American Express

Principal Architect, Enterprise Architecture

American Express
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2 days ago
Westminster, United KingdomStaff+

Responsibilities

  • Define and advance AI and agentic platform architecture strategy, including agentic security, MCP ecosystem enablement, SaaS integration, and home-grown AI capabilities.
  • Provide hands-on architectural leadership for complex AI use cases from exploration through production deployment and scale.
  • Create reference architectures, reusable patterns, standards, guardrails, architecture decision records, and evaluation practices for generative AI, agentic systems, and intelligent automation.
  • Align AI architectures with enterprise architecture, security, privacy, risk, compliance, regulatory, and model-governance requirements.
  • Shape technical direction for AI-enabled platforms and identify high-impact opportunities improving automation, customer and colleague experiences, efficiency, resilience, and performance.
  • Lead architecture reviews, define measurable architecture outcomes, and contribute to the Enterprise Architecture Playbook.
  • Lead prototypes and production implementations for mission-critical systems and support modernization and program management of complex platforms.
  • Communicate complex architecture and AI concepts to technical and executive audiences and mentor architects and senior engineers.

Requirements

  • 15+ years of progressive experience in technology architecture, software engineering, or a comparable discipline in a large-scale, complex environment.
  • Bachelor’s degree in computer science, computer science engineering, or a related field is required; an advanced degree is preferred.
  • Demonstrated experience designing and delivering enterprise-grade platforms, products, or technology capabilities.
  • Deep knowledge of large-scale system architecture, distributed systems, APIs, cloud-native platforms, data-intensive applications, and hybrid technology environments.
  • Experience defining or implementing enterprise AI architecture involving generative AI, machine learning, intelligent automation, or agentic systems.
  • Understanding of scalable, production-grade AI concerns including scalability, latency, reliability, security, observability, evaluation, lifecycle management, and cost optimization.
  • Experience creating reference architectures, reusable patterns, technical standards, architecture decision records, engineering guardrails, OKRs, ROIs, and architectural assessments.
  • Ability to influence senior leaders, architects, engineers, product teams, and governance functions across a complex matrixed organization.
  • Ability to operate as a horizontal technical leader and complex platform and technical product manager without direct ownership.
  • Experience leading large and complex programs within time and budget constraints.

Benefits

  • Competitive base salaries and bonus incentives.
  • Financial-well-being and retirement support.
  • Medical, dental, vision, life insurance, and disability benefits depending on location.
  • Flexible hybrid, onsite, or virtual working arrangements depending on role and business need.
  • Generous paid parental leave depending on location.
  • Access to global onsite wellness centers staffed with nurses and doctors.
  • Free confidential counseling through the Healthy Minds program.
  • Career development and training opportunities.

Categories

American Express

About American Express

10,000+ employees

American Express builds a global payments network and issues consumer, small-business, and corporate cards, plus merchant acquiring and travel services. Revenue comes from card fees, interest and lending, discount/merchant fees, and network services. Founded in 1850 and headquartered in New York City, it operates the Amex acceptance network worldwide and offers co-branded cards and membership rewards across millions of cardmembers and merchants; ticker NYSE: AXP.

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