Charging System Engineer

Job Description :

• End-to-End System Administration, Operation and Maintenance of all Charging System nodes (CCN , SDP, AIR, ECMS, NG-CRS, HP-IVR,SI Router ,VS,).
• Trouble shooting, Fault Investigation, Root Cause Analysis of all Charging System nodes.
• Statistical Performance Reporting and Analysis of all Charging System nodes.
• Delivery Performance & Quality Management based on the contractual SLA. Monitor Delivery Performance.
• Ensure contractual KPI fulfillment and Performance Reporting to the customer organization.
• Perform hierarchical escalation of critical/major incidents and act as the primary interface towards the customer.
• Routine Preventive Maintenance, Health Check, Back Up, Disaster recovery,Fault Trend Analysis etc. of all Charging System issues, faults etc..
• Integration of new features and services in Charging System nodes.
• Coordinate and interface with Ericsson, Customer and 3PP Support and Project organizations for escalated issues and ongoing Projects.
• Improve operational efficiency by developing scripts and tools.
• Interface customer organizations regarding operational issues, queries, clarification requests, escalations. Assist customer with technical solution, advise, guidance and recommendations.
• Ensure system uptime and service availability of all Charging System nodes according to contractual SLA.
• Unix Systems Administration and Database Administration experience.
• Application development and scripting experience.
• Having experience on protocols such as CIP-IP, SIGTRAN, DIAMETR, MAP USSD, ISUP, UCIP, ACIP, CCAPI.