Top Database Administrator Jobs in Chicago, IL

Administer and optimize P21/SQL databases, design logical and physical data models, manage SSRS reports and SSIS packages, ensure security, backups, and recovery, tune performance, collaborate with cross-functional teams and vendors, and document database procedures and policies.

Senior database administrator responsible for advanced operational support, performance tuning, and architecture of enterprise SQL Server environments (hub-and-spoke). Lead technical escalation, mentor DBAs, design ETL/data distribution, manage availability and DR, support Azure/Databricks modernization and cloud migrations, and participate in 24x7 on-call rotation.

Administer and optimize on-premises and Azure SQL environments, ensure availability and integrity, lead cloud data platform modernization, manage CI/CD and deployments, provide 24x7 incident support, and drive performance tuning and data governance.

Senior DBA responsible for designing, securing, automating, and supporting cloud database platforms for IFS Cloud. Manage Oracle 19c+ environments, Exadata, RAC, Data Guard, GoldenGate, backups, performance tuning, FedRAMP/NIST compliance, hardening, incident response, monitoring, and automation while partnering with cross-functional teams.

Lead design and optimization of Cassandra/DataStax databases, develop ETL solutions, implement policies and best practices, collaborate with application teams to improve query performance, and provide hands-on backup, recovery, and support to ensure business continuity.

The SQL DBA/System Analyst will support technical initiatives, perform ESI processing, manage databases, and administer technical systems within a government environment.

Administer and optimize Microsoft SQL Server databases across on-premises, Azure, and AWS. Design and support HA/DR (Always On, clustering, replication, log shipping), perform installs/patches/migrations, monitor performance and capacity, lead incident response and root cause analysis, manage backup/recovery and compliance, drive automation and operational excellence, and mentor engineering teams.

Own P&L for one or more areas of the energy business. Build and maintain fundamental and quantitative trading models. Work with risk to ensure compliance with metrics. Collaborate with senior energy traders and learn proprietary trading methodologies and systems.

Manage and secure Azure database environments by automating tasks (PowerShell, Azure CLI, Ansible), provisioning/configuring Azure SQL, SQL MI, and PostgreSQL, performing migrations and security assessments, ensuring HA/backup/recovery and performance tuning, and maintaining documentation and 24x7 operational support.

Manage, monitor, and optimize Azure SQL Managed Instances and SQL Server on Azure IaaS. Support HA/DR, backup/restore, performance tuning, replication/CDC, Azure Data Factory, Elastic Jobs, SSRS/SSAS/SSIS, incident response, change control, documentation, and customer-facing managed services tasks including on-call and limited travel.

Manage and administer SQL and Oracle databases, perform Linux system administration, ensure database availability and performance, communicate with stakeholders. 6+ month contract; local candidates preferred for phone and face-to-face interviews.

Manage and optimize MySQL transactional and data-warehouse systems for performance and availability. Administer Red Hat/CentOS web and application servers, support Rackspace VM environments, design schemas (relational, star, snowflake), optimize SQL and queries, implement replication/partitioning/high-availability, lead data-related projects, support BI/ETL (Pentaho) and scripting (Python), and drive architecture/ security and privacy initiatives.

Administer and maintain Microsoft SQL Server databases, clusters, and data warehouses. Design end-to-end database solutions, perform data modeling, metadata analysis, and ETL using SSIS. Support BI tools (SSRS, SSAS), manage file transfers (FTP), and ensure data warehousing best practices.

Administer, design, implement, and support Greenplum analytic data warehouse clusters. Manage multi-tenant production environments, troubleshoot hardware/software issues, optimize distributed performance, secure clusters, handle disaster recovery, automate infrastructure with Ansible/IaC, script in Perl/Python/Java/Spark/Bash, and work with cloud IaaS/PaaS (AWS preferred) and complex networking (firewalls, VLANs, load balancers).

Design, implement, and support a Greenplum analytic data warehouse. Manage multi-tenant production Greenplum clusters, troubleshoot hardware/software issues, optimize distributed system performance, enforce security and disaster recovery best practices, automate infrastructure with Ansible/IaC, and develop automation or tooling using Perl, Python, Java, Spark, or Bash. Work with cloud IaaS/PaaS environments and complex networking (firewalls, VLANs, load balancers).

Manage, design, implement and support enterprise Cassandra databases for 24/7 applications. Build and maintain multi-datacenter clusters on AWS, perform data modeling, migrations, monitoring, performance tuning, and troubleshooting. Work with Solr, big data systems, and other NoSQL/RDBMS technologies as needed.

Manage design, implementation, and ongoing support of a Greenplum analytic data warehouse. Administer multi-tenant Greenplum clusters, tune distributed performance, ensure security, disaster recovery, and cluster connectivity. Troubleshoot hardware/software and complex networking (firewalls, VLANs, load balancers). Leverage cloud IaaS/PaaS, Infrastructure-as-Code, and automation; develop tooling using Perl/Python/Java/Spark/Bash.

Manage design, implementation, and support of Cassandra operational data for 24/7 applications. Build and administer multi-datacenter Cassandra clusters on AWS, perform monitoring, performance tuning, data modeling, migrations, Solr integration, and troubleshoot hardware/software issues.

Design, implement, and support Greenplum analytic data warehouse environments. Manage multi-tenant Greenplum clusters, troubleshoot hardware/software and networking, ensure security, performance, and disaster recovery, and automate infrastructure using IaC tools.

Design, implement, and support a Greenplum analytic data warehouse. Manage multi-tenant production Greenplum clusters, optimize distributed performance, ensure security and DR, troubleshoot hardware/software issues, automate infrastructure with IaC, and develop scripts/tools using Perl/Python/Java/Spark/Bash. Leverage cloud IaaS/PaaS (AWS preferred).

Administer, design, implement and support Greenplum analytic data warehouses. Troubleshoot hardware/software issues, optimize distributed performance, manage multi-tenant clusters, implement IaC, cloud integration, and ensure security and disaster recovery.

Responsible for designing, implementing, and supporting Cassandra operational data for 24/7 applications. Tasks include setting up and managing multi-datacenter Cassandra clusters (AWS), data modeling, migrations, monitoring, performance tuning, Solr integration, and scripting for automation. Ensure security, disaster recovery, and troubleshoot hardware/software issues; familiarity with other NoSQL and RDBMS technologies is a plus.

Senior Informix DBA consultant responsible for Informix database administration, development/configuration, solution validation and deployment, business process consulting, project and talent management, and client-facing consulting with regular travel.

Lead audits and performance tuning of large SQL Server environments: analyze schemas, stored procedures, indexes, and query plans; refactor queries and procedures; resolve locks/deadlocks; implement indexing/partitioning; use SQL Profiler, Extended Events and DMVs; define database governance and coach developers on best practices.

Lead database and DevOps engineer responsible for designing, installing, configuring, and maintaining Postgres/SQL/MySQL databases, ensuring recovery and operational stability. Build automation and CI/CD pipelines using Puppet and cloud platforms (AWS/Azure/GCP), support continuous delivery, recommend scalability improvements, and collaborate with cross-functional teams.