Douglas Preston
@douglaspreston
Experienced database administrator with 20+ years in database management.
United StatesWhat I'm looking for
I am a results-driven database administrator with over 20 years of expertise in SQL and NoSQL database design, cloud infrastructure, automation, and performance optimization. My extensive experience includes managing complex database environments such as SQL Server, PostgreSQL, and MySQL, as well as cloud platforms like AWS and Azure. I excel in configuring, securing, and maintaining high-availability databases, ensuring performance, reliability, and scalability.
Throughout my career, I have proven my ability to collaborate with cross-functional teams to optimize queries, troubleshoot issues, and enhance overall database efficiency. My recent work as an AI Training Specialist involved generating and refining prompts for AI model responses, showcasing my adaptability and commitment to continuous learning. I am passionate about leveraging my skills to support infrastructure automation and improve database performance.
Experience
Work history, roles, and key accomplishments
AI Training Specialist
DataAnnotation.tech
Dec 2024 - Jan 2025 (1 month)
Generated and refined prompts to elicit high-quality AI model responses across diverse tasks and domains. Conducted multi-response grading to rank and annotate model outputs, supporting dataset validation and model tuning.
AI Response Evaluator
Remotasks.com
Oct 2024 - Dec 2024 (2 months)
Evaluated AI-generated responses for correctness, coherence, and adherence to project guidelines, processing thousands of outputs. Provided structured annotations and ratings to support iterative model improvement.
Full-stack Desktop and Mobile Apps Developer
Private Consulting
Aug 2020 - Oct 2024 (4 years 2 months)
Designed and configured MySQL and Google Sheets integration, improving data accessibility and real-time collaboration. Developed and maintained multi-user database systems, optimizing performance and security.
Senior Network Engineer
USConnect
Jan 2018 - Jul 2020 (2 years 6 months)
Managed SQL Server databases, focusing on operations, modeling, and performance optimization. Led backup and disaster recovery procedures, ensuring minimal data loss and high availability.
Senior Network Engineer
CMS IP Technologies
Sep 2010 - Dec 2017 (7 years 3 months)
Administered SQL Server and MySQL databases, managing backups, performance monitoring, and disaster recovery. Developed full-stack applications integrated with SQL and MySQL databases.
Education
Degrees, certifications, and relevant coursework
Lamar University
Bachelor of Science, Computer Science
Completed a Bachelor of Science in Computer Science. Gained foundational knowledge in computer science principles and practices.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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