Oracle DBA

Job Description

Oracle DBA-GoldenGate Focus

JOB DESCRIPTION

We are seeking a highly skilled Oracle GoldenGate–focused Oracle DBA Contractor to support mission-critical enterprise data replication, database administration, and cloud integration initiatives. This role centers heavily on GoldenGate engineering, real-time data movement, and high-availability operations across on-prem and cloud platforms, including data delivery into Google Cloud Storage (GCS) and BigQuery. The contractor will also support Oracle database environments, contribute to architectural improvements, and participate in a scheduled on-call rotation to ensure 24×7 system support.

Responsibilities

• Lead the deployment, administration, tuning, and troubleshooting of Oracle GoldenGate (19.x/21.x) in large-scale production environments.

• Configure and support GoldenGate Extract, Pump, and Replicat processes for uni-directional and bi-directional replication.

• Design and maintain full-load + CDC data pipelines from Oracle to GCS and into BigQuery, including file-based ingestion (Avro/Parquet/JSON) and MERGE operations.

• Support Zero-Downtime Migration (ZDM) strategies and GoldenGate high-availability architectures.

• Administer Oracle databases (11gR2, 12c, 19c), including Grid Infrastructure, RAC, ASM/ACFS, performance tuning, and production operations.

• Work with ZDLRA (Zero Data Loss Recovery Appliance) for backup, recovery, incremental-forever strategies, and real-time redo transport.

• Analyze performance issues using AWR, ASH, ADDM, trace files, logs, and JVM diagnostics (heap, GC, thread dumps).

• Configure and troubleshoot replication involving Oracle and MS SQL Server.

• Support DR planning and testing across on-prem, OCI, and hybrid environments.

• Prepare operational dashboards, metrics, charts, and trend analysis for capacity and performance.

• Collaborate closely with infrastructure, networking, cloud, and application development teams.

• Participate in an on-call rotation for production support during evenings/weekends.

• Required Experience

• 5+ years Oracle DBA experience supporting production environments.

• 3+ years hands-on GoldenGate experience (19.x or 21.x).

• Strong expertise with CDC-based replication and high-availability architectures.

• Experience delivering Oracle GoldenGate data into GCS and BigQuery.

• Experience with ZDLRA, RMAN, and enterprise-grade recovery operations.

• Strong SQL/PLSQL, Linux/UNIX, and performance tuning skills.

• Experience troubleshooting large-scale distributed data replication environments.

• Excellent communication, documentation, and incident-response skills.

• Preferred Skills

• Experience with OCI GoldenGate or cloud-managed replication services.

• Knowledge of hybrid data architectures involving On-Prem, OCI, and GCP.

• Experience contributing to design discussions and continuous improvement initiatives.