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Lead Engineer - Telecom Systems
U2opia MobileDelhi, IN30+ days ago
Job type
- Remote
Job descriptionDesign and review APIs that enable SIM / eSIM-based silent authentication flows Guide developers and ensure compliance with GSMA TS.43 and 3GPP standards Lead technical discussions and interface with security, backend, and cloud teams Support internal and external testing, audits, and pilot Were Looking For : Should have experience in telecom systems or core network software Strong understanding of mobile authentication (EAP-AKA / SIM-based auth) Experience working with HSS, AAA, or IMS systems in real-world telecom environments Familiarity with GSMA standards (especially TS.43) is a strong plus Good system design and documentation skills Solid knowledge of backend systems, preferably with experience in Java-based environments Clear communicator who can work across technical and business Points For : Experience with 5G Core or GSMA Open Gateway APIs Prior work on entitlement platforms, provisioning systems, or SIM authentication flows Understanding of container-based deployments (e.g., Docker, Join Us :
About the Role :
Were looking for a Lead Engineer with strong experience in telecom core networks and system integration to lead the design and development of a new Entitlement Server supporting SIM-based silent authentication. This is a strategic R&D role where youll work closely with our backend and product teams to build a carrier-grade platform that interfaces with mobile operator infrastructure. This role is ideal for someone who understands telecom protocols, knows how to integrate with HSS / AAA systems, and can design backend systemseven if not hands-on coding daily.
What Youll Do :
- Own the system architecture and integration design for the entitlement server
- Work closely with mobile network operators to understand their HSS / HLR, AAA, and core
integration requirements
Youll lead a first-of-its-kind project that modernizes telecom authentication using the SIM. Youll be shaping the future of secure, seamless user experiences for mobile services
(ref : hirist.tech)
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System Engineer • Delhi, IN
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