Sr. Oracle Database Engineer (Development & Administration)

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.

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

Requirements

• TS/SCI FSP Clearance
• 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 datab