AWS Architect

Overview

Senior AWS Architect - London (Hybrid) - 6 months+ with possible extension.

Role Overview: We are seeking a highly accomplished Senior AWS Architect with 14+ years of enterprise technology experience and proven expertise in leading complex on prem to AWS migration programs. The ideal candidate will architect scalable, secure, cost optimized target environments on AWS, guide containerization & modernization initiatives, and drive migration strategies such as rehost (lift & shift), replatforming, refactoring, and application consolidation. The role requires a blend of deep hands on AWS knowledge, architectural leadership, stakeholder management, and the ability to articulate business value through AWS native capabilities.

Key Responsibilities

Responsibilities

• AWS Target Architecture & Design
  • Define end to end target state architecture across compute, networking, security, storage, data, and application layers.
  • Architect AWS landing zones, multi account structures, and IAM strategy using AWS best practices.
  • Recommend and architect AWS native solutions (e.g., EKS, ECS, Lambda, RDS, DynamoDB, API Gateway, CloudWatch, S3, CloudFront, KMS, Control Tower).
  • Ensure architectures are scalable, cost efficient, secure, and operationally resilient.
• On Prem to AWS Migration Leadership
  • Lead the architectural vision and execution strategy for migrating large application landscapes.
  • Define migration patterns like lift & shift, lift & optimize, containerization, application consolidation, and modernization.
  • Perform application discovery, dependency mapping, and wave planning.
  • Provide architectural governance and oversight through design, build, test, migration, and cutover.
• Containerization & Modernization Strategy
  • Define and lead containerization journeys using Amazon ECS, EKS, Fargate, and container focused CI/CD pipelines.
  • Guide teams in refactoring monolithic applications into containerized or microservices architectures.
  • Work closely with DevOps and platform teams to design secure, automated, and scalable container platforms on AWS.
• Application & Infrastructure Consolidation
  • Identify opportunities for consolidation of on prem workloads while designing simplified, optimized AWS based architectures.
  • Rationalize applications, databases, and infrastructure footprints to reduce complexity and improve cost efficiency.
  • Standardize patterns, templates, reusable modules, and architectural blueprints.
• AWS Native Services Enablement & Value Realization

  • Evaluate and recommend the right AWS native services based on performance, cost, security, and business outcomes.

  • Present detailed business cases showcasing benefits such as:

  • Cost optimization (right sizing, savings plans, S3 tiers, serverless models)

  • Operational efficiency (automation, managed services, observability)

  • Security enhancements (IAM, KMS, zero trust designs)

  • Scalability & reliability (autoscaling, global reach, high availability)

  • Advise clients on cloud operating model transformation and best practices

• Migration & Modernization Expertise
  • Proven experience leading end to end large scale migration programs.
  • Strong understanding of application architectures (monolith, microservices, distributed systems).
  • Skilled in designing containerization & orchestration strategies (Docker, Kubernetes, EKS).

Requirements

Required Skills & Experience

Technical Expertise

• 14+ years of enterprise IT experience with extensive AWS cloud architecture expertise.
• Strong hands on skills across AWS compute, networking (VPC, TGW), IAM, storage, container platforms, and automation tools.
• Deep experience with:
• EC2, Lambda, ECS/EKS/Fargate, RDS/Aurora/DynamoDB, S3, CloudFront, Route53
• Designing secure IAM/KMS strategies
• Architecting multi account environments using Control Tower / Organizations
• Expert level understanding of migration tooling (CloudEndure, DMS, SMS) and modernization frameworks.

Preferred Qualifications

• AWS Certified Solutions Architect - Professional
• AWS DevOps Engineer / Security Specialty certifications