Job highlights

- Experience in Voice Core and Data Core testing across 2G-5G with knowledge of telecom nodes (MSC, HSS, IMS, EPC) and protocols (SIP, DIAMETER, GTP)

- Execute end-to-end telecom testing, validate core network functions, analyze logs, manage defects, and collaborate with teams

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the worlds mostinnovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as theyprovide unique RD and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days arethe same.

Your Role

You will be responsible for executing end-to-end telecom testing, validating core network functionalities, analyzing network logs, and collaborating with cross-functional teams to ensure high-quality network deployments.

- Perform Voice Core and Data Core testing across 2G, 3G, 4G, and 5G networks.

- Validate signaling and call flows across telecom core network elements.

- Execute test cases, analyze results, and identify defects.

- Perform log analysis and troubleshoot network issues.

- Work closely with development and operations teams to resolve defects and improve system performance.





- Manage defects using standard tracking tools and participate in test lifecycle activities.

- Ensure end-to-end validation of telecom services and network features.

- Create and maintain test documentation, reports, and test execution records.

Your Profile

- Strong experience in Voice Core and Data Core testing across 2G, 3G, 4G, and 5G networks.

- Hands-on exposure to telecom nodes including MSC, HSS, HLR, IMS, EPC, PCRF, AMF, SMF, and UPF.

- Good understanding of telecom protocols such as SIP, DIAMETER, GTP, CAP, MAP, and SS7.

- Experience in test execution, log analysis, defect management, and end-to-end telecom testing.

- Proficiency with telecom testing and troubleshooting tools such as Wireshark, ALM, and JIRA.

- Working knowledge of Unix/Linux commands and environments.

- Strong analytical, debugging, and problem-solving skills.

- Excellent communication skills and ability to work effectively in a collaborative environment.

What You'll Love About Working Here

- Opportunity to work on cutting-edge 4G and 5G telecom technologies.

- Exposure to advanced Voice Core and Data Core network architectures.

- Collaborative work setting with telecom domain experts.

- Continuous learning and growth opportunities in next-generation network technologies.

- Flexible work culture focused on innovation and technical excellence.

📌 Voice Core Engineer (Bengaluru)
🏢 Capgemini
📍 Bengaluru