Sr. Oracle Database Engineer (Development & Admin)
CDIT · Annapolis Junction, United States
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.
- Tablespaces, 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 with Oracle DBAs on database configuration, RAC, recovery, Data Guard, security, performance, and environment-related issues.
- Create and maintain technical documentation, support procedures, deployment instructions, troubleshooting guides, and operational runbooks.
Qualifications:
- 10+ years of experience developing and supporting enterprise solutions using Oracle Database.
- Bachelor’s degree in Computer Science, Information Technology, or a related field, or an equivalent combination of education and professional experience.
- Active CompTIA Security+ certification
- Experience with Oracle Exadata, Database Vault, Label Security, and large-scale data migration is highly desirable.
- Ability to work effectively with developers, database administrators, application owners, business analysts, infrastructure teams, and upstream and downstream integration partners.
- Must be an independent, analytical, and detail-oriented contributor with strong written and verbal communication skills and the ability to manage production issues and competing priorities.
- TS/SCI w/ FSP required.