Olusesi Adebisi
Senior Data Architect
Mowe
Summary
Accomplished Senior Data Architect with over 19 years of experience in designing, developing, and implementing robust data solutions for large-scale enterprises. Proven expertise in data modeling, database architecture, and data warehousing, with a strong focus on optimizing data integrity, performance, and security. Adept at leading cross-functional teams and managing complex projects from conception through deployment, ensuring alignment with organizational goals and industry best practices.
Seasoned DevOps Architect with over 10 years of experience in designing, implementing, and optimizing scalable, high-performance infrastructure and application solutions. Expertise in leveraging cloud platforms (AWS, Azure, GCP) to drive cost efficiency, automation, and continuous integration/continuous deployment (CI/CD) pipelines. Adept at collaborating with cross-functional teams to deliver seamless integration and deployment of complex systems, ensuring robust security and compliance standards.
Overview
20
20
years of professional experience
10
10
years of post-secondary education
6
6
Certifications
4
4
Languages
Work History
Senior Enterprise Data Engineering and DevOps Solutions Architect
MTN Nigeria
5 2021 - Current
- Data Architecture and Integration: Led the design and implementation of the enterprise data architecture, ensuring seamless data integration across multiple platforms including Databricks and Azure Data Factory. Architected and optimized data pipelines for high-volume data ingestion, processing, and transformation, improving data flow efficiency by 30%.
- Data Governance and Quality: Implemented comprehensive data governance frameworks using Collibra, ensuring adherence to data privacy regulations and industry standards. Established robust data quality metrics and monitoring systems, reducing data inconsistencies and errors by 25%.
- Metadata Management: Spearheaded the deployment of metadata management solutions, enhancing data discoverability and lineage tracking, resulting in a 20% increase in data usage efficiency. Integrated LeanIX for application portfolio management, aligning data assets with business capabilities and improving IT landscape transparency.
- Master and Reference Data Management: Developed and maintained master and reference data management strategies, ensuring consistency and accuracy across enterprise systems. Implemented automated master data validation processes, reducing manual intervention by 40%.
- Data Privacy: Collaborated with legal and compliance teams to ensure data architecture complies with GDPR and CCPA regulations. Designed data anonymization and encryption techniques to protect sensitive information, enhancing data security protocols.
- Data Analytics: Worked closely with data science teams to architect scalable analytics solutions, leveraging Databricks for advanced data analysis and machine learning. Enabled self-service analytics capabilities, empowering business users with access to real-time insights and reducing dependency on IT by 15%.
- Continuous Integration and Delivery (CICD): Implemented innovative CI/CD pipeline tooling, reducing the release cycle time by 30%
- Automated Testing: Developed and maintained an automated testing framework resulting in a 25% reduction in bugs
- Implemented Infrastructure as Code (IaC) using Terraform and Ansible, automating over 90% of manual processes and ensuring consistency across development, staging, and production environments.
- Optimized application performance and monitoring using Prometheus, Grafana, and ELK stack, which improved incident response times by 35%.
- Collaborated with development and QA teams to integrate automated testing frameworks, improving test coverage and reducing bugs in production by 25%.
- Conducted training sessions and workshops on DevOps best practices, tools, and technologies, fostering a culture of continuous improvement and knowledge sharing.
Enterprise Data and DevOps Architect
MTN Nigeria
05.2020 - 01.2021
- Enterprise Data Architecture: Led the transformation of the organization's data architecture, integrating cloud-based solutions and on-premises systems. Architected and deployed a hybrid data storage solution, balancing performance, cost, and scalability.
- Data Integration and ETL: Designed and implemented ETL processes using Azure Data Factory, enabling efficient data migration and integration from diverse sources. Enhanced data transformation workflows, reducing ETL processing time by 35%.
- Data Governance and Quality: Established data governance policies and procedures, incorporating best practices for data stewardship and lifecycle management. Implemented data quality management tools, achieving a 98% data accuracy rate.
- Metadata and Master Data Management: Developed and integrated metadata repositories, improving data asset management and documentation. Standardized master data management practices, ensuring uniformity and reliability of key business data.
- Data Privacy and Security: Implemented data protection measures in alignment with HIPAA and PCI-DSS requirements. Conducted regular data privacy audits and risk assessments, enhancing the organization's data security posture.
- Advanced Analytics and Reporting: Collaborated with BI teams to develop and deploy advanced analytics solutions, driving data-driven decision-making across departments. Utilized Databricks for big data processing and analytics, improving the speed and accuracy of business insights.
- Implemented CI/CD processes using CircleCI and Jenkins, which increased deployment frequency by 50% and reduced rollback incidents by 20%.
- Managed cloud infrastructure on AWS, including EC2, S3, RDS, and Lambda, ensuring high availability and security.
- Automated configuration management with Chef and Puppet, resulting in a 70% reduction in manual configuration errors.
- Streamlined application delivery by containerizing applications with Docker and orchestrating with Kubernetes, improving scalability and reducing resource consumption by 25%.
- Enhanced system monitoring and logging using Splunk and Nagios, improving system uptime and reliability.
- Facilitated Agile practices and collaborated with cross-functional teams to enhance continuous integration and continuous delivery pipelines.
- Conducted performance tuning and capacity planning to support business growth, leading to a 40% improvement in system performance and user satisfaction.
Senior Data Engineer / AI Solutions Architect
Wyztech Solutions Limited
01.2020 - 05.2020
- Led a team of six developers to implement data-driven solutions, resulting in a 50% increase in data accessibility and a 30% increase in data accuracy
- Collaborated with data scientists and engineers to develop data pipelines, resulting in a 40% increase in data availability.
Team Lead Data Engineering / Master Data Architect
First Bank Nigeria PLC
11.2017 - 01.2020
- Implemented a data warehouse to centralize all business intelligence and reporting, thereby improving the speed and time of business data analysis by 55%
- Created an automated system for monitoring database performance and reduced downtime inherent with performance issues by 70%.
Senior Data Engineering and Database Administrator
MTN Nigeria
03.2009 - 11.2017
- Implemented a data reorganization and consolidation, which improved the performance of seven application services by 45%
- Created an automated system for monitoring database performance and reduced downtime inherent with performance issues by 35%.
Operating Systems and Database Administrator
Unity Bank Plc
01.2006 - 03.2009
- Developed and updated databases to handle customer data
- Worked with staff to develop and implement procedures to prevent data loss and maximize system availability.
Client Support Executive
Pacific Bank Ltd
10.2004 - 01.2006
- Maintained positive customer relations by addressing problems head-on and implementing successful corrective actions
- Opened and closed locations and monitored shift changes to uphold successful operations strategies and maximize business success.
Education
Master of Science - Management Information Systems
University of Roehampton
London, United Kingdom.07.2016
Bachelor of Science - Computer Science
Lagos State University
Lagos, Nigeria.12.2010
Higher National Diploma - Electrical And Electronics Engineering
The Federal Polytechnic Bida Niger State, Nigeria
Bida, Niger State 04.1996 - 05.2002
Skills
Data Governance
Data Quality
Data Privacy
Data Analytics
Metadata Management
Master Data Management
Data Integration
Data Architecture
Data Modeling
Infrastructure
Data Security
Ansible Automation
Data Consolidation
Continuous Integration
Software Development
Data Processing
Extract Transform Load (ETL)
Capacity Planning
Process Automation
Database Design
Technical Management
Machine Learning
Data Mining
Agile Software Development
Data Science
Project Management
Cloud Engineering
Solution Delivery
Microsoft Azure
Disaster Recovery
Service Integration
Digital Transformation
Collaborative Team Environment
Automation and Scripting
Certification
Microsoft Azure Certified Solution Architect Expert, 08/2023, Present
Timeline
Enterprise Data and DevOps Architect
MTN Nigeria
05.2020 - 01.2021
Senior Data Engineer / AI Solutions Architect
Wyztech Solutions Limited
01.2020 - 05.2020
Team Lead Data Engineering / Master Data Architect
First Bank Nigeria PLC
11.2017 - 01.2020
Senior Data Engineering and Database Administrator
MTN Nigeria
03.2009 - 11.2017
Operating Systems and Database Administrator
Unity Bank Plc
01.2006 - 03.2009
Client Support Executive
Pacific Bank Ltd
10.2004 - 01.2006
Higher National Diploma - Electrical And Electronics Engineering
The Federal Polytechnic Bida Niger State, Nigeria
04.1996 - 05.2002
Senior Enterprise Data Engineering and DevOps Solutions Architect
MTN Nigeria
5 2021 - Current
Master of Science - Management Information Systems
University of Roehampton
Bachelor of Science - Computer Science
Lagos State University