Day to day activities for a AWS DevOps Engineer.

1. Infrastructure Provisioning and Management: Design, deploy, and manage cloud infrastructure using AWS services such as EC2, S3, VPC, Lambda, etc. Implement infrastructure as code (IaC) using tools like AWS CloudFormation or Terraform. Automate infrastructure provisioning and configuration using tools like AWS Elastic Beanstalk or AWS OpsWorks.

2. Continuous Integration and Continuous Deployment (CI/CD): Implement and maintain CI/CD pipelines using tools like AWS CodePipeline, CodeCommit, and CodeBuild. Configure and manage source code repositories, ensuring proper version control and code branching strategies. Automate build, test, and deployment processes to achieve faster and reliable software releases.

3. Configuration Management: Utilize configuration management tools like AWS Systems Manager, Puppet, or Ansible to manage and enforce consistent server configurations. Define and manage infrastructure and application configuration templates. Monitor and track changes to configurations, ensuring compliance and minimizing configuration drift.

4. Monitoring and Logging: Implement monitoring and logging solutions using AWS CloudWatch, AWS CloudTrail, or third-party tools. Set up and configure alerts, dashboards, and metrics to proactively monitor system performance, availability, and security. Analyze logs and metrics to identify performance bottlenecks, troubleshoot issues, and optimize system resources.

5. Security and Compliance: Implement security best practices and ensure compliance with industry standards and regulations. Configure security groups, access controls, and encryption mechanisms for AWS resources. Perform vulnerability assessments, security audits, and implement remediation strategies.

6. Incident Management and Troubleshooting: Respond to and resolve production incidents, performing root cause analysis and implementing preventive measures. Collaborate with cross-functional teams to troubleshoot and resolve issues related to infrastructure, deployments, or performance. Implement disaster recovery strategies and backup solutions to ensure business continuity.

7. Collaboration and Communication: Collaborate with development teams to understand requirements, provide guidance on infrastructure architecture, and optimize application performance. Communicate effectively with stakeholders, presenting technical information and recommendations clearly. Foster a culture of collaboration, knowledge sharing, and continuous improvement within the organization.

8. Research and Innovation: Stay up-to-date with the latest AWS services, tools, and best practices. Evaluate and recommend new technologies, tools, and processes to enhance system reliability, scalability, and performance. Participate in professional communities, attend conferences, and contribute to open-source projects.