Olie Thomas

Database Engineer @Checkmyfile

Truro, GB

Delivered major data platform transformations and security enhancements, driving cost savings, compliance, and customer experience improvements.Key Achievements:Migrated 90% of the data estate from SQL Managed Instance to Cosmos DB — cut cloud hosting costs by 80%, improved performance, and reduced technical debt.Designed and implemented double encryption for ultra-sensitive client data, ensuring contractual and regulatory compliance.Built SQL audit logging with real-time Azure Log Analytics alerting, significantly strengthening security posture.Core Responsibilities:Maintain and optimise database health through proactive monitoring, query tuning, and structural improvements.Partner with engineering teams on SQL object development, code reviews, and performance best practices.Manage database security, investigate threats, and recommend risk-mitigation strategies.Safeguard data integrity via rigorous backup, restore testing, and validation processes.Respond to critical alerts and troubleshoot complex production issues.Create documentation and deliver training on database operations, compliance, and PII handling.Collaborate cross-functionally to implement new database features including encryption and access auditing.Proficient in performance tuning, database monitoring, and cross-team coordination to maintain secure, high-performance data environments.

Zenos Training Academy

Computer and Information Sciences and Support Services