Kryptos Technologies UK Limited

Enterprise Architect – AWS

Kryptos Technologies UK Limited

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Location Type: Hybrid

Location: London • United Kingdom

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Job Level

SeniorLead

Tech Stack

AWSCloudDynamoDB

About the role

  • Lead and govern large-scale on-premises to AWS migration programs
  • Define the overall cloud migration blueprint
  • Lead current-state assessment and target-state AWS architecture definition across compute, storage, networking, security, identity, data, and application domains
  • Select appropriate AWS services aligned to enterprise standards, scalability needs, security controls, and cost expectations
  • Own delivery governance for migration execution
  • Guide migration teams on workload prioritization, dependency mapping, wave planning, and cutover strategies
  • Provide architectural oversight during build, testing, deployment, and hypercare phases
  • Ensure seamless integration of enterprise tools within the AWS target environment
  • Establish and maintain a migration risk register
  • Drive proactive mitigation strategies and technical solutions to reduce migration complexity and cutover risks
  • Collaborate with FinOps teams to track usage patterns and optimize ongoing run-rate
  • Present architectural decisions, risks, and progress updates to senior leadership and steering committees

Requirements

  • 18–22+ years of experience in enterprise IT architecture
  • 4–6+ years in AWS cloud architecture
  • Proven hands-on experience designing and governing complex cloud migration programs
  • Strong knowledge across: AWS compute, storage, networking, VPC design, IAM, KMS
  • Containers & serverless (ECS, EKS, Lambda)
  • Databases (RDS, Aurora, DynamoDB, migration tooling like DMS)
  • Landing zone / multi‑account design (Control Tower, Organizations)
  • Security architecture, compliance, encryption, and zero-trust principles
  • Expertise in TOGAF, SABSA, or equivalent frameworks
  • AWS Certified Solutions Architect – Professional (highly preferred)
  • AWS Certified Security / DevOps Engineer certifications
  • Experience with hybrid-cloud, multi-cloud, and on-prem infrastructure modernization
  • Experience working with FinOps teams on cloud cost governance
Benefits
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Hard Skills & Tools
AWS cloud architecturecloud migrationAWS computeAWS storageAWS networkingVPC designIAMKMScontainersserverless
Soft Skills
leadershipgovernancecollaborationcommunicationrisk managementproblem-solvingstrategic planningoversightpresentation skillsteam guidance
Certifications
AWS Certified Solutions Architect – ProfessionalAWS Certified Security EngineerAWS Certified DevOps Engineer