Senior Core Network Backoffice Engineer

Job Description :

• Within the scope of operation and maintenance of the nodes and/or applications under the responsibility of the Core Team, the Core Network engineer is responsible for:
• Preventive, Corrective and Planned Corrective Maintenance
• Timely Node and/or Functionality Restoration according to KPI established levels
• Ensure Trouble Ticket (TTs) turn-around times meet established SLA levels
• Configuration Change Introduction and Management
• Creation and Improvement of O&M procedures and routines in order to keep performance and availability at KPI established levels
• Handover Quality Assurance for new Nodes and Services
• Routine activities (i.e. as per daily, weekly checklists, etc) to assess the node/service's overall health and performance.
• Periodic backups of nodes as per backup schedule.
• Trouble Ticket (TT) handling
• Reporting and Escalation of faults to Supplier Support (e.g. CSR handling)
• Node and Functionality restoration during Emergencies
• Plan and coordinate work activities such as upgrades, correction installation, etc with other teams in the O&M Organization and/or Suppliers
• Prepare and Implement Data Transcripts changes for system improvements, inter-node connectivity, international roaming agreements, and optimal routing
• Prepare and implement subscriber data modifications for end-user services / customer care
• Prepare and Implement configuration changes for overall system/functionality improvement and/or optimization
• Participate in New Node and/or New Service and/or Upgrade Projects together with Supplier (e.g. Network Rollout projects) as (i) an advisor and point of reference for operational feasibility, (ii) during the Acceptance /ATP, and (iii) to ensure a Quality Handover that focuses on maintainability and supportability of Node/Service.
• Participate in On-Call Schedule on rotational basis.
• Provide performance reporting with adequate information i.e. root-cause analysis, to enable stakeholders determine appropriate long-term improvements with of Network Optimisation team
• Administration, Installation and Reconciliation of subscribers in accordance with other processes/teams within the enterprise e.g. billing, marketing, IN Prepaid/SL, Design and Engineering.
• AXE (All Generations) including IOG/APG40/APG43
• Comprehensive understanding of GSM and Troubleshooting Expertise
• MSS/BC/GMSC/HLR/FNR/AUC/IPSTP/MGW
• Fault Isolation and Troubleshooting, PTS, In-Depth Knowledge of Data Transcripts, Winfiol, OSS (CNA, OPS and SMO), WindowsNT, PCAnywhere, basic UNIX, SS7 Signalling and Tracing, basic TCP/IP, MFC and ATM, Tracing (Wireshark)
• Protocol Analyzers (K15), Trouble Ticket Manager, CSR Online, MHS, PRIMUS