
Lead Engineer
2 days ago
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 :
- Work closely with mobile network operators to understand their HSS/HLR, AAA, and core
integration requirements
- Design 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 :
- 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 :
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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