Presales Solution Architect, Oss - Own and orchestrate end-to-end responses to RFx (RFI / RFP / RFQ), including solution design, compliance and traceability matrices, win themes, technical narratives, effort and Bill-of-Materials estimation, assumptions, and risk identification driving on-time, high-quality, fully compliant submissions. Design and articulate end-to-end OSS solution architectures spanning Service Assurance, Service Orchestration & Fulfilment, Inventory, and closed-loop automatio…