Cubic³ is seeking a SIM Engineer Level I to design, validate, and maintain SIM/eSIM profiles and to develop Java Card applets. You will collaborate across mobile core networks, security, and device vendors to deliver compliant solutions for global customers.
The role emphasizes hands-on SIM/eSIM work, documentation, and testing within an evolving connectivity domain. Onsite probation is required before adaptable work options are considered.
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📌 SIM/eSIM Engineer I — Java Card & Connectivity Specialist - Madrid, Comunidad de Madrid, Spain
🏢 Cubic³
📍 Madrid