Senior Data Analyst and Modeller

3 weeks ago


Johannesburg, South Africa H2R Africa Full time

Our client, a leading and International Mining Company, has a contract vacancy for a Senior Data Analyst and Modeller.
The senior data analyst will be responsible for building, optimizing, and maintaining conceptual and logical data models to ingest and curate data from source systems into an **Azure data lake**. The models must comply with the governance and requirements of the Central Data Platform.

The senior data analyst will have a key role to interface with business users to understand the data requirements and must further interface with the CDP data architecture and modelling teams to ensure unified data models
- Minimum 5 years in a data-centric environment working in either SQL Data-Warehousing, Analytics or as a dedicated Data-Modeller
- Above average TSQL and SQL server
- Logical, and Physical Data-Modelling
- Experience with Forward and Reverse Engineering of Existing
- Good understanding of Star Schemas, Snowflake Schemas, and Kymbal
- Skilled at formulating Dimensions, measures and attributes and building multi-dimensional
- Experienced with metadata-modelling
- Experience with Data-Governance principles and Data-Cleansing
- Experienced at key-formulation: primary keys, foreign-keys, alternate-keys, surrogate-keys, indexes, delta-control
- Experience of working with Data-Modelling
- Some exposure to Cloud
- Exposure to mining production and operations data would be beneficial
- Develop Logical and physical data models
- Conformance of data models to CDP enterprise data model
- Adherence to data architecture
- Adherence to data governance
- Serve as an interface between business analysts and technical
- Provide input to technical implementation documents for all levels of curation from Level 0 to Level
- Assist with testing and validation of data ingestion pipelines



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