Senior Database Engineer: AWS/Azure, PostgreSQL Migrations

Zelis Healthcare, LLC; Morristown (NJ); Hybrid; USD 105,000 - 133,000; Full time

Job summary

Zelis is modernizing healthcare data platforms. The Senior Database Engineer will design, implement, and optimize enterprise databases across AWS, Azure, and on‑prem environments, ensuring security, integrity, and high availability.

You will lead migration from SQL Server to PostgreSQL/Aurora, build automation with IaC, and monitor performance. The role involves production support and on‑call rotations in a hybrid work setup.

Qualifications

• Strong hands-on Microsoft SQL Server experience in production environments.
• Experience with database performance tuning, indexing, and query optimization.
• AWS experience with RDS/Aurora or Azure SQL/Azure SQL Managed Instance is preferred.
• Experience migrating SQL Server workloads to PostgreSQL or Amazon Aurora PostgreSQL.
• Automation of database tasks using scripting and IaC; familiar with Git/GitHub/CI/CD.
• Experience with monitoring/observability tools and disaster recovery planning.

Responsibilities

• Engineer and support enterprise database platforms across AWS, Azure, and on‑premises.
• Migrate databases and applications from Microsoft SQL Server to PostgreSQL/Aurora PostgreSQL.
• Perform performance tuning, schema and index optimization, and data access pattern analysis.
• Develop automation and IaC for provisioning, configuration, and upgrades.
• Participate in 24x7 production support and on‑call rotations.

Skills

SQL Server

PostgreSQL

Cloud platforms (AWS/Azure)

Automation/IaC

Migration experience

Monitoring/Observability

On-call support

Query performance tuning

Tools

GitHub

CI/CD

VS Code

IDERA

Azure SQL

Job description

Zelis is modernizing healthcare data platforms. The Senior Database Engineer will design, implement, and optimize enterprise databases across AWS, Azure, and on‑prem environments, ensuring security, integrity, and high availability.

You will lead migration from SQL Server to PostgreSQL/Aurora, build automation with IaC, and monitor performance. The role involves production support and on‑call rotations in a hybrid work setup.