Join our Team

About This Opportunity
We are seeking a talented CS CORE Performance Engineer at the Engineer/Senior Engineer level to join our performance optimization team in Noida, India. Reporting to the Performance Manager, you will play a critical role in driving performance improvements within our managed services operations, particularly in telecom core network environments. This position requires a degree in Electronics and Telecommunication Engineering and offers the chance to work with cutting-edge telecom infrastructure.

What You Will Do
• Execute performance improvement initiatives and delivery activities within well-defined system support guidelines and processes (MSTOP)
• Design, configure, and troubleshoot core network elements from leading vendors (Ericsson, Nokia, Huawei) including MSC, GMSC, MGW, DRA, SBC, and RAN nodes
• Analyze and optimize critical performance KPIs such as PSR, SCR, LUSR, CSFB, SRVCC, SMS MT/MO, ASR, TAU, and capacity metrics
• Evaluate capacity requirements and provide recommendations for network optimization




• Support VoLTE/IMS and VoWiFi configurations on MSS nodes
• Lead technical discussions focused on performance enhancement and provide actionable recommendations
• Ensure adherence to correct work methodologies to prevent network outages
• Collaborate with NPI, project, and circle planning teams to align performance objectives

The Skills You Bring
• 4-8+ years of hands-on experience in telecom core networks, particularly 2G/VoWiFi domains
• Proven expertise with core nodes and protocols (GSM, WCDMA, LTE, VoWiFi)
• In-depth knowledge of at least 2 major vendors (Ericsson, Nokia, Huawei
• Strong understanding of GSM/LTE fundamentals and 3GPP standards
• Expertise in SS7, IP signaling, SIP, Diameter, TCP/UDP protocols, and SIGTRAN
• Proficiency in call flow analysis and core network interface knowledge
• Advanced capability in performance KPI analysis and service awareness
• ICR configuration and troubleshooting experi

📌 Engineer CS Core Performance Management (India)
🏢 Ericsson
📍 India