Senior SIM Expert (all)
Core
Manage SIM/eSIM profiles, lifecycle, and customization to ensure seamless interaction between SIMs, devices, and telecom networks. (via careerplan.io/jobs/2311493-senior-sim-expert-all-at-1nce-gmbh)
Role type
Senior SIM Expert (Telecom/IoT)
Builds
SIM/eSIM provisioning solutions and operational processes for IoT connectivity
Domain
Telecoms / IoT / SIM technology
Required skills
GSMA/3GPP specifications, SIM lifecycle management, vendor coordination, SIM troubleshooting, eSIM provisioning (SGP 01/02), multi-IMSI management, OTA systems maintenance, HLR checks
Preferred skills
OTA systems maintenance, Wireshark/network trace analysis
Technologies
GSMA SGP 01/02, 3GPP, Wireshark, HLR
Responsibilities
Ensure correct parametrization of SIMs in compliance with GSMA and 3GPP specifications; Oversee the entire SIM lifecycle process from requirement engineering to operational management; Act as the primary interface to SIM and OTA vendors; Create and maintain clear documentation of technical processes; Contribute to development projects connected to SIM/OTA functionalities; Manage SIM customization, ongoing maintenance, and reprogramming; Handle handset interaction tracing, AuC security policy, and OTA-related processes
