Senior Postgres/Cassandra Database Engineer

Global Business Ser. 4u; St. Louis (MO); On-site; USD 120,000 - 180,000; Part time

Job summary

Global Business Ser. 4u is seeking a Postgres/Cassandra Database Engineer for a 12+ month contract in St. Louis, MO. You will design, deploy, and administer EDB Postgres, Postgres Distributed and AWS RDS clusters, ensuring high availability and performance.

The role requires strong expertise in PostgreSQL internals, replication, monitoring, and automation. You will collaborate with global teams, optimize SQL, and implement backup and upgrade strategies across cloud and on‑prem environments.

Qualifications

• Experience in design, maintenance, and admin of EDB Postgres, Postgres Distributed and AWS RDS.
• Deep understanding of EDB Postgres architecture and internals.
• Proficient in PostgreSQL installation and configuration with EnterpriseDB tools.
• Strong monitoring with PEM; observability tools like Splunk or Dynatrace are a plus.
• Experience with replication (BDR) and performance tuning.

Responsibilities

• Excellent interpersonal and communication skills.
• Strong collaboration to work across cross-functional teams.
• Forward-thinking approach to infrastructure automation and scripting.
• Ability to work with global teams across multiple time zones.
• Self-motivated with the ability to work independently and seek guidance when needed.
• Design, deploy, and maintain EDB Postgres, PGD and AWS RDS clusters for large-scale platforms.
• Create and manage database clusters across dev, QA, and prod with performance tuning.
• Review configurations and recommend improvements.
• Assist with upgrades and migrations of Postgres databases.
• Provide day-to-day admin support for Postgres and AWS Aurora databases.
• Partipate in production support and on-call rotations as needed.
• Collaborate with Postgres and cloud vendors and use support channels.

Skills

EDB Postgres

Postgres Distributed

AWS RDS

Replication

PEM monitoring

SQL tuning

PL/pgSQL

Linux

Scripting

Tools

Splunk

Dynatrace

PEM

Job description

Global Business Ser. 4u is seeking a Postgres/Cassandra Database Engineer for a 12+ month contract in St. Louis, MO. You will design, deploy, and administer EDB Postgres, Postgres Distributed and AWS RDS clusters, ensuring high availability and performance.

The role requires strong expertise in PostgreSQL internals, replication, monitoring, and automation. You will collaborate with global teams, optimize SQL, and implement backup and upgrade strategies across cloud and on‑prem environments.