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Callista

Senior AWS Cloud Architect

Callista

Senior AWS Cloud Architect supporting enterprise cloud initiatives with scalable and secure AWS architectures. Ideal for candidates with strong knowledge of AWS and cloud-native architectures.

Posted 7/8/2026full-timeRemote • 🇨🇭 SwitzerlandSeniorWebsite

Tech Stack

Tools & technologies
AWSCloudEC2MicroservicesTerraform

About the role

Key responsibilities & impact
  • Design, implement, and review enterprise-grade AWS cloud architectures
  • Define architecture standards, best practices, and cloud platform guidelines
  • Ensure solutions meet requirements for scalability, high availability, security, and disaster recovery
  • Lead architecture discussions and technical reviews with business, security, development, and operations teams
  • Advise engineering teams on cloud-native approaches and implementation decisions

Requirements

What you’ll need
  • Bachelor’s or Master’s degree in Computer Science, Software Engineering or Information Technology
  • Extensive hands-on experience in cloud, platform, or infrastructure architecture
  • Proven experience delivering end-to-end AWS projects in complex enterprise environments
  • Strong knowledge of AWS services including EC2, S3, RDS, Lambda, ECS/EKS, IAM, CloudWatch, and VPC
  • Experience with cloud architecture patterns, security by design, IAM, networking, and governance
  • Hands-on experience with Infrastructure as Code (Terraform or CloudFormation) and CI/CD environments
  • Knowledge of containers, microservices, serverless, and event-driven architectures
  • Strong communication skills and ability to influence technical decisions at enterprise level
  • Industry experience in Life Sciences, Pharmaceuticals, Chemicals, or CDMO environments is highly desirable and will be considered a strong advantage.

Benefits

Comp & perks
  • Available to start immediately
  • 60% - 100% workload
  • Remote working model
  • Duration: 2-3 months

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
AWS ServicesEC2S3RDSLambdaECS/EKSIAMCloudWatchVPCCloud Architecture Patterns
Soft Skills
Strong Communication SkillsAbility to Influence Technical Decisions