Nathan Rodriguez

Database Administrator

Contact Info

Phone:	(555) 234-5678
Address:	Austin, TX
Website:	https://github.com/nrodriguez-dba
Email:	[email protected]

Experienced Database Administrator with 8+ years managing enterprise-level database systems across Oracle, PostgreSQL, and SQL Server environments
Proven track record of optimizing database performance, reducing query response times by up to 85% through strategic indexing and query tuning
Expert in database migration and cloud transformation, successfully migrated 12TB of critical business data to AWS RDS with zero downtime
Strong background in database security implementation, ensuring GDPR and SOX compliance across multi-terabyte production systems
Skilled in automation and scripting using Python, PowerShell, and Bash to streamline database maintenance and monitoring processes
Excellent crisis management abilities with experience maintaining 99.97% uptime across 25+ production databases serving 10,000+ concurrent users

Technical Skills

Database Systems

Oracle 19c (Expert), PostgreSQL 14 (Advanced), SQL Server 2019 (Advanced), MongoDB 5.0 (Intermediate), AWS RDS, Azure SQL Database, MySQL 8.0

Query Languages

SQL, PL/SQL, T-SQL, PostgreSQL PL/pgSQL, NoSQL query languages, MDX

Performance & Optimization

Query optimization, Index tuning, Execution plan analysis, AWR reports, Database partitioning, Query rewriting

Automation & Scripting

Python for database automation, PowerShell, Bash scripting, Ansible, Jenkins CI/CD, Terraform

Security & Compliance

Data encryption (TDE), Role-based access control, Database auditing, GDPR compliance, SOX compliance, HIPAA standards

Cloud & Infrastructure

AWS (RDS, Aurora, DynamoDB), Microsoft Azure SQL, Database clustering, Replication, Disaster recovery planning

Professional Experience

TechFlow Solutions

Senior Database Administrator

March 2020 - Present

Manage 25+ production databases totaling 15TB across Oracle 19c, PostgreSQL 14, and SQL Server 2019 environments, maintaining 99.97% uptime
Led cloud migration initiative moving legacy Oracle systems to AWS RDS Aurora, reducing infrastructure costs by 42% while improving query performance by 3x
Optimized critical customer-facing queries reducing average response time from 12 seconds to 1.8 seconds, directly improving user experience for 50,000+ daily active users
Implemented automated backup and recovery strategy using Python scripts and AWS Lambda, reducing Recovery Time Objective (RTO) from 6 hours to 30 minutes
Designed and executed disaster recovery procedures tested quarterly, ensuring business continuity compliance and zero data loss during planned failover tests
Collaborated with development teams to establish database coding standards and query review processes, reducing production incidents by 60%

DataCorp Industries

Database Administrator

June 2017 - February 2020

Administered 15+ SQL Server 2016/2017 databases supporting financial reporting systems with strict SOX compliance requirements
Reduced database storage costs by 35% through implementation of data compression and archiving strategies for historical transaction data
Created comprehensive monitoring solution using PowerShell and SQL Server Agent jobs, proactively identifying performance bottlenecks before user impact
Managed database security implementation including Transparent Data Encryption (TDE) and Always Encrypted features for PCI DSS compliance
Trained junior DBA team of 3 members on advanced T-SQL optimization techniques and established mentoring program reducing onboarding time by 40%
Executed major version upgrades from SQL Server 2012 to 2017 across production environment with zero unplanned downtime

Regional Healthcare Systems

Junior Database Administrator

August 2015 - May 2017

Supported Oracle 12c and MySQL 5.7 databases containing sensitive patient data requiring HIPAA compliance and 24/7 availability
Implemented database monitoring using Oracle Enterprise Manager, reducing mean time to detection (MTTD) for critical issues from 45 minutes to 8 minutes
Performed regular database maintenance including index rebuilds, statistics updates, and space management for 8TB of clinical data
Assisted in development of backup and recovery procedures, achieving RPO of 15 minutes and RTO of 2 hours for critical patient systems
Collaborated with application teams to optimize Electronic Health Record (EHR) system queries, improving patient record retrieval speed by 65%

Certifications

Oracle Certified Professional (OCP) - Oracle Database 19c Administrator

Oracle

September 2022

Microsoft Certified: Azure Database Administrator Associate

Microsoft

March 2023

AWS Certified Database - Specialty

Amazon Web Services

January 2023

PostgreSQL 14 Associate Certification

PostgreSQL

November 2022

Education

University of Texas at Austin

Bachelor of Science in Computer Science

May 2015

Relevant Coursework: Database Management Systems, Data Structures, Distributed Systems, SQL Programming, Database Design Theory
GPA: 3.6/4.0

Awards and Publications

Database Excellence Award - TechFlow Solutions Annual Awards 2023

2023

Recognized for leading cloud migration project that reduced operational costs by 42% while achieving zero-downtime transition

IT Innovation Award - DataCorp Industries 2019

2019

Awarded for implementing automated monitoring solution that prevented 15+ potential production outages

"Optimizing PostgreSQL for High-Volume OLTP Workloads" - Database Weekly

April 2023

8,500+ views, featured in PostgreSQL community newsletter

"Zero-Downtime Database Migration Strategies" - Internal Technical Blog

January 2023

Adopted as standard procedure across 3 development teams