9 years as Senior DBA at Nologin Consulting, delivering database solutions across 50+ enterprise clients spanning telecommunications, manufacturing, government, and financial services. Mastered the art of translating “it’s slow” into actionable performance improvements.

The Consulting Challenge #

Enterprise consulting across diverse technologies and business contexts:

• Legacy Oracle system modernization from early 2000s
• Performance crisis resolution for business-critical applications
• Data warehouse implementation for companies lacking BI infrastructure
• ITIL process implementation for enterprise-standard operations

Core Solutions #

Enterprise Oracle: Managed RAC clusters for financial applications, implemented disaster recovery for manufacturing systems, optimized PL/SQL reducing report times from hours to minutes.

Business Intelligence: Built ETL pipelines from multiple operational systems, designed dimensional models for retail analytics, implemented data quality processes for executive dashboards.

Multi-Platform Management: PostgreSQL for open-source organizations, MySQL for web applications, integrated diverse platforms through standardized monitoring.

Process Implementation: ITIL-compliant change management, standardized monitoring across clients, database security policies for regulatory compliance.

Technologies #

Oracle (all versions), PostgreSQL, MySQL, Red Hat Linux, Solaris, Unix, ITIL frameworks, early AWS adoption.

Key Results #

• Reduced database downtime by 80% through proactive monitoring
• Improved report performance by 300-500% via optimization
• Implemented disaster recovery for 20+ critical systems
• Trained 100+ database administrators
• Guided successful cloud migrations for early AWS adopters

Consulting Insights #

1. Every environment is unique: Standard solutions require adaptation to specific constraints
2. Documentation prevents knowledge silos: Comprehensive runbooks ensure continuity
3. Training multiplies impact: Teaching clients creates lasting value beyond immediate fixes
4. Change management reduces risk: ITIL processes prevent drift and enable controlled evolution