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The position serves as a senior data warehouse developer in PennDOT’s Bureau of Business Solutions & Services.
Position Description: The position serves as a senior data warehouse developer in PennDOT’s Bureau of Business Solutions & Services. The incumbent will perform new development and maintenance for an enterprise data warehouse built on an Oracle 11g platform. This individual will also do analysis, design, and development of ETL using Oracle PL/SQL and Informatica PowerCenter 9.5. The incumbent will develop and maintain tables, create views, write queries, build PL/SQL packages, write stored procedures, triggers and functions, and design and develop complex ETL processes. Responsibilities also include data modeling, primarily dimensional modeling. Technologies leveraged include Oracle 11g, PL/SQL, Informatica PowerCenter 9.5, and Erwin 7.3
Specific Duties:
1. Meet with end users and technical staff to gather data requirements
2. Perform intensive data analysis on source system data bases. Analyze and understand source system
database, find required data, and profile the data.
3. Review and create dimensional and normalized data models.
4. Develop Oracle SQL and PL/SQL code, including packages, procedures, functions, views and complex analytical
queries.
5. Develop complex ETL using Oracle PL/SQL and Informatica PowerCenter
6. Diagnose, analyze, troubleshoot and choose appropriate solution to fix data related issues.
Required Skills and Experience
1. Required: 7+ years Oracle development experience that includes writing complex SQL and PL/SQL, and doing
performance tuning
2. Required: 5+ years data warehouse development experience
3. Required: 5+ years of data modeling experience
4. Required: 2+ years dimensional modeling experience
5. Required: 3+ years experience using data integration/ETL software tool(s)
6. Required: Strong oral and written communication skills
7. Desired: 2 years Informatica PowerCenter ETL development experience
8. Desired: 2 years MS SQL Server and/or DB2 experience
9. Desired: 1 year experience with Business Objects BI Tool suite or comparable BI tool suite
Skill | Required / Desired | Amount | of Experience |
Oracle development experience that includes writing complex SQL and PL/SQL, and doing performance tuning | Required | 7 | Years |
Data warehouse development experience | Required | 5 | Years |
Review and create dimensional and normalized data models | Required | 5 | Years |
Dimensional modeling experience | Required | 2 | Years |
Experience using data integration/ETL software tool(s) | Required | 3 | Years |
Strong oral and written communication skills | Required |
Informatica PowerCenter ETL development experience | Desired | 2 | Years |
MS SQL Server and/or DB2 experience | Required | 2 | Years |
Experience with Business Objects BI Tool suite or comparable BI tool suite | Desired | 1 | Years |
