Markab Williams
Rancho Cordova,CA
Summary
Experienced database developer with a 20-year track record of designing and implementing successful database solutions. Strong analytical skills for comprehending complex business problems and developing functional systems. Effective in both independent and team settings, thriving in collaborative environments while remaining self-motivated.
Overview
14
14
years of professional experience
Work History
Database Administrator
FLEXCARE
01.2022 - Current
- Designed database architecture to store Flexcare's complex business process in Snowflake
- Migrated reports from Excel and PostgreSQL to Snowflake and Tableau
- Designed security architecture and ETL system integration to connect Netsuite and Salesforce to a custom Snowflake data lake using Python, Fivetran and Mulesoft.
- Worked effectively in fast-paced environments.
- Self-motivated, with a strong sense of personal responsibility.
Database Administrator
AMERICAN PACIFIC MORTGAGE
01.2019 - 01.2022
- Managed data transformation and database optimization for reporting systems
- Owned data governance and data integration from third party software to internal systems
- Designed data framework to distribute to Domo, Power BI and ad-hoc reports in real time.
- Built databases and table structures for web applications.
- Enhanced reporting capabilities by designing efficient ETL processes that improved data accuracy and completeness.
Member of Technical Staff III - System Engineering
VERIZON
01.2011 - 01.2019
- Managed data transformation and database optimization for reporting systems
- Ensured 99.9% SLA for systems serving ad-hoc reports to thousands of users
- Developed internal tools, expanding their capabilities and functions to save developer time
- Designed a standardized data framework and maintained accurate documentation of that framework to let customers with little SQL knowledge get the most out of the data warehouse.
- Self-motivated, with a strong sense of personal responsibility.
- Worked effectively in fast-paced environments.
Education
Bachelor of Science in Information Systems -
Strayer University
Washington, DC06.2015
Skills
- Extensive SQL skills, including query optimization and database performance tuning
- ETL automation using shell scripts, Python, DTSX packages, Data Factory, Fivetran and Mulesoft
- Agile development using DevOps and Jira
- Database and ETL Performance Tuning and Troubleshooting
- Database Management
- Relational Database Management
- Database monitoring
- Database Troubleshooting
- Database Administration
Timeline
Database Administrator
FLEXCARE
01.2022 - Current
Database Administrator
AMERICAN PACIFIC MORTGAGE
01.2019 - 01.2022
Member of Technical Staff III - System Engineering
VERIZON
01.2011 - 01.2019
Bachelor of Science in Information Systems -
Strayer University
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