Data Engineer
CurrentDATA ENGINEER (August 2018 - Present)• Integrating and performing ETL between many disparate data sources (Oracle EBS, Hyperion Planning & Essbase, Salesforce, Concur, FileMaker, Project Server, Workday, FAMIS Cloud, ServiceNow, flat files, and many homegrown MySQL, Postgres, and SQL Server systems) • Working with end users, project managers, and visualization experts to design a useful and efficient data architecture• Maintaining and designing a dimensional EDW (star design) on an Oracle 12.2 (LINUX) platform• Converting from OBIEE to Yellowfin reporting system. Designing logical views, and building new data marts to support a new reporting environment• Developing QA systems to ensure our warehouse is continually meeting logical constraint specifications. Fixing bad data when problems arise• Reverse-Engineering ETL from our warehouse back to various source systems to identify data issues• Supporting a Essbase/Hyperion Planning cube system with nightly ODI integrations• Tasks listed below ...SR. DATA WAREHOUSE/ETL DEVELOPER (June 2017 - August 2018)• Constructing & troubleshooing complex Informatica mappings & workflows; integrating slowly changing dimensions with our fact tables• Working with DBAs and Sys Admins to configure ETL tools, tweak security settings, and complete upgrades of various software packages• Loading data to our warehouse on various schedules (hourly, nightly, monthly, etc.) using a combination of Informatica workflows & Jenkins jobs• Communicating with financial & business analysts to validate data warehouse results• Constructing physical, business model, and presentation layers within Oracle Business Intelligence EE (OBIEE) to support self-service reporting & dashboards throughout NREL• Software/Tool use: Oracle 12.2, PL/SQL Developer, Oracle SQL Developer, Informatica PowerCenter (9.6.1, 10.2, 10.4), Oracle Data Integrator (ODI), Yellowfin, Jenkins, OBIEE, Bash, SQL (Oracle/Maria/MySQL/SQL Server dialects)