Lead Engineer - Telecom Systems

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
  
  

• 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 :
• 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 :