Database Developer/DBA

REI Systems; United States; On-site; USD 110,000 - 150,000; Full time

Job summary

REI Systems is seeking an experienced Developer/DBA to support a mission-critical Federal Health IT program focused on application modernization, database engineering, data integration, analytics, and cloud-based solutions.

The ideal candidate will bring hands-on expertise in Oracle SQL, PL/SQL, ETL processes, performance optimization, and AWS cloud technologies, collaborating with cross-functional teams to implement scalable, secure database solutions.

Qualifications

• Expertise in Oracle SQL and PL/SQL for enterprise applications.
• Strong ETL development experience and data integration skills.
• Cloud experience with AWS and database modernization.
• Familiarity with DevSecOps practices and CI/CD pipelines.

Responsibilities

• Design, develop, implement, and maintain Oracle database solutions including procedures, packages, functions, triggers, views, and sequences.
• Develop and optimize complex SQL queries and PL/SQL for enterprise applications and reporting.
• Perform database performance tuning, indexing, partitioning, and execution plan analysis.
• Design and maintain schemas, ERDs, and deployment packages; maintain data models and data integrity.
• Collaborate with developers, architects, DevOps, and data engineers to deliver scalable, secure database solutions.

Skills

Oracle SQL

PL/SQL

ETL

AWS

Performance tuning

Tools

Matillion ETL

Job description

Overview

REI Systems' mission is to deliver reliable, innovative technology solutions that advance Federal clients' missions and exceed their expectations. Our technologists and consultants are passionate about solving complex challenges that impact millions of lives. We take a Mindful Modernization® approach in delivering our services, including application modernization, grants management, case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes through people, processes, and technology. We offer the same commitment to our employees by providing professional development, meaningful projects, and flexibility to spend time with family and friends. We believe employees are at their best when fulfilled in both their professional careers and their personal lives. Learn more at www.REIsystems.com Employees voted REI Systems a Washington Post Top Workplace in 2015, 2016, 2018, 2020, 2021, 2022, 2023, 2024, and 2025!

Responsibilities

Position Overview

REI Systems is seeking experienced Developer / Database Administrators (DBAs) to support a mission-critical Federal Health IT program focused on application modernization, database engineering, data integration, analytics, and cloud-based solutions.

The ideal candidate will bring strong hands‑on expertise in Oracle SQL, PL/SQL, database development, ETL processes, performance optimization, and AWS cloud technologies . This individual will play a critical role in designing, developing, maintaining, and optimizing enterprise database solutions that support complex federal applications and business operations.

The Developer DBA will collaborate with software developers, solution architects, DevOps engineers, data engineers, Product Owners, and Agile delivery teams to implement scalable, secure, and high‑performing database solutions.

This role also offers opportunities to leverage AI‑assisted development tools, intelligent automation, and modern DevSecOps practices to improve engineering productivity, code quality, testing, and operational efficiency.

Database Development and Engineering

• Design, develop, implement, and maintain Oracle database solutions, including stored procedures, packages, functions, triggers, views, materialized views, and sequences.
• Develop and optimize complex SQL queries and PL/SQL code supporting enterprise applications, reporting, and business processes.
• Perform database performance tuning, query optimization, indexing, partitioning, and execution plan analysis.
• Design and maintain database schemas, data models, entity relationship diagrams (ERDs), and database objects.
• Develop database migration scripts, schema modifications, deployment packages, and automated database release processes.
• Troubleshoot database performance issues, application integration challenges, and data integrity concerns.
• Support database administration and operational activities, including monitoring, troubleshooting, and production support.

ETL, Data Integration, and Cloud Technologies

• Design, develop, and maintain ETL workflows, data integration pipelines, and data transformation processes.
• Develop and support batch processing, data migration, data validation, and reconciliation solutions.
• Work with Matillion ETL or comparable enterprise ETL tools to develop and maintain data integration pipelines.
• Support cloud‑based data engineering and analytics solutions utilizing AWS services, including Amazon Redshift, Amazon RDS, and Amazon S3 .
• Analyze complex application data models, data mappings, and enterprise data flows.
• Collaborate with application and data engineering teams to ensure reliable data integration across multiple systems.
• Support database and application modernization initiatives, including cloud migration and integration efforts.

Application Development and DevSecOps

• Partner with application developers, architects, and technical teams to design efficient database solutions aligned with business and technical requirements.
• Develop and maintain database unit tests, regression tests, data validation scripts, and deployment verification processes.
• Support CI/CD pipelines and automated database deployments using modern DevSecOps practices.
• Participate in code reviews, technical design discussions, and troubleshooting activities.
• Support production deployments, incident resolution, root‑cause analysis, and post‑release validation.
• Maintain technical documentation, including database designs, deployment procedures, data mappings, and operational support guides.

AI‑Assisted Development and Automation

• Utilize approved AI‑assisted development tools to enhance SQL and PL/SQL development, testing, documentation, and troubleshooting.
• Identify opportunities to automate repetitive database development, validation, and operational activities.
• Support AI‑enabled software development lif