Cloud Technical Architect - AWS

About the Company

Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

About the Role

NTT DATA Thailand is seeking a Senior Associate Cloud Technical Architect with strong AWS expertise to join our Presales team, specializing in Application Modernization solutions. This role combines deep technical knowledge of cloud-native architecture with customer-facing presales capabilities to design and articulate transformative cloud modernization strategies for enterprise clients.

Responsibilities

• Lead technical discovery sessions with prospective clients to assess current application architectures, technology stacks, and modernization readiness.
• Design comprehensive AWS-based application modernization solutions including containerization (EKS, ECS, Fargate), serverless architectures (Lambda, API Gateway, EventBridge), and microservices patterns.
• Develop migration strategies (6Rs: Rehost, Replatform, Refactor, Rearchitect, Retire, Retain) tailored to customer business objectives and technical constraints.
• Create detailed solution architectures, reference architectures, and technical design documents that address scalability, resilience, security, and cost optimization.
• Architect cloud-native CI/CD pipelines using AWS CodePipeline, CodeBuild, CodeDeploy, or integration with GitLab/GitHub Actions for automated application delivery.
• Define observability and monitoring strategies leveraging CloudWatch, X-Ray, CloudTrail, and third-party APM tools for modernized applications.
• Deliver executive-level and technical presentations, workshops, and proof-of-concept demonstrations to articulate the value proposition of AWS application modernization.
• Conduct application portfolio assessments and provide strategic recommendations on modernization priorities and sequencing; respond to RFPs/RFIs with detailed technical proposals and effort estimations.
• Serve as a trusted technical advisor throughout the presales cycle and build accelerators, reference implementations, and reusable modernization patterns.
• Partner with sales teams to develop account strategies, collaborate with delivery teams for seamless handoff, and work with AWS partner teams to leverage funding programs (MAP, MRA) and co-selling opportunities.
• Contribute to the development of the application modernization practice and mentor junior architects and presales engineers.
• Develop detailed effort estimates and AWS infrastructure cost models using AWS Pricing Calculator, Cost Explorer, and third-party tools; identify cost optimization opportunities and apply FinOps principles.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
• 5+ years of hands-on experience in application development, cloud architecture, or DevOps roles with demonstrated progression into presales or solution architecture.
• 3+ years of direct experience with AWS services focused on compute, containers, serverless, and application integration.
• Proven track record in presales, solution architecture, or technical consulting roles supporting enterprise customers.

Technical Skills

• Deep expertise in AWS compute services: EC2, ECS, EKS, Fargate, Lambda, App Runner, Elastic Beanstalk.
• Containerization technologies: Docker, Kubernetes, Helm, container registries (ECR).
• Serverless architectures and event-driven design using Lambda, API Gateway, EventBridge, Step Functions, SQS, SNS.
• Application modernization patterns: strangler fig, anti-corruption layer, CQRS, event sourcing, saga pattern.
• Microservices architecture, API management (API Gateway, AppSync), and service mesh technologies.
• Infrastructure as Code: Terraform, CloudFormation, CDK, or Pulumi.
• CI/CD pipeline design and implementation using AWS native tools or third-party platforms (GitLab CI, GitHub Actions, Jenkins).
• Application migration tools: AWS Application Migration Service (MGN), AWS Migration Hub, CloudEndure.
• Networking in AWS: VPC, Transit Gateway, PrivateLink, Route 53, CloudFront, AWS WAF.
• AWS security services: IAM, Secrets Manager, KMS, Security Hub, GuardDuty, Cognito.
• Databases on AWS: RDS, Aurora, DynamoDB, ElastiCache, DocumentDB, and migration strategies.
• Programming/scripting proficiency.