VAS Performance Engineer

About the role

A full-time VAS Performance Engineer is sought to monitor, analyze and optimize the performance of Value-Added Services (VAS), ensuring high availability, KPI compliance and an excellent customer experience.

Key responsibilities

• Monitor and optimize VAS platforms including USSD, MCN, VMS, RBT, SMSC, MMSC, Anti-Spam and MCC
• Analyze KPIs/KQIs, identify performance degradations and carry out root cause analysis
• Prepare performance reports, dashboards and improvement recommendations
• Coordinate with Core, IP, Transmission and IT teams to resolve end-to-end issues
• Drive optimization initiatives, capacity planning and configuration tuning
• Support new service rollouts and ensure performance compliance
• Develop automation use cases and use analytics tools for proactive monitoring
• Present performance insights to customers and internal stakeholders

Required profile

• Strong knowledge of VAS architecture and protocols (SMPP, HTTP, SIP, SS7, Diameter)
• Hands-on experience with USSD Gateway, SMSC, MMSC, VMS and related VAS platforms
• Understanding of 2G/3G/4G/5G core integration with VAS services
• Experience with ENIQ, CEM, probes, dashboards or similar performance tools
• Strong analytical and troubleshooting skills with KPI-driven optimization experience
• Preferred: experience with telecom operators or vendors such as Ericsson or Huawei

Required skills

• Protocol knowledge: SMPP, HTTP, SIP, SS7, Diameter
• Preferred: Python or SQL and automation concepts