About Position:

We are seeking a highly skilled Senior Wireless Core Network Operations Engineer to join our Wireless Core Network Operations team. This role is responsible for the end-to-end administration, monitoring, maintenance, and optimization of HLR/HSS systems that support mission-critical wireless services. The ideal candidate will possess robust expertise in wireless core network technologies, subscriber management platforms, and telecom signaling protocols, ensuring high availability, reliability, and operational excellence across the wireless network workplace.

• Role: Senior Wireless Core Network Operations Engineer
• Location: All Persistent Locations
• Experience: 8 to 15 Years
• Job Type: Full time Employment

What You'll Do:

• Administer, monitor, and maintain HLR/HSS systems to ensure optimal performance, availability, and operational stability.
• Support end-to-end subscriber management for wireless network services across 3G and 4G environments.
• Monitor and troubleshoot complex issues related to HLR/HSS platforms, subscriber provisioning,



and network signaling.
• Analyze and resolve SS7 and Diameter signaling issues affecting wireless service operations.
• Collaborate with engineering, operations, and vendor teams to support mission-critical wireless core network services.
• Perform system configuration, upgrades, patch management, and preventive maintenance activities.
• Conduct operational health checks and implement best practices to improve system reliability and performance.
• Investigate and resolve network incidents, outages, and service-impacting issues within defined SLAs.
• Participate in capacity planning and performance tuning activities to support growing subscriber demands.
• Monitor network performance metrics and recommend improvements to optimize service delivery.
• Develop and maintain operational procedures, troubleshooting guides, and technical documentation.
• Support change management, deployment, and network optimiza

📌 Senior Wireless Core Network Operations Engineer Pune
🏢 Persistent Systems
📍 Pune