Data Modeller - Johannesburg Verfied

Salary Negotiable Johannesburg, Gauteng Johannesburg, Gauteng more than 14 days ago 26-11-2014 11:04:42 AM
24-12-2014 11:04:42 AM
Data Modeller (PNP0004)

PBT Group requires the services of Data Modeller to assist with the development of some data marts.

The Data Modeller will be required to assist with collecting and defining business requirements as well as defining the dimensional data model, and must be familiar with the Kimball methodology.

The outcomes of the engagement will be:
- Business Requirements Specifications for the selected data marts.
- Dimensional data models for the selected data marts.

Interaction and reporting:
- The Data Modeller will report to the BI/DW Project Manager
- Interaction and close working relationships will be maintained with:
- Business users
- Systems analysts and developers
- Other technical staff
- Workshops may be conducted with business representatives, business and systems analysts and developers.

Requirements for the Data Modeller:
- Excellent data analysis and communication skills.
- Experience and familiarity with data warehouse concepts and dimensional modelling, particularly the Kimball method.
- MUST have Retail Industry experience

Key Roles for the Data Modeller:
- Driving the process to gather and document requirements (The project manager and business project lead will assist with requirement definition activities);
- Lead the dimensional modelling effort (interested parties in IT and business community will review and provide feedback on the design);

Key deliverables for the Data Modeller:
- Business User meeting agenda;
- Program and/or project interview write-ups (Clear, concise, thorough, detailed, and transparent documentation must be provided)
- Program requirements findings document, including the preliminary enterprise data warehouse bus matrix and agreed upon prioritization grid;
- High Level model diagram;
- Attribute and metrics list;
- Detailed dimensional design worksheet:
- Issues List;

Task list for the Data Modeller for each DW/BI project:
- Identify and prepare interview team
- Select interviewees and Schedule interviews
- Prepare interview questionnaires
- Conduct business user interviews
- Conduct IT data audit interviews
- Publish interview write-ups and incorporate feedback.
- Publish requirements deliverables
- Prioritize and revise project scope
- Obtain User acceptance/ review
- Review/develop data warehouse bus matrix
- Select business process
- Declare fact table grain
- Identify dimensions
- Identify metrics
- Develop high level model diagram Request for Price Quotation
- Review data model
- Document attributes list
- Identify candidate data sources
- Draft source to target data map
- Obtain user acceptance/ review