Senior PostgreSQL DBA — High-Availability & Performance

Tech Mirrors; O’Fallon (MO); On-site; USD 110,000 - 150,000; Full time

Job summary

Tech Mirrors in O’Fallon, MO is seeking a PostgreSQL Database Administrator to own and optimize our PostgreSQL platforms in a high‑availability production environment. Candidates must have hands‑on 7+ years with PostgreSQL, strong architectural knowledge, and experience in backup, recovery, patching, and migrations.

The role requires production support, incident management, and performance tuning across large clusters, with a focus on reliability and scalable operations.

Qualifications

• Minimum 7+ years of hands‑on PostgreSQL DBA experience
• PostgreSQL must be candidate's core skill and primary area of expertise
• Experience with architecture internals, backup/recovery, patching, upgrades, and DR/HA implementations

Responsibilities

• Manage and optimize large-scale PostgreSQL environments in production
• Handle incidents, failovers, and performance troubleshooting
• Lead upgrades, patching, and cluster maintenance with automation where possible

Skills

PostgreSQL

DBA Experience

Production Troubleshooting

High Availability

Performance Tuning

Patching/Migrations

Disaster Recovery

Scripting

Tools

Shell

Python

Job description

Tech Mirrors in O’Fallon, MO is seeking a PostgreSQL Database Administrator to own and optimize our PostgreSQL platforms in a high‑availability production environment. Candidates must have hands‑on 7+ years with PostgreSQL, strong architectural knowledge, and experience in backup, recovery, patching, and migrations.

The role requires production support, incident management, and performance tuning across large clusters, with a focus on reliability and scalable operations.