Some of the tasks:

Designing and building scalable and highly available architecture for various types of applications on AWS.

Identifying and recommending the appropriate AWS services to use for a given solution.

Creating and maintaining detailed architecture diagrams and documentation.

Providing guidance on best practices for security, compliance, and governance on AWS.

Assessing and optimizing the cost of solutions on AWS.

Collaborating with other teams such as development, operations, and security.

Providing guidance on how to migrate existing applications and workloads to AWS.

Building and deploying solutions using a variety of AWS services such as Amazon EC2, Amazon S3, Amazon RDS, Amazon DynamoDB, Amazon Elastic Container Service (ECS), and Amazon Elastic Kubernetes Service (EKS).

Monitoring and troubleshooting cloud-based solutions on AWS.

Continuously improve and evolve the solutions to meet the changing needs of the business and take advantage of new AWS services and features.