Salary: £130,000 - 136,500 per year Requirements: Extensive experience in solution architecture and design within telecommunications networks, with deep expertise in one or more domains such as 5G SA Core, IMS/VoLTE, Packet Core, HSS, Messaging or OSS. Demonstrable experience across multiple network disciplines, with the ability to design and deliver solutions spanning more than one technical domain, such as Voice, Data, Core Networks, Service Delivery or RAN. Strong understanding of telecommunications architecture frameworks, network strategy development and the governance processes required to deliver complex transformation programmes. Proven ability to gather, analyse and document business and technical requirements, producing high-quality solution designs and architectural artefacts. Broad knowledge of emerging connectivity technologies, including RAN, Fixed Line Networks, FWA, SD-WAN and enterprise networking solutions, with the ability to evaluate their application within a wider network ecosystem. Responsibilities: Lead the end-to-end solution design and technical governance of complex telecommunications projects, acting as a Design Authority across Core Network domains including 5G SA Core, IMS/VoLTE, Packet Core, Messaging, HSS and OSS environments. Assess new business initiatives, project concepts and emerging technologies, ensuring alignment with network strategy, architectural standards and long-term business objectives. Define, curate and manage business and technical requirements, translating high-level concepts into robust, scalable and commercially viable network solutions. Collaborate with cross-functional stakeholders throughout the project lifecycle, providing technical leadership from solution conception through design, implementation and delivery. Support the evolution of network capabilities across both mobile and fixed connectivity services, including Fixed Wireless Access (FWA), SD-WAN, enterprise networking and corporate access solutions. Technologies: Support Mobile Network OSS Architect More: We are working in partnership with a global managed service provider to support a Telecoms end client across various projects. This is an outside IR35 contract opportunity at £525 per day on a 3 month rolling contract. Further job details are available upon application. last updated 24 week of 2026