts enterprise architecture strategy, with a strong emphasis on OSS technologies and core networking. As a key architectural leader, you will drive.

WHJS1_UKTJ

• Strategic Leadership - Member of the Senior Leadership Team.
• Architecture Design & Oversight - Lead the design of end-to-end Architectural Solutions.
• Enterprise-Wide Systems Integration & advise on technology trends.
• Develop, define the Enterprise Architecture (EA) Framework - Applications, Data & Technology Domains.
• Develop a 5-10-year Enterprise Architecture roadmap - aligned to IT Strategy.
• EA Governance & Standards - Establish Architecture Governance processes & practices.
• Compliance with Architectural Principles, Standards & Best Practices.
• Integration of emerging technologies - into existing Enterprise Architecture.
• Deliver Architecture Scalability, Security & Resilience.
• Collaborate with business & technology leaders.
• Advise on industry trends & emerging technologies.
• Drive Innovation - identify technology opportunities & operational efficiency.
• Budget - manage Architecture budgets, tool & resources.
• Third-party engagement - liaise & partner with external providers.
• Leadership - lead an internal team of Solution, Integration, Cloud, Data Architects.

• Enterprise Architecture Leadership - 5+ years’ experience.
• Define, Set-up & Structure Enterprise Architecture function.
• Leading Architectural teams - Solution, Integration, Cloud, Data Architects etc.
• Background in - Networks, Cloud Technologies (e.g., AWS, Azure, GCP), Application Integration & Data Architecture.
• IOT - Industrial - Factory Automation.
• SAP S4 HANA - SAP RISE - Desirable environment experience.
• TOGAF, Zachman - or similar Framework experience.
• Certified in any of the following - TOGAF / AWS / Azure / CISSP / ITIL / COBIT.
• Ability to deliver well thought through quality EA plans - then deliver them effectively.
• Proactive Approach - must have a ‘Can Do’ attitude.
• Ability to navigate a complex environment & effectively manage change.
• Gravitas & Maturity to build & establish relationships at all levels.

• Strategic Leadership - Member of the Senior Leadership Team.
• Architecture Design & Oversight - Lead the design of end-to-end Architectural Solutions.
• Enterprise-Wide Systems Integration & advise on technology trends.
• Develop, define the Enterprise Architecture (EA) Framework - Applications, Data & Technology Domains.
• Develop a 5-10-year Enterprise Architecture roadmap - aligned to IT Strategy.
• EA Governance & Standards - Establish Architecture Governance processes & practices.
• Compliance with Architectural Principles, Standards & Best Practices.
• Integration of emerging technologies - into existing Enterprise Architecture.
• Deliver Architecture Scalability, Security & Resilience.
• Collaborate with business & technology leaders.
• Advise on industry trends & emerging technologies.
• Drive Innovation - identify technology opportunities & operational efficiency.
• Budget - manage Architecture budgets, tool & resources.
• Third-party engagement - liaise & partner with external providers.
• Leadership - lead an internal team of Solution, Integration, Cloud, Data Architects.

• Enterprise Architecture Leadership - 5+ years’ experience.
• Define, Set-up & Structure Enterprise Architecture function.
• Leading Architectural teams - Solution, Integration, Cloud, Data Architects etc.
• Background in - Networks, Cloud Technologies (e.g., AWS, Azure, GCP), Application Integration & Data Architecture.
• IOT - Industrial - Factory Automation.
• SAP S4 HANA - SAP RISE - Desirable environment experience.
• TOGAF, Zachman - or similar Framework experience.
• Certified in any of the following - TOGAF / AWS / Azure / CISSP / ITIL / COBIT.
• Ability to deliver well thought through quality EA plans - then deliver them effectively.
• Proactive Approach - must have a ‘Can Do’ attitude.
• Ability to navigate a complex environment & effectively manage change.
• Gravitas & Maturity to build & establish relationships at all levels.

WHJS1_UKTJ

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Date: Apr 10, 2025

Location: London, GB, EC3M 3BD

Company: Aspen Insurance

Since Aspen was founded in 2002, we have become a leading, diversified specialty insurance and reinsurance company. We respond thoughtfully and creatively to find the best outcomes for our clients and business partners through carefully-tailored solutions.

We believe the way we work is just as important as the work we do, and we are guided by our core values of respect, honesty, trust and professionalism.

Aspen is a great place to develop your career offering an exciting and challenging environment where achievement is rewarded.

The Role:

As Head of Enterprise Architecture, you will report to the Chief Data and Analytics Officer for the management of the architecture and design authority function and oversee definition of and adherence to the architecture strategy. You will also be critical to the decision making across the business to identify, recommend, develop, implement, and support cost-effective business application, integration and data solutions.

Our Aspen Values are expected to be reflected in the delivery and performance of every role.

Key Accountabilities

• Contribute to business strategy development and prioritises operational deliverables and activities of team to support delivery of overall business targets.
• Manage tactical planning and provides support to others to achieve positive results for the business in line with strategy.
• Work with/mentor enterprise and other architects to develop and maintain current and future state business, application and data architectures.
• Develop and maintain business capability and technical capability models.
• Develop and maintain aspirational architecture road maps for the enterprise, covering areas such as architecture principles, capabilities, processes, information models and IT solution landscape.
• Participate in efforts to redesign or modify the enterprise information architecture as part of, or in coordination with, business improvement initiatives.
• Build close working relationships with Operations Leadership helping to drive their digitalization journey.
• Oversight and continuous partnership with Application, infrastructure and analytics leaders on the implementation of the solutions which are driven by your teams designs.
• Develop, communicate and deploy Architecture and Technology Governance templates and processes.
• Chair and facilitate our Aspen Architecture Board and the Technology Architecture Forum and take necessary steps to ensure the quality of submissions to these forums.
• Facilitate the development of a corporate data policy or information management strategy that outlines the appropriate data ownership, stewardship and audit requirements.

Check all associated application documentation thoroughly before clicking on the apply button at the bottom of this description.
Technical Performance

• Support the Application and Engineering Delivery Leads with the design inputs for solutions, security and infrastructure.
• Oversee architecture activity and deliverables to ensure that the architecture function provides a prompt, high quality service to the rest of the organisation.
• Participate in all data integration and enterprise information management (EIM) programs and projects.
• Provide vision and supports actions to ensure innovation and competitiveness in terms of products, services, technologies, processes, etc.
• Ability to appropriately execute code reviews.

People Management

• Line manage through your leadership team the Solution and Data architects.
• Manage, resource, motivate, develop and focus the team(s) to ensure the required standards of performance.
• Manage appointment, dismissal, performance management and reward of the team(s).
• Establish clear accountabilities and authority levels for direct reports and build a strong culture of accountability and performance.

Skills & Experience

• Extensive experience of working in the Architecture domain with a proven track record of successful support and delivery.
• Significant experience in a decision right on delivery model.
• Proven experience of designing and implementing IT solutions including business applications, integration and data platforms.
• Experience of working with or in a London Market Insurance, Reinsurance or Services organisation.
• Excellent knowledge and understanding of operational IT services and delivery principles.
• Extensive experience in data integration and ETL techniques.
• Extensive experience of the Microsoft database technology stack: SQL Server, T-SQL, SSIS, SSRS.
• Knowledge of a range of different architecture processes and frameworks.
• Familiarity with insurance processes, data and technology.
• Familiarity with cloud technology platforms such as Azure, AWS, Google.
• Understanding of latest market development and innovations within the Global Insurance sector.

At Aspen we know that having a diverse and inclusive workforce is good for our people, good for our business and good for the environments in which we operate. We therefore welcome applications from people which allows us to draw on diverse cultures, perspectives, skills and experiences.

A prestigious global technology research center based in London is seeking a visionary AI Systems Architect to redefine how intelligent features are built into the core of smart device operating systems.

This is a high-impact opportunity to lead architectural innovation at the intersection of AI and OS design. The successful candidate will help drive the evolution of next-generation intelligent platforms by integrating advanced machine learning capabilities at the system level.

Key Responsibilities

• Architect next-generation operating system components that natively support AI functionalities, enabling efficient model execution and intelligent resource management.
• Embed advanced machine learning techniques into OS frameworks to enhance power efficiency, scheduling, and real-time responsiveness across device classes.
• Design and implement adaptive application frameworks that enable AI-driven user experiences.
• Monitor and evaluate developments in system-level intelligence and emerging AI technologies.
• Define long-term technology roadmaps and identify innovation opportunities aligned with strategic goals.
• Produce detailed technical specifications and architectural documentation to support integration and development teams.
• Collaborate with internal and external experts to assess and implement competitive AI innovations.

Candidate Profile - Essential Skills & Experience

• Extensive knowledge of operating system architecture, including low-level systems programming.
• Proven track record in applying AI/ML techniques at the system level, particularly within intelligent or embedded platforms.
• Strong analytical and strategic planning skills; capable of shaping long-term technology visions.
• Background in AI research, including one or more of: natural language processing (NLP), computer vision, or machine reasoning.
• Demonstrated experience leading advanced research projects and integrating results into production environments.
• Excellent communication and stakeholder engagement skills, with a focus on strategic collaboration.

Preferred Qualifications

• PhD in Computer Science, Engineering, or a closely related field.
• Publications in top-tier AI or systems conferences (e.g., NeurIPS, ICML, CVPR, OSDI).
• Experience bringing AI-powered products to market, especially within consumer electronics or mobile ecosystems.
• Familiarity with mobile OS frameworks and knowledge of AI acceleration (e.g., NPU, GPU, DSP).

If you're excited by the opportunity to shape the future of AI-native operating systems, we encourage you to apply. Send your CV to or apply now to take the next step in your career.

We are seeking an Enterprise Architect - Integration Architecture to lead the development of strategic technology direction, reusable patterns, and architectural standards across our integration domain.

As part of the Strategic Architecture team, you'll play a pivotal role in defining and delivering long-term business and digital capabilities. You'll work across both technology and operational domains, influencing investment decisions, mentoring architects, and engaging senior stakeholders across government and internationally.This is a high-impact role where your leadership will directly shape how our client delivers integrated, sustainable, and future-ready services.

Key Responsibilities:

• Lead the development of integration architecture strategy, vision, and roadmaps.
• Inspire and guide architects across mixed grades and backgrounds.
• Collaborate with senior stakeholders to shape business and technology strategy.
• Identify and exploit emerging technologies through innovation pilots and proofs of concept.
• Define and maintain architectural standards and reusable patterns.
• Assure solution designs for consistency, sustainability, and strategic alignment.
• Contribute to investment cases and whole-life costing for business and IT change.
• Provide architectural input into commercial tenders and supplier evaluations.
• Mentor and upskill architects

Key Skills Required:

• Proven experience in enterprise or domain-level architecture within integration.
• A track record of leading architecture teams and mentoring others.
• Strong stakeholder management skills, with the ability to influence at senior levels.
• Experience in setting architectural guardrails and driving adoption.
• Civil Service experience required
• Ability to communicate complex ideas to both technical and non-technical audiences.

In return, you will receive the opportunity to support a major government department. The possibility to work on a 6-month paying up to 850 p/day (in scope of IR35).

This role will require you to be on site up to 3 days a week in any of our hubs: York, Newcastle, Warrington, Bristol, Birmingham, London, Peterborough, Reading and Weybridge.





If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)

We are seeking an Enterprise Architect - Integration Architecture to lead the development of strategic technology direction, reusable patterns, and architectural standards across our integration domain.

As part of the Strategic Architecture team, you'll play a pivotal role in defining and delivering long-term business and digital capabilities. You'll work across both technology and operational domains, influencing investment decisions, mentoring architects, and engaging senior stakeholders across government and internationally.This is a high-impact role where your leadership will directly shape how our client delivers integrated, sustainable, and future-ready services.

Key Responsibilities:

• Lead the development of integration architecture strategy, vision, and roadmaps.
• Inspire and guide architects across mixed grades and backgrounds.
• Collaborate with senior stakeholders to shape business and technology strategy.
• Identify and exploit emerging technologies through innovation pilots and proofs of concept.
• Define and maintain architectural standards and reusable patterns.
• Assure solution designs for consistency, sustainability, and strategic alignment.
• Contribute to investment cases and whole-life costing for business and IT change.
• Provide architectural input into commercial tenders and supplier evaluations.
• Mentor and upskill architects

Key Skills Required:

• Proven experience in enterprise or domain-level architecture within integration.
• A track record of leading architecture teams and mentoring others.
• Strong stakeholder management skills, with the ability to influence at senior levels.
• Experience in setting architectural guardrails and driving adoption.
• Civil Service experience required
• Ability to communicate complex ideas to both technical and non-technical audiences.

In return, you will receive the opportunity to support a major government department. The possibility to work on a 6-month paying up to 850 p/day (in scope of IR35).

This role will require you to be on site up to 3 days a week in any of our hubs: York, Newcastle, Warrington, Bristol, Birmingham, London, Peterborough, Reading and Weybridge.





If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)