Senior AWS Architect

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Please find attached the job description for 4 urgent roles. I need your help in sourcing sub-contractors for these roles based in London.

Kindly help on priority. Please keep these profiles preferably within IR35.

Job Description: Senior AWS Architect (14 Years Experience)

Role: Senior AWS Architect
Experience: 14 Years (with deep AWS architectural leadership)
Focus: On prem to AWS migration Containerization Consolidation Lift & Shift AWS Native Architecture

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.
This 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

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. Technical Governance Quality & Leadership

• Serve as the technical authority for all migration-related decisions.
• Conduct architecture reviews ensure adherence to standards and enforce security/compliance mandates.
• Mentor engineering and migration teams enabling high-quality delivery aligned with enterprise objectives.
• Collaborate with program management on risk cost and timeline governance.

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.

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).

Leadership & Communication

• Ability to influence senior stakeholders and articulate architecture decisions.
• Strong problem-solving documentation and presentation skills.
• Experience collaborating across security compliance DevOps infrastructure and application teams.

Preferred Qualifications

• AWS Certified Solutions Architect Professional
• AWS DevOps Engineer / Security Specialty certifications
• Experience with FinOps cost modeling and optimization frameworks
• Experience in multi-cloud environments (nice-to-have)

Success Measures

• High-quality on-time migration delivery with zero major defects.
• Demonstrated use of AWS-native services delivering measurable cost performance and operational benefits.
• Stable secure scalable AWS target environment aligned to best practices.
• Strong stakeholder satisfaction and clear architectural governance.