ESIM Consultant / Architect - SC Cleared Location: UK (Hybrid - 2 days onsite initially, full-time onsite during deployment) Active SC Clearance: Essential We are seeking a specialist eSIM Consultant/Architect to support the greenfield eSIM capability build for a UK telecoms client. You will join an established delivery team (6-7 consultants already onsite) and play a key role in defining, designing, and shaping the technical direction of a new eSIM platform for a telco / MVNO-style environment. This is a hands-on advisory role for someone with direct experience architecting and deploying eSIM systems, rather than general mobile or cloud engineering. Key responsibilities include: Designing and shaping a greenfield eSIM architecture Advising on GSMA standards and compliance (e.g. SGP.02 / SGP.22) Defining subscriber lifecycle, provisioning, and profile management Supporting decisions around SM-DP+ / SM-SR, integrations, and vendor selection Acting as a technical authority to set direction during early project phases Supporting deployment phases as the platform moves towards implementationThe role is intentionally technology-agnostic, focused on setting direction rather than promoting a specific vendor or solution. Required Experience Proven experience designing and deploying eSIM platforms for a telco or MVNO Strong background in telecoms / mobile core engineering Hands-on experience with: eSIM provisioning and lifec...