Senior PostgreSQL DBA

Postgres
UNITED STATES
October 27, 2026
Full Time
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Job Description

Company: Cognizant
Location: Charlotte, NC
Workplace Type: On-site
Employment Type: Full-time

About the Role

As a Senior PostgreSQL DBA, you will be responsible for the administration, performance, availability, security, and operational support of enterprise PostgreSQL environments across Production, UAT, and Development. You will play a key role in designing and maintaining high availability and disaster recovery solutions for mission-critical applications.

What You’ll Do / Key Responsibilities

  • Administer and support PostgreSQL databases, ensuring availability, reliability, and capacity planning.
  • Design, implement, and maintain backup, recovery, and disaster recovery solutions to meet RPO/RTO targets.
  • Design and support high-availability PostgreSQL architectures, including streaming and logical replication.
  • Analyze and resolve database performance issues through query optimization, indexing, partitioning, and execution plan analysis.
  • Tune PostgreSQL configuration parameters, memory utilization, I/O performance, and autovacuum settings.
  • Implement database security standards, user access controls, role management, and compliance requirements.
  • Develop automation solutions using Bash, Python, Shell scripting, and PostgreSQL utilities.
  • Support database upgrades, migrations, releases, and deployment activities.

Requirements & Qualifications

  • 8+ years of experience supporting enterprise PostgreSQL environments.
  • Strong expertise with PostgreSQL 14, 15, 16, and 17.
  • Extensive experience with streaming replication and logical replication and high availability architecture.
  • Proven experience with PostgreSQL performance tuning, query optimization, indexing, and partitioning.
  • Linux (RHEL) administration experience.
  • Proficiency in Bash, Shell, and Python scripting.
  • Hands-on experience with monitoring and observability tools and supporting ITIL-based operational processes (Incident, Change, Problem Management).

Preferred / Bonus Qualifications (if applicable)

  • Experience planning and executing PostgreSQL version upgrades.
  • Experience supporting cloud migration initiatives and hybrid database environments (AWS, Azure).
  • Experience defining database standards, governance controls, and operational best practices.

Benefits & Perks (if applicable)

  • Opportunity to work in a collaborative Cloud Infrastructure and Security team.
  • Support for a healthy work-life balance through wellbeing programs.

[Work model at Cognizant emphasizes flexibility where possible, but this specific role requires 5 days a week on-site in Charlotte, NC.]

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