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Title:Senior Data Warehouse Analyst
Duration: Two (2 1/2) months
Location:Tumwater/ olympia, WA
Client: Washington Department of Transportation
Scope of Work
The Washington State Department of Transportation (WSDOT), Office of Information Technology (OIT) requires one (1) senior level Data Warehouse Analyst to develop and implement extract, transform, and load processes needed to support WSDOT's data warehouse The contractor shall perform the technical tasks required to set up, maintain, enhance performance, and troubleshoot extraction, transformation and load (ETL) routines that move data from transactional databases and flat files to the data warehouse. The contractor shall provide support to report analysts and customers to ensure accurate and timely performance of reports utilizing information from the data warehouse.
The data warehouse operating environment is SQL Server 2012 and 2016 on Windows 10 and our ETL tool is Informatica Power Center 10.1.
Specific duties include:
Using client requirements and database design specifications, the contactor shall:
Determine how the data sources identified can provide the required data.
Test data structures to verify that the target databases will work as designed.
Set up ETL routines: write the code using Informatica mappings that move data from the specified sources; transform it as required and write it into the data mart. The outcome of this task shall be error-free ETL routines that meet requirements and design specifications, and are regularly scheduled within the Department's Data Warehouse loading process.
Provide technical assistance to staff in writing complex data-mart queries, based on the detailed knowledge gained during the construction of ETL routines. The outcome of this task shall be the provision of technical information and ideas to support staff and query-tools experts who are assisting users with advanced, complex data-mart queries.
Contractor Roles and Responsibilities:
The successful candidate will report to the Manager of WSDOT ITD Data Resource Management. The contractor will organize, schedule and conduct their work in harmony with other data maintenance activities in the ITD office, and is expected to report occasionally to the Data Warehouse Technical Team, the management group. The contractor may be required to work on multiple, concurrent data mart projects. The contractor will coordinate their efforts with WSDOT Data Management Services to ensure that backup schedules and system service hours are accommodated. It is not acceptable to disrupt production database services during business hours without the expressed approval of the Data Warehouse Administrator or the Managers of Data Resource Management and Data Management Services. The consultant will be provided a computer, desk and phone on WSDOT premises. 2.5.1 Specific duties include:
The successful candidate will:
Participate in project team meetings and work closely with the data warehouse administrator, ETL staff, data modelers, database administrators, support analysts, report writers, and the data warehouse project manager to create ETL routines. Creating ETL routines includes writing the code that creates the transformations and processes that move data from the specified sources, transform it as required and write it into the data mart. Client requirements and database design specifications will be provided by WSDOT staff.
Test target data structures to ensure that all works as designed.
Verify identified data sources to ensure that the needed data can be properly provided.
Write technical documentation of ETL routines to explain how the routines operate to meet requirements and design specifications.
Provide technical assistance to write complex data-mart queries, based on the detailed knowledge gained during the construction of ETL routines.
Assist in troubleshooting data loading and data warehouse performance issues.

Required Skills
Minimum 5 years of experience in creating and maintaining Extract, Transform, and Load (ETL) processes using SQL Server Integration Services (SSIS) and / or Informatica Power Center.
Minimum 5 years of experience writing complex queries using Transact SQL for reporting and data validation purposes
Minimum 5 years of experience using Microsoft SQL Server 2000, 2005, and 2008 r2 software tools to administer and/or manage SQL Server databases.
Minimum 5 years of experience working with large organizations (over 1000 employees).
Minimum 5 years of experience employing data warehouse principles and theories, including knowledge of the various tactical approaches to data warehouse development.
Desired Skills
Understanding of database modeling and design principles and ability to use a data model diagram.
Experience using PowerExchange for Mainframe ADABAS.
Tuning and optimizing SQL Server databases.
Performing mainframe-to-server automation, bulk copy and FTP download.
Programming in .Net. Or COBOL and/or Natural running on an MVS/zOS platform.

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