Dun & Bradstreet is seeking an Application Operations Engineer for a fixed-term contract to provide technical support for their point of arrival products, ensuring long-term stability and customer satisfaction. The role involves collaborating with various technical teams, including second-line support, development, infrastructure, cloud, and network teams, as well as incident managers. Responsibilities include building expertise in cloud platforms, monitoring production environments, creating and maintaining documentation, proactive health monitoring, resolving major incidents, analyzing trends, providing project support in a 24/7 third-level capacity, coordinating with service providers, and mentoring junior team members.