Service Order Management Architect - 6 months - Windsor - Inside IR35 We are looking for a highly experienced Service Order Management (SOM) Architect to lead the design and governance of our TM Forum-aligned service orchestration landscape. This is a senior individual contributor role that will shape how orders, services, and resources are modelled, orchestrated, and fulfilled across our next-generation Energy Services Platform. Key Responsibilities: Own the TMF-aligned SOM architecture across order capture, decomposition, orchestration, life cycle, and fulfilment integration. Define orchestration logic for multi-product, multi-step journeys. Design integrations with billing, CRM, field services, scheduling, inventory, and external partners. Review LLDs, solution designs, test plans, and build outputs for TMF alignment. Represent SOM architecture in Design Authority forums, presenting options, trade-offs, and recommendations. What You Will Ideally Bring: 15+ years overall experience; 8+ years specifically as a SOM Architect in a TMF/ODA-aligned environment. Deep expertise in TM Forum Open APIs, TMF ODA frameworks, and catalogue-driven architecture. Strong hands-on knowledge of RESTful APIs, JSON, OpenAPI/Swagger, microservices, and cloud-native deployment models (Docker, Kubernetes, public/hybrid cloud). Proven ability to design complex service orchestration and fulfilment architectures. Contract Details: Duration: 6 months Day Rate: £475 per day (Inside IR35) Location: