Senior PostgreSQL Database Administrator :: Minneapolis, MN or Hartford, CT (Onsite Position)

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Role: Senior PostgreSQL Database Administrator

Location: Minneapolis, MN or Hartford, CT (Onsite Position)

Job Description:

We are seeking an experienced PostgreSQL Database Administrator to serve as a subject matter expert for our database ecosystems. You will be responsible for the health, performance, and security of our PostgreSQL instances across both on-premises data centers and cloud environments (Google Cloud Platform/Azure). The ideal candidate is a proactive problem-solver who excels at performance tuning, high-availability architecture, and seamless cloud migrations.

Key Responsibilities

• Core Administration: Lead the installation, configuration, and lifecycle management of PostgreSQL. Manage database refreshes, security patching, and version upgrades to ensure 99.9% uptime.
• Performance Engineering: Actively monitor and optimize database performance. You will analyze execution plans, tune postgresql.conf parameters, and manage indexing strategies to resolve bottlenecks.
• High Availability: Design and maintain robust HA clusters using repmgr. Take ownership of failover testing, node recovery, and split-brain prevention.
• Cloud & Migration: Design and execute low-downtime migration strategies from legacy on-premises hardware to Cloud SQL or Azure Database for PostgreSQL.
• Data Protection: Oversee comprehensive Backup & Recovery (PITR) and Disaster Recovery (DR) strategies using both native tools and enterprise solutions.
• Replication Management: Configure and troubleshoot streaming and logical replication to support data synchronization and reporting offloads.

Technical Qualifications

• Postgres Internals: Deep understanding of WAL (Write-Ahead Logging), MVCC, Autovacuum tuning, and memory architecture ($shared\_buffers$, $work\_mem$).
• Clustering: Proven hands-on experience with repmgr for automated failover and cluster management.
• Tooling: Proficiency with standard tools like pg_dump, pg_restore, pg_basebackup, and pg_upgrade.
• Cloud Platforms: Working knowledge of Google Cloud Platform (Google Cloud Platform) or Microsoft Azure database services.
• Infrastructure as Code: (Preferred) Experience automating deployments with Ansible or Terraform.

• Observability: Familiarity with monitoring stacks such as Prometheus, Grafana, or pgAdmin.

Kumar K

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