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Posted 23 July, 2026

AWS Application Migration Architect

TALENT INTERNATIONAL UK LTD
London, ENG, GB Full Time

Job Description

Job Description:Position: AWS Core ArchitectLocation: Hybrid - LondonContract Type: Contract Inside IR35Security Clearance: BPSS / SC Clearance requiredIn this contract, you will lead the architecture assessment of legacy application estates and design exactly how they will land, run, and operate on a newly established AWS core cloud platform.Legacy Assessments: Conduct deep-dive architectural assessments of legacy applications, evaluating technology stacks, data flows, interfaces, and operational models.Target Landing Design: Define target account structures, network placements, compute/storage patterns, and IAM configurations using standard AWS landing zone architectures.Migration Strategy: Formulate concrete migration treatments (rehost, replatform, refactor, etc.) and address dependencies, cutover sequences, and rollback strategies.Core AWS and EKS Patterns: Design specific integration patterns for S3, VPC, IAM, KMS, CloudWatch, and CloudTrail. Define managed Kubernetes/EKS landing patterns where container runtimes are required.Infrastructure as Code: Ensure all designs are fully translated using Terraform or CloudFormation.Deliverables: Author high-quality Architecture Decision Records (ADRs), transition-state designs, migration design documents, and operational runbooks.Essential Experience: 5+ years of dedicated cloud architecture experience, with at least 2+ years of hands-on experience executing complex AWS migrations.Active AWS Certified Solutions Architect - Professional credential.Extensive knowledge of core AWS services, specifically VPC, IAM, KMS, CloudWatch, CloudTrail, AWS Config, S3, EC2, RDS, and Lambda.Strong expertise in designing AWS Landing Zones and workload isolation patterns.Hands-on experience with IaC toolsspecifically Terraform or CloudFormationand migration tooling such as AWS Application Migration Service (MGN) and Database Migration Service (DMS).Experience drafting assessment packs, as-is/to-be architectures, migration roadmaps, and ADRs.Basic scripting capabilities in Python or Bash.Exceptional stakeholder communication skills, with a proven ability to bridge technical designs with business requirements.Highly Desirable (Nice to Have): Prior experience executing large legacy-to-cloud migrations within highly regulated environments.Experience with Kubernetes/EKS tooling such as Argo CD, Flux, Prometheus, Grafana, or Istio.A broader multi-cloud perspective (Azure or GCP).£600.00 - £650.00 / dayTalent International UK and it's subsidiaries, Digital Gurus, Infinite Talent and Rethink act as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this opportunity, you accept the TandC's, Privacy Policy and Disclaimers which can be found at talentinternational.co.ukTPBN1_UKTJ