The Application Operations Engineer will be responsible for managing complex applications hosted on the cloud, supporting application maintenance activities, and managing daily data processing and troubleshooting failures. They will build proactive monitoring and alerting services and automate tasks using Ansible, Python, and Perl scripting. This role involves setting up and securing new application instances, change management, and creating deployment and rollback plans. The engineer will also create and maintain a knowledge base and create deployment scripts for different environments, configure and optimize instances for optimal performance, and provide support and implementation alongside technical and operations teams. The engineer will work on complex customer problems and help build and improve customer operations through automation and deployment of AWS resources. The role also involves driving customer communication during critical events and providing on-call off-hour support in a 24/7 shift environment.