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Senior AWS Cloud Architect 60-100%

  • Remote

Job description

For our client, we are looking for an experienced Senior AWS Cloud Architect to support enterprise cloud initiatives. You will design and shape scalable, secure, and resilient AWS architectures, define best practices, and provide technical guidance across teams.

 

Responsibilities include, but are not limited to:

  • 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

 

Job requirements

Requirements:

  • 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

 

General Conditions:

  • Start Date: Available to start immediately

  • Workload: 60% - 100%

  • Working Model: Remote

  • Duration: 2-3 months

  • Fluent in English is a Must, German would be an advantage

  • Ideal candidate based in: Switzerland, willing to travel within Switzerland

or

Details

Remote
  • Basel-Land, Switzerland

IMPACT DELIVERED

Callista is an partner-managed IT company headquartered in Switzerland that specializes in providing experts, dynamic teams and managed capacity solutions for consulting, engineering and operational services.

We combine the proximity and quality of a Swiss partner with the scalability of our nearshore center in Serbia. This model offers you maximum flexibility – cost-effective, reliable and future-proof. With a strong network that extends from Switzerland to Germany and the Balkan region, as well as our deep technological and methodological expertise, we strike the perfect balance between local presence and international efficiency.