■ Ensuring that the Core Network O&M is carried out with the absolute standards to maximize availability & system performance 24/7.■ Problem synthesis & reporting to the customer■ Coordination with the customer - being a dynamic interface to the customer to validate that the company is receiving high quality systems & technical support.■ Providing Level-2 technical support & troubleshooting.■ Trouble ticket escalation to the Level-3 support - in case there’s an Emergency or Business critical issue.■ Ensuring strict SLA compliance to meet the department objectives according to the agreed level and related to the corporate objectives.■ Routine checks & system health checks (both hardware & software) of LIVE nodes to resolve anomalies.■ Carrying out appropriate hardware & software Acceptance tests on all new equipments prior to commercial launch.■ Maintaining Core Nodes to ensure they’re in a good working condition.■ Vendor proficiency includes; - Huawei MSC, MSOFTX3000 & ATCA-MSOFTX3000 - Huawei HLR, ngHLR-9820 - Huawei STP, SG7000 - Huawei MGW, UMG8900 - Huawei SBC, SE2600 - Huawei GENEX CN Nastar■ Hardware & software upgrades of all Core nodes timely as per requirement.■ Configuration management for actual data configuration, modifications & provisioning in the LIVE network, and its pre/post impact analysis.■ Resolving customer complaints within the agreed SLAs.■ Performance management - to analyze KPIs & traffic trend. Proactively planning enhancements to avoid bottlenecks and degradations.■ Fault Management - to examine, handle & resolve faults that may occur in the LIVE network.■ Coordination with other vendors for fault identification & rectification.■ Follow up on actions & measures taken by related teams to resolve outstanding issues.■ Coordinate planned work & assist related teams to implement changes.