Senior Data & Integration Engineer: Oracle & Middleware

Estrada Consulting, Inc; Los Angeles (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Estrada Consulting, Inc. is seeking a Senior Data / Database Engineer – Integration & Middleware Engineer to support a high-volume, mission-critical criminal justice information system.

You will manage databases, data interfaces, and middleware across multiple source systems and external partners. The role requires hands-on expertise in Oracle SQL/PL/SQL, data warehousing, and enterprise integration with message brokers and data queues.

Qualifications

• Senior hands-on experience in data, database and integration engineering for enterprise environments.
• Strong background in Oracle SQL/PLSQL, data warehousing and high-volume processing.
• Experience with middleware, message brokers, data queues and real-time/batch data integration.
• Proven ability to design, develop and support interfaces between multiple systems.

Responsibilities

• Serve as a senior Data/Database and Integration/Middleware Engineer for enterprise production systems.
• Support database and data-warehouse environments, data interfaces and middleware components.
• Develop and optimize Oracle SQL/PL/SQL, stored procedures and processing logic.
• Handle near-real-time and batch data integration across multiple applications and agencies.
• Troubleshoot data discrepancies, interface failures, and production issues across systems.
• Maintain documentation for data flows, interfaces, and operational procedures.

Skills

Data engineering

Database engineering

Systems integration

Middleware engineering

Oracle SQL

PL/SQL

Unix/AIX

Oracle 19c

WebLogic/WebSphere

Cloverleaf

Data warehousing

ETL/data transformation

Tools

Oracle 19c

WebLogic

WebSphere

Cloverleaf

PIX/Cloverleaf

IBM AIX

Job description

Estrada Consulting, Inc. is seeking a Senior Data / Database Engineer – Integration & Middleware Engineer to support a high-volume, mission-critical criminal justice information system.

You will manage databases, data interfaces, and middleware across multiple source systems and external partners. The role requires hands-on expertise in Oracle SQL/PL/SQL, data warehousing, and enterprise integration with message brokers and data queues.