Top Database Administrator Jobs in Chicago, IL

Administer and support Oracle E-Business Suite on OCI, including installation, configuration, patching, and performance tuning while ensuring compliance with security requirements.

Administer and optimize Oracle databases on Exadata platforms, including RAC, ASM, Data Guard and Real Application Testing. Perform migrations, firmware/software maintenance, performance tuning, VLDB and partitioning solutions, and implement Exadata-specific features and configurations. Work within established project processes and support high-availability architectures.

Administer and optimize Oracle/SQL Server and Amazon Redshift databases. Design schemas, tune queries, manage clusters (spin up/resize), handle backup/recovery, capacity planning, performance analysis, issue resolution, and perform SQL-based query optimization on Unix/Linux environments.

Provide senior-level administration and sustainment for GEOMAP databases: ensure availability, performance, security, backups/recovery, patching, monitoring, troubleshooting, change implementation, and documentation across dev/test/staging/production while collaborating with software, cloud, DevSecOps, testing, and support teams.

Lead design, scaling, performance tuning, and reliability of PostgreSQL databases for a high-availability SaaS platform. Troubleshoot production incidents, automate administration, maintain security and observability, and mentor engineering teams on query and schema optimization.

The job requires an Oracle DBA with over 10 years of experience to support a client for 10 months. Candidates must be U.S. citizens or Green Card holders.

Lead architecture, automation, and support of enterprise SQL Server environments on-premises and in cloud. Execute migrations to Azure/AWS, build IaC with Ansible/Terraform, monitor with Prometheus/Grafana, design ETL pipelines (SSIS/ADF/Kafka/Airflow), automate DBA tasks, troubleshoot performance issues, ensure security/compliance, produce documentation, integrate with CI/CD, and participate in on-call rotation.

Lead architecture, automation, migration, and operational support for enterprise SQL Server environments on-premises and in cloud. Build IaC, monitoring, ETL pipelines, automate DBA tasks, troubleshoot performance/availability, ensure security/compliance, maintain runbooks, and participate in 24/7 on-call rotation.

Serve as primary DBA SME bridging on-premises SQL Server to Microsoft Fabric. Design hybrid database architectures, implement cloud-based SQL services, establish Data Operations processes and SLAs, manage data integration, security controls, performance tuning, monitoring, and disaster recovery to support analytics and AI workloads.

Own and operate PayTrace's multi-platform database environment: provision, configure, patch, monitor, tune, and recover databases. Lead modernization from MS SQL to AWS RDS, support HA/DR and multi-region active-active, automate administration and data pipelines to Snowflake, assist developers with query tuning, and provide technical guidance and documentation. Be available for production incident response.

Design, install, and administer ClearPath OS2200 RDMS/DMS database environments; perform monitoring, tuning, backup/recovery, upgrades, DR testing, ITIL-driven incident/change management, automation, multi-customer managed services support, on-call rotation, and documentation.

Primary Oracle DBA for a production RAC cluster with Data Guard standby. Own performance tuning, storage and capacity planning, patching/version management, backup/recovery, security hardening, and incident response. Lead index, execution-plan, and connection-pool optimization; support upgrades, APEX/ORDS deployment, environment refreshes, and infrastructure migration while documenting runbooks and collaborating with application and infrastructure teams.

Seeking an Oracle DBA with OTM experience to manage database systems, utilizing SQL, DB2, and Informix. Must be a US citizen or Green Card holder.

Senior-level DBA responsible for SQL Server administration, database design and architecture, performance tuning, security, backup/recovery, migration, deployment support, and monitoring across production, test, and development environments. Must support mission-critical applications within FISMA-regulated federal environments and follow Agile/SDLC and application lifecycle processes while providing strong documentation and communication.