About the job
Grade Level: L2
Location: Islamabad, Islamabad Capital Territory, Pakistan
Application deadline: 22 April 2026
Role Overview
The Expert in CS & IMS Core Operations leads CS Core Backoffice and Level 2 Operations at Pakistan Mobile Communication Limited (Jazz). This position requires deep, practical experience with IMS components such as CSCF, ATS, CCF, ENS, as well as USCs, SS7/Diameter firewalls, MSCs, MGWs, SBCs, GMSCs, and Fixed NGN platforms. Familiarity with Huawei equipment is preferred. The role reports to the CS Core Planning and Operations Manager and works within a team of 12.
Main Responsibilities
- Oversee operations and maintenance for cloud-based Voice Core Network solutions, including P-CSCF, I-CSCF, ATS, CCF, ENS, MSCs, MGWs, USCs (SS7, Diameter, SCP), and i-SBCs/A-SBCs.
- Manage configuration, fault resolution, and performance optimization for CS & IMS Core network infrastructure.
- Conduct network audits and health checks to maintain high availability and performance across consumer and enterprise services.
- Administer and maintain Huawei platforms, applying strong troubleshooting and root cause analysis skills.
- Coordinate with vendors to address technical issues and ensure smooth network operations.
- Support Jazz’s Technology and Development framework by designing and implementing scalable solutions that meet global standards.
About Jazz
JazzWorld stands as a leading telecommunications provider in Pakistan, focused on innovation and excellence. The company values diversity and inclusivity, encouraging collaboration and growth for every team member.
JazzWorld is an equal opportunity employer. Diversity and inclusion are core values, and the company is committed to creating an environment where all employees can thrive.
