Mobile Voice Core Signalling Designer - Initial 6 months - Remote (adhoc travel to Reading

Contract: Mobile Voice Core Signalling Designer - Initial 6 months - Remote (adhoc travel to Reading) Role Overview In this role, you will support the design and evolution of mobile voice core signalling platforms, producing end-to-end network designs across IP STP, DSC, IMS, and Legacy voice core environments. You will work closely with project teams, vendors, and engineering stakeholders to deliver scalable, secure, and customer-focused signalling solutions while supporting network transformation and automation initiatives. Key Responsibilities Produce High-Level and Low-Level Designs (HLD/LLD) for core voice and signalling platforms. Design and support signalling solutions across IP STP, DSC (DRA/DEA), IMS, and Legacy voice core networks. Assess network impacts, capacity planning, and solution modelling for signalling projects. Support the development of automated testing capabilities across 5G SA and Legacy core networks. Produce Statements of Requirements (SORs), review supplier Statements of Compliance (SOC), and validate vendor designs. Collaborate with vendors and internal engineering teams to support network evolution and future roadmap planning. Ensure all designs meet operational, security, and fraud prevention requirements. Provide technical guidance throughout project delivery and support design governance activities. Skills andamp; Experience Strong experience designing mobile core voice and signalling networks within mobile operator environments. ..... full job details .....