Planning and implementing the changes on Billing & Charging Systems in UAT & Production platforms as a result of release, incidents management;

Implementation of a new service, system updates, SW upgrades, or enhancement in Billing & Charging Platforms (dPCC, SCP, DRA, HomeNet, Voltdb, dBRM, SAP, FMS etc.);

Execution and monitoring of the Fix Invoice Process, (including FIX Invoice Checks) and Fiscalization Process Support and provide necessary fixes for Customer Care;

Handle requests & queries coming from different stakeholders in the company and externally;

Execution of Acceptance Tests during upgrades or issue fixes installations in Billing & Charging platforms; Support and monitor Dunning Process activities;

Perform day-to-day health checks and activities for operations and maintenance of the platforms and ensure the service availability of Billing & Charging applications by proactive and preventive maintenance activities;

Handle incidents to restore services or to provide solutions, escalation, follow up close until resolution;

Analyze, investigate, and resolve customer complaints based on agreed SLAs;

Other duties at the request of the Superior based of job profile.