2 of 2 Contract Key Management Jobs in London

support the design, development, deployment, and maintenance of OTA solutions for SIM/eSIM platforms. The role focuses on secure remote provisioning, life cycle management, and updates of SIM profiles across large-scale mobile networks. Key Responsibilities Design, develop, and maintain SIM OTA applications in compliance with 3GPP … GSMA standards Implement secure OTA messaging for SIM/eSIM provisioning, updates, and life cycle management Integrate OTA platforms with HSMs, SMSCs, SMPP gateways , and mobile core systems Develop and manage SIM Toolkit (STK)/CAT-TP based applications Support eSIM (Remote SIM Provisioning - RSP) workflows including profile download ...

OLTP environment . This role supports backend workloads that underpin essential business processes across multiple government departments and local authorities. You will play a key role in maintaining, optimising, and modernising the batch processing estate, ensuring the performance, reliability, and stability of a system that supports thousands of users … vital public services. Key Responsibilities Develop, maintain, and optimise Pro*C , PL/SQL , and shell script -based batch processes. Support a high-volume OLTP environment across custom Oracle applications and Oracle E-Business Suite. Analyse and modernise legacy code , working within multi-disciplinary teams to understand requirements, propose ...