Darrin Weissinger

Data Scientist


Data Scientist -State of Tennessee
September 2016 ~ Present

  • Work with and support business leaders in 8 state departments
  • Build, grow, and mentor Business Intelligence development teams
  • Facilitate and advise data governance
  • Enable and promote data sharing between state agencies
  • Architect state Enterprise Data Warehouse

DBA Team Lead -State of Tennessee
July 2012 ~ September 2016

  • Lead team of Sr. Oracle DBAs responsible for state-wide enterprise databases (Finance, HR, etc..) serving a user base of over 300,000 users.
  • Administration of 140+ Oracle 12c & 11g RAC OLTP and data warehouse databases totaling 80+ Terabytes
  • Oracle RAC/ASM, Dataguard, OEM 12c, RMAN, Advanced Compression, Advanced Security (TDE)
  • Data Architecture
  • Project Management
  • Reduce administration overhead by automating trivial tasks
  • SQL, PL/SQL & Bash scripting
  • Maintenance, tuning, and upgrades/patches of all databases

DBA -Vanderbilt University Medical Center
February 2010 ~ July 2012

  • Administration of multi-Terabyte Oracle RAC (10g & 11g) data warehouse
  • Loading of data from 70+ hospital and university OLTP systems using custom metadata-driven framework
  • Used SQL, PL/SQL & Bash scripting to load 800+ million rows of data daily including multiple tables over 1 billion rows (Largest over 6 billion rows)
  • Direct support for Advanced Analytics group and other business intelligence developers supporting financial decisions and medical research for VUMC
  • Data warehouse project life cycle (requirements gathering, architecture, design, implementation, and tuning)
  • Data Architecture for ETL and Business Analyst

DBA -Middle Tennessee State University
April 2009 ~ January 2010

  • Oracle Database 10g installation, patching, tuning, security and monitoring
  • Oracle Application/Forms & Reports 10g installation, patching and monitoring
  • Installation and configuration of Oracle Grid Control and OIM
  • Dataguard setup and management for Disaster Recovery and reporting databases
  • Consult developers/SQL Tuning
  • Systems Administration of RedHat EL5
  • Capacity planning and Disaster Recovery

DBA -Centerstone Research
June 2004 ~ December 2008

  • Oracle Database 10g installation, patching, tuning, security and monitoring
  • Oracle Application/Forms & Reports 10g installation, patching and monitoring
  • PostgreSQL Database 8.x installation, patching, tuning, security and monitoring
  • Setup and maintenance of Data Analytics application reporting servers (Apache/Tomcat)
  • Disaster Recovery and Capacity Planning on all database and application servers
  • Data Architecture for consolidating multiple healthcare centers to single electronic healthcare medical record system
  • Systems Administration of Ubuntu & RedHat EL database and application servers
  • Capacity planning and Disaster Recovery

Telecom Specialist -Centerstone
March 1998 ~ June 2004

  • Design and implementation of integrated voice/data network for 41 offices
  • Implementation of 24/7 Mobile Crisis call center (NEC ACD)
  • Managed technical aspects of merger between five health care companies (38 locations total)
  • Contract negotiations with TelCo and equipment vendors
  • Project Manager in building out private colo for Disaster Recovery
  • Auditing of A/P records resulted in recovering $130,000.00 in overage charges
  • Fiscal budgeting of all telecommunications needs

IT Consultant -TEKsystems
May 1997 ~ March 1998

  • Setup of touch screen systems for large retail outlet
  • Assisted in upgrade from MS Exchange to Lotus Notes

Electronics Instructor -ITT Technical Institute
May 1996 ~ May 1997

  • Classroom and Laboratory instruction for analog and digital electronics
  • Circuit design and troubleshooting
  • Instruction on computer hardware installation and troubleshooting
  • Software taught: DOS/Win3.1/95, OS/2, Linux and Novell
  • Systems Administration of campus network

Lab Assistant/Systems Administrator -ITT Technical Institute
September 1994 ~ May 1996

  • Assisting Instructors in analog and digital electronics labs
  • Systems Administration of campus network
  • Equipment repair: power supplies, oscilloscopes, PLC and spectrum analyzers


BAS EET - ITT Technical Institute
June 1996

  • Graduate of the Quarter, April-June 1996

AAS EET - ITT Technical Institute
June 1995

  • Student of the Month, January 1994


  • Oracle DBA
  • PostgreSQL DBA
  • Data Architecture
  • Database Architecture
  • Linux/Systems Administration
  • Disaster Recovery
  • Capacity Planning
  • Budgeting

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resume.txt · Last modified: 2018/08/08 13:34 by darrin