Senior Oracle Database Engineer

# Senior Oracle Database Engineer
* Annapolis Junction, MD
* Full-time
* just now## About this role

We are seeking a Senior Oracle Database Engineer with 10+ years of experience developing, troubleshooting, and supporting enterprise-scale Oracle database applications. This position is primarily focused on hands-on SQL and PL/SQL development, production debugging, script remediation, ad hoc data analysis, and the maintenance of data feeds and integration endpoints.

The ideal candidate has expertise in Oracle SQL and PL/SQL, along with complementary database administration skills that support effective production troubleshooting, performance tuning, deployment, recovery, and collaboration with DBA and infrastructure teams.

Required Skills- 10+ years of experience developing and supporting enterprise solutions using Oracle Database, including Oracle 10g through current versions.

- Advanced expertise in Oracle SQL and PL/SQL, including packages, procedures, functions, triggers, views, materialized views, dynamic SQL, collections, bulk processing, exception handling, and database APIs.

- Extensive experience debugging and troubleshooting complex SQL and PL/SQL code in development, test, and production environments.

- Demonstrated ability to:

- Analyze existing database code and business logic.

- Identify defects, data issues, and performance bottlenecks.

- Rewrite, refactor, and optimize existing scripts.

- Develop and maintain operational and production-support scripts.

- Create ad hoc queries for data analysis, reporting, reconciliation, validation, and issue resolution.

- Strong experience maintaining and supporting data feeds and system integrations, including:

- Apache NiFi data flows and endpoints.

- AWS services, interfaces, and endpoints.

- APIs and service-based integrations.

- File-based data transfers and batch interfaces.

- Upstream and downstream application dependencies.

- Data validation, reconciliation, exception handling, and feed monitoring.

- Experience diagnosing data-feed and integration failures by tracing issues across database objects, PL/SQL processes, NiFi flows, AWS endpoints, files, APIs, and dependent systems.

- Strong knowledge of SQL and PL/SQL performance tuning, including execution-plan analysis, optimizer statistics, indexing, partitioning, query optimization, locking, concurrency, and wait-event analysis.

- Experience using Oracle diagnostic and performance tools such as AWR, ASH, ADDM, SQL Trace, TKPROF, and Oracle Enterprise Manager Cloud Control.

- Experience supporting high-volume data processing, batch jobs, ETL workflows, data conversion, data migration, and data-reconciliation processes.

- Working knowledge of database application design, data modeling, schema development, and database object management sufficient to maintain and enhance scalable, reliable database solutions.

- Experience deploying SQL, PL/SQL, schema, and configuration changes through structured development, testing, validation, and production-release processes.

- Familiarity with source control, code review, release documentation, rollback planning, and automated or repeatable database deployment practices.

- Complementary Oracle database administration experience, including working knowledge of:

- Oracle RAC.

- RMAN backup and recovery.

- Oracle Data Guard.

- Database security, roles, privileges, and auditing.

- Table spaces, storage, sessions, locks, and database-object management.

- Production monitoring, incident troubleshooting, and recovery procedures.

Primary Responsibilities
- Debug and resolve complex SQL, PL/SQL, data, and production-processing issues.

- Review, rewrite, refactor, and optimize existing SQL and PL/SQL scripts.

- Develop ad hoc queries and scripts to support investigations, reporting, reconciliation, data correction, and operational requests.

- Maintain and enhance PL/SQL packages, procedures, functions, triggers, batch jobs, and database interfaces.

- Monitor, troubleshoot, and maintain data feeds involving Oracle, Apache NiFi, AWS endpoints, APIs, files, and connected applications.

- Investigate failed or incomplete data flows and coordinate resolution across database, integration, application, and infrastructure teams.

- Perform data validation and root-cause analysis to identify discrepancies between source and target systems.

- Support application releases, database deployments, production incidents, and post-deployment validation.

- Tune SQL and PL/SQL workloads to improve performance, scalability, and reliability.

- Partner…