Senior Data Modeler (Telco)

• Own and deliver solutions within the scope of the role, from requirements and technical/design decisions through implementation and continuous improvement.

• Work closely with engineering, product, data, design, and business stakeholders to translate requirements into practical, scalable solutions.

• Apply strong engineering and/or domain expertise to build reliable, maintainable, and production-ready capabilities.

• Contribute to architecture, standards, documentation, quality, and technical decision-making appropriate to the role.

• Identify performance, scalability, data quality, usability, reliability, or operational risks and address them proactively.

• Collaborate across teams to ensure solutions integrate effectively with existing systems and platform components.

• Experience: 7+ years of relevant professional experience.

• Strong hands-on experience with: Telco data modelling, TM Forum SID, BSS and OSS data, CDR and xDR, identity resolution, SQL, data mapping.

• Strong working knowledge of TM Forum SID, eTOM, and 3GPP charging and CDR structures.

• Practical understanding of BSS and OSS: product catalog, order, mediation, rating, billing, collections, inventory.

• Clear grasp of party, customer, account, subscriber, and service, and why flattening them breaks B2B and family plans.

• Has worked on identity resolution using MSISDN, including portability, SIM swap, and number recycling.

• Maps source systems to a canonical model and writes implementable specifications, not slide decks.

Domain Requirement:

• Telco is a must

Preferred Qualifications

• Customer data platform or single customer view delivery.

• Consent and data governance frameworks.

• Experience running requirements workshops with client stakeholders.