Database Administrator Resume Example

High-availability cluster expert for Oracle and PostgreSQL. This senior-level database administrator resume example shows how to present your experience, skills and results so they stand up to both recruiters and applicant tracking systems.

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Full database administrator resume text

Lawrence Ellison Jr. · Redwood City, CA

Professional summary

Expert Lead Database Administrator (DBA) with 15+ years of experience in managing, optimizing, and securing high-availability database clusters for enterprise applications. Specialized in Oracle and PostgreSQL. Proven track record of executing zero-downtime migrations of TB-scale datasets and optimizing query performance by 10x.

Work experience

Lead Database Administrator

Enterprise Data Systems Inc., San Francisco, CA · Mar 2016 – Present

Manage 500+ heterogeneous database instances (Oracle/PostgreSQL) supporting mission-critical ERP and financial applications
Executed a zero-downtime migration of 100TB of legacy data to a cloud-native Aurora PostgreSQL environment
Reduced average database query response time by 80% through deep-dive SQL tuning and index optimization
Direct the enterprise backup and disaster recovery program, achieving a 99.999% data durability and 1-hour RTO
Established a comprehensive automated monitoring and alerting system for database health and security events
Directly mentor a team of 10 staff DBAs across 4 global regions, overseeing all production-level changes

Senior PostgreSQL DBA

Hyper-Scale Retail Group, San Jose, CA · Jun 2010 – Feb 2016

Managed a high-volume PostgreSQL cluster supporting 10M+ daily transactions with 100% data integrity
Implemented complex logical replication and sharding strategies to handle triple-digit user growth
Performed regular security hardening and patch management across the entire database fleet
Collaborated with the engineering team to optimize backend application queries and data models

Skills to put on a database administrator resume

Oracle (12c/19c)
PostgreSQL Mastery
SQL Performance Tuning
Database Sharding & Replication
Disaster Recovery (RTO/RPO)
Cloud Databases (Aurora/RDS)
NoSQL (MongoDB/Redis)
Terraform/IaC
Security Hardening
Shell Scripting/Python

Education

Bachelor of Science in Computer Science · Stanford University · May 2010

Projects

TB-Scale Zero-Downtime Migration: A multi-month project to migrate the primary financial backbone of the company to the cloud without a single second of user impact.
Auto-Index Optimization Engine: Developed a custom script that identifies redundant or missing indexes based on real-time query analysis in production.

What makes this database administrator resume work

Put the stack and scale up front: traffic, data volume, uptime or latency numbers.
Pair each tool with what you used it to achieve, so keywords read as results.
Link to code, a portfolio or a write-up when you can.

At senior level, emphasize leadership, scope and business impact. Hiring managers look for the decisions you drove, not only the tasks you did.

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