Core Team Lead - CS, PS

Job Purpose

We are seeking a Core Team Lead responsible for monitoring and troubleshooting a large-scale CS, PS, and ITSC network. This role involves coordination, management, troubleshooting, reactive maintenance, and creating internal knowledge base sessions for the core team.

• Configuration Changes:Troubleshoot configuration changes for MSC, MGW, HLR, HSS, STP, SBC, UDM (CUDB, HSS[1]FE, HLR-FE), and IMS (P, I, S-CSCF, ATS, MGCF, MRFP, CG, ENUM, DRA, UPG) following approved processes.
• MSTOP Compliance:Ensure MSTOP processes are followed in the workplace.
• Technical Discussions:Participate in internal technical discussions to enhance network monitoring and first-level troubleshooting.
• Best Practices:Ensure correct methodologies, best practices, and continuous improvement in efficiency.
• Fault Management:Manage fault handling and localization within SLA timelines.
• Change Management Support:Support and coordinate the team during change management and CR implementation.
• Incident Recovery:Ensure incident recovery is achieved within SLA.
• Team Leadership:Lead the FO core team and ensure fulfillment of all KPIs.
• Performance Improvement:Enhance the performance of first-level operation engineers during shifts and provide guidelines for quality and consistency.

• Education:BSc. degree in Electrical Engineering with a major in Communication and Electronic Engineering.
• Experience:8+ years CS/PS troubleshooting.
• Core Protocols Knowledge:Understanding of core protocols (SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, Diameter).
• Call Flow Understanding:In-depth understanding of call flow in CS Core, VOLTE/IMS.
• Network Knowledge:Clear understanding of 2G/3G/4G core network nodes, protocols, and signaling flow.
• Hands-on
  
  Experience:
  
  Strong O&M experience with voice core CS nodes (e.g., MSC, MGWs, STP, UDC, APG).
• Second Level Operations:Hands-on troubleshooting experience on IMS nodes (e.g., SBG, MTAS, CSCF, Ipworks, Eme).
• Virtualization and Cloud Knowledge:Good knowledge of virtualization, Cloud NFVI, and NFVO preferred.