Telecom Integration engineer(core network and lab systems)

Telecom Integration Engineer (Core Network & Lab Systems)

Location: India (Remote/Hybrid)

Experience: 57 years

Type: Full-time

About the Role

We are looking for an experienced Telecom Integration Engineer with hands-on expertise in core network systems (HSS, AAA, PCRF, UDM). You’ll design and manage lab/test environments, integrate entitlement server APIs, and validate silent authentication and SIM/eSIM entitlement flows for global operators.

Key Responsibilities

Set up and manage lab/test environments using simulators such as Open5GS, srsLTE, freeDiameter.

Integrate entitlement servers with core network systems (HSS, AAA, UDM, PCRF).

Validate and troubleshoot EAP-AKA and fallback authentication flows.

Conduct troubleshooting and debugging across entitlement server operator systems.

Support QA teams during simulation, validation, and field testing.

Collaborate with backend engineers to refine API contracts and improve integration reliability.

Assist in operator UAT and real-world SIM/network testing.

Document integration processes, configurations, and operator handoffs.

What We’re Looking For

5–7 years of experience in telecom integration or core network systems.

Strong understanding of HSS, AAA, PCRF, IMS, or UDM components.

Hands-on experience with EAP-AKA, SIM/eSIM authentication, and GSMA TS.43/3GPP standards.

Practical knowledge of network simulators, testbeds, and protocol analysis.

Ability to work cross-functionally with backend, QA, and DevOps teams.

Strong analytical and documentation skills

Preferred Qualifications

Familiarity with operator-grade testing and UAT environments.

Prior experience in telecom lab setup, network debugging, or entitlement system integration.

Bachelor’s degree in Telecommunications, Electronics, or Computer Engineering.

Please email updated resumes to tanumita.roy@3pointhrm.in with role brief,ctc and notice period details