Senior Data Modeler - Telecom Domain

Job Description :

We are looking for a Senior Data Modeler with deep experience in telecom industry data modelling and a strong background in large-scale data warehouse implementations. The ideal candidate will have 12-15 years of hands-on experience in designing conceptual, logical, and physical data models, along with an understanding of semantic layer design for BI consumption and self-service analytics enablement.

The role will be part of a critical project implementing the PI Telecom Data Model, so familiarity with this model is a significant advantage.

Key Responsibilities :

- Translate complex telecom business requirements into scalable and reusable data structures.

- Review and validate vendor-delivered data models, ensuring alignment with business logic, performance goals, and governance standards.

- Support the implementation of the PI Telecom Data Model and ensure its integration with internal systems.

- Design and document semantic layers to support enterprise BI tools (Power BI, Tableau, MicroStrategy), enabling governed self-service analytics.

- Ensure consistency, integrity, and traceability of data across systems by maintaining metadata and data dictionaries.

- Collaborate with data engineers, architects, and reporting teams to implement and optimize models on on-premises data warehouses and data lakes.

- Enforce modelling standards, naming conventions, and data governance compliance.

Required Skills & Experience :

- 12-15 years of experience in data modelling, including extensive telecom domain experience.

- Strong practical knowledge of telecom data such as BSS/OSS, CRM, usage, billing, network performance, and product lifecycle.

- Expertise in dimensional and relational modelling for large-scale data warehouses.

- Proficiency in data modelling tools : Erwin, Power Designer, or ER/Studio.

- Experience in designing and optimizing semantic layers for BI platforms to support enterprise reporting and self-service.

- Familiarity with MPP database platforms like Greenplum, Teradata, or similar.

- Strong SQL and data analysis skills, with excellent attention to model accuracy and performance.

- Excellent collaboration and communication skills.

Preferred Skills :

- Familiarity with TM Forum SID or other telecom reference models.

- Experience in agile delivery environments and working with cross-functional teams.

- Exposure to data governance frameworks, data quality, and metadata tools (e.g., Informatica, Collibra, Alation).

- Understanding of cloud or hybrid data architectures is a plus.