Senior AWS Platform Engineer — PostgreSQL DBA

Mastercard; O’Fallon (MO); On-site; USD 96,000 - 163,000; Full time

Benefits offered by this job

Annual bonus

401k match

Paid time off

Job summary

Mastercard is seeking a Senior Platform Engineer – Database Administration with a focus on AWS to design, implement, and operate PostgreSQL‑based data platforms in a 24x7 enterprise. You will leverage RDS/Aurora, EC2 deployments, and Oracle experience as a plus to deliver scalable, secure cloud databases.

You will automate provisioning, patching, backups, and failover with Terraform, CloudFormation, and Ansible; enable CI/CD for database changes; and drive reliability, performance, and security

Qualifications

• 7+ years in database administration / platform engineering.
• Strong experience with PostgreSQL in AWS environments.
• Production-grade database systems in 24x7 environments.
• Hands‑on with AWS database services and cloud‑native architecture.
• Experience with database migrations (on‑prem → AWS).

Responsibilities

• Design, implement, and manage AWS-based database solutions (RDS, Aurora, EC2).
• Administer PostgreSQL databases in production; Oracle on-prem/cloud as add-on.
• Monitor performance with CloudWatch and Performance Insights; perform RCA.
• Automate provisioning, patching, backups, and failover (IaC, scripting).
• Drive high availability, DR, and security across environments.
• Collaborate with teams to optimize data solutions and deployments.

Skills

PostgreSQL DBA

AWS RDS/Aurora

Oracle DBA

CI/CD automation

Terraform/CloudFormation

Linux/Unix

Python/Bash scripting

Tools

Terraform

CloudFormation

Ansible

Python

Bash

Job description

Mastercard is seeking a Senior Platform Engineer – Database Administration with a focus on AWS to design, implement, and operate PostgreSQL‑based data platforms in a 24x7 enterprise. You will leverage RDS/Aurora, EC2 deployments, and Oracle experience as a plus to deliver scalable, secure cloud databases.

You will automate provisioning, patching, backups, and failover with Terraform, CloudFormation, and Ansible; enable CI/CD for database changes; and drive reliability, performance, and security