CS/IMS Core Operations Engineer

Job Description

• To maintain Cloud NFV platforms such as Cloud SPS/IMS/HSS/UDM.
• To cooperate with Manage Services vendors to ensure that the Core Network is operated according to management requirements.
• To communicate with mobile operators and service providers to resolve interconnection issues. To interface with other national operators and other operational regions for cooperating in resolving the inter-operator issues
• To handle related regulatory tasks related to network CS/IMS Core operation.
• To collaborate with the ITS department to enhance inter-department negotiations and cooperation, and enhance network KPIs and operational procedures in related areas.
• To participate in ATP test meetings, assess the test results, and review Core delivery documents such as BOQ, HLD, LLD, and Asset Sheet during the handover process.
• To monitor CS/IMS Core Trouble Tickets (TT), as agreed in their Managed Services, the Service Level Agreements (MS SLAs), and escalating to the line manager.
• To collaborate with other departments to solve and improve their requirements, and communicate with departments for performing operational plans effectively.
• To track day-to-day operational issues, failures, and capacity of the Core network and coordinate planned work.
• To supervise Core Network health checks, software and license loading, patch upgrade, and hardware expansion.
• To support developing service monitoring functions and KPI mechanisms to ensure that the vendors deliver the agreed performance for the Core nodes.
• To monitor, check and improve preventive maintenance (PM) tasks in Core CS/IMS from both hardware and software perspectives.
• To analyze network failures and escalate important ones to higher managers in the Core CS/IMS domain.
• To monitor resource utilization and dimensioning and report to the line manager and Core planning team.
• To review all changes, incidents, problem tickets, and operation logs related to the Core network.
• To perform a health check of all new services into the CoreCS/IMS network and create related documentation.
• To implement root cause analysis to identify network failures and follow up with MS and improve subscriber experience by enhancing the network KPIs.
• To create dashboards and monitor regarding Network KPI of all Core CS/IMS nodes.
• To monitor Change Requests (CRs) in Core CS/IMS to ensure results are based on the expectation.
• To learn and update DRP (Disaster Recovery Plan) for the Core CS/IMS network.
• To support the Core CS/IMS Operation Manager in the meetings and provide technical reports.