Work Experience: 15+ Years

Department: Information Systems IoT, Voice & Roaming Architecture.

About the Role:

We are seeking a highly experienced and visionary Architect to join the Voice, Mobile Roaming, and IoT Architecture group within iBASIS. In this strategic role, you will lead the end-to-end architecture, design, and evolution of our global Voice, Roaming, and IoT platforms.

You will define technical roadmaps, drive cross-domain solution architecture, and ensure the scalability, reliability, and security of all signaling, roaming, and IoT services. This role is central to iBASISs mission to remain a global leader in IPX, mobile roaming, and next-generation IoT connectivity.

You'll Bring:
Bachelors or masters degree in electrical engineering, Telecommunications, or Computer Science with 15+ years of experience in the telecommunications domain.
Deep expertise in Voice (TDM & VoIP), Mobile Roaming, and IoT architectures, including end-to-end service design.
Extensive hands-on and architectural experience with 3G, 4G, and 5G signalling: MAP, Diameter, SIP/IMS,



HTTP/2, GTP-C/U, SBA interfaces, and interworking models.
Robust understanding of roaming technologies, including SS7, Diameter Roaming, LTE/VoLTE Roaming, 5G interface, IPX models, and fraud/security frameworks.
Proven experience designing and integrating mobile core systems such as HLR/HSS, STP/DRA, SMSC, MME/AMF, SGW/UPF, PGW/SMF, IMS Core, SBCs, and GTP proxies.
Expertise in IoT connectivity architectures, eSIM/eUICC, CMP platforms, SIM provisioning flows, and GSMA M2M/IoT standards.
Ability to lead cross-functional engineering teams, influence stakeholders, and drive architectural governance.
Robust analytical mindset with the ability to be highest level of knowledge for troubleshooting complex signaling and roaming issues across multi-vendor environments.

Positive to Have:
Experience working with telecom operators, carriers, or global IPX providers.
Active participati

📌 Architect Voice/ Mobile Roaming & Iot Begumpet
🏢 IBASIS
📍 Begumpet