Principal Architect: Amazon Web Services (AWS)

Salary: £65,000 - 105,000 per year

Requirements:

• Extensive experience designing enterprise and solution architectures on AWS, supported by relevant AWS professional certifications.
• Proven expertise across cloud strategy, enterprise transformation, distributed architectures, security, DevOps and recognised architecture frameworks including TOGAF, Zachman or Domain-Driven Design.
• Strong consulting and stakeholder management experience with the ability to influence senior technology and business leaders across complex transformation programmes.
• Experience leading cross-functional technical teams and delivering large-scale cloud transformations within Financial Services.
• A curiosity for AI-enabled ways of working and an understanding of how approved AI tools, automation and responsible AI governance can enhance architecture delivery while maintaining appropriate review, auditability and human judgement.
• Senior consulting or practice leadership experience.
• AWS Professional certifications and additional enterprise architecture qualifications.
• Experience designing enterprise-scale data and AI platforms, including Generative AI, Agentic AI and AWS-native AI services such as SageMaker and Bedrock, with an understanding of responsible AI implementation and governance.
• Experience designing secure multi-account AWS landing zones with strong security guardrails and governance.
• Experience launching greenfield cloud-native ventures or innovative digital platforms.

Responsibilities:

• Lead enterprise-scale AWS architecture engagements, defining cloud strategies, target architectures and transformation roadmaps for major financial services organisations.
• Design secure, scalable and resilient cloud-native platforms using AWS services, modern integration patterns and distributed architectures across hybrid technology landscapes.
• Advise senior stakeholders on cloud adoption, migration, modernisation and investment decisions while leading multidisciplinary engineering teams through complex delivery programmes.
• Apply modern engineering practices including DevOps, agile delivery and cloud automation, leveraging approved AI-enabled workflows where appropriate to improve productivity, architectural quality and delivery outcomes while maintaining human oversight and governance.
• Contribute to our Technology & Engineering Practice through mentoring, thought leadership, community engagement and supporting strategic business development opportunities.

Technologies:

• Agentic AI
• AI
• AWS
• Architect
• Cloud
• DevOps
• Support
• Security
• TOGAF
• Web

More:

We are Capco, a global technology and business consulting firm focused on digital innovation and transformation in financial services. We have partnered with over 100 clients worldwide, from pioneering fintechs to established global institutions, and we operate from more than 30 offices globally. In this permanent Principal Architect, Amazon Web Services role based in London (hybrid), you will help shape transformative AWS initiatives across financial services, working in a collaborative, flat and entrepreneurial culture. We offer a range of benefits including a discretionary bonus, competitive pension, health and dental insurance, life insurance, critical illness cover, mental health support, family-friendly leave, backup care, 5 weeks of annual leave with buy/sell options, continuous learning, and extra perks such as Gympass, travel insurance, Tastecard, season ticket loans and a Cycle to Work scheme. We are committed to accessibility, inclusion and the #BeYourselfAtWork culture.

last updated 34 week of 2026