Data Engineer Database Administrator

Olusegun G. Olatunji [Data Engineer Database Administrator]

Fort Worth, TX *******************@*****.*** 817-***-**** Professional Summary

Results-oriented Data Engineer and Database Administrator with over 10 years of experience in designing, building, and optimizing large-scale data systems, ETL pipelines, and scalable architectures to support business growth. Adept at translating business requirements into robust data solutions, ensuring data quality, integrity, and security, and implementing industry best practices for data governance and performance optimization. Proficient in data warehouse and data lake management, ETL development, and cross-functional collaboration to drive data-driven decision-making. Key Skills and Competencies

• Data Engineering: Design and implementation of scalable data architectures, pipelines, and ETL processes to support enterprise data needs.

• ETL Development: Expert in developing, optimizing, and troubleshooting ETL workflows to ensure high performance and data consistency.

• Data Systems Management: Hands-on experience with data warehouses, data lakes, and processing platforms to handle large-scale data volumes.

• Data Quality & Governance: Implementation of validation controls, data mapping, and security protocols to maintain data accuracy and compliance.

• Collaboration: Extensive experience working with cross-functional teams to integrate data into applications and analytics platforms.

• Documentation: Skilled in creating and maintaining data flow diagrams, data mappings, and process documentation.

• Emerging Technologies: Up-to-date with trends in data engineering and cloud technologies, leveraging new tools to enhance processes and systems. Professional Experience

SQL Server Database Administrator - Amazon (Contract) Jan 2022 – Present

• Designed and implemented ETL processes to extract, transform, and load data into Azure SQL and on-premises databases, improving data quality and consistency.

• Developed database scripts, stored procedures, and functions to meet dynamic business requirements and automate recurring tasks.

• Optimized data pipelines for performance, reducing ETL process latency and improving processing times by 30%.

• Troubleshot ETL issues and resolved data inconsistencies, implementing robust data validation controls to ensure integrity.

• Collaborated with analytics teams to integrate data into business applications, ensuring timely delivery of insights for decision-making.

• Maintained detailed documentation for ETL processes, including data mappings, flow diagrams, and performance metrics.

• Ensured adherence to data governance and security best practices, including data masking, encryption, and access control policies.

SQL Server Database Administrator - Weir Oil and Gas (Contract) Jan 2018 – Dec 2021

• Designed and maintained large-scale data systems, including data warehouses, to support analytics and reporting needs.

• Developed scalable data pipelines to ingest, process, and integrate structured and unstructured data from multiple sources.

• Enhanced ETL workflows for data quality and performance, resulting in 25% faster reporting capabilities.

• Monitored and optimized data processing platforms, addressing bottlenecks and scaling systems to meet business growth.

• Partnered with application teams to translate business requirements into technical data solutions, delivering on complex use cases.

• Established and maintained data engineering standards, ensuring process consistency and efficiency.

Senior SQL Server Database Administrator - Skye Bank PLC Feb 2013 – Jan 2018

• Architected and maintained data pipelines and warehouses, enabling scalable storage and analytics solutions for financial data.

• Automated ETL jobs to improve data integration across multiple systems, reducing manual intervention and increasing accuracy.

• Created and maintained comprehensive documentation for ETL processes, including data flow diagrams and mapping.

• Conducted data validation checks and implemented controls to ensure data quality and compliance with regulatory standards.

• Integrated data into business applications, supporting operational reporting and analytics.

• Proactively adopted new data engineering practices and tools to improve database performance and scalability.

Education & Certifications

• Master of Science, University of Denver 2022

• Bachelor of Science, University of Lagos 2011

• Certified Scrum Master (CSM)

• Career Essentials in Generative AI

Technical Proficiencies

• Data Engineering Tools: SSIS, Azure Data Factory, SQL Profiler, Query Store

• ETL Development: SQL Server Integration Services (SSIS), Python (for data processing)

• Cloud Platforms: Microsoft Azure, AWS

• Database Technologies: Microsoft SQL Server, MySQL, Azure SQL, Data Warehouses, Data Lakes

• Data Security: Data Governance, Encryption, Access Control, Masking

• Scripting & Optimization: T-SQL, PL/SQL, Query Optimization

Contact this candidate