Top Database Administrator Jobs in Chicago, IL

Maintains enterprise databases in secure federal and DoD-aligned environments. Responsibilities include installation, patching, upgrades, performance tuning, indexing, high availability, clustering, replication, backup and recovery, RMF control support, STIG implementation, vulnerability remediation, documentation, deployment support, and mentoring junior DBAs.

Provide senior Oracle database administration for DOE applications across development, test, and production environments. Install, configure, patch, upgrade, monitor, secure, tune, and maintain Oracle databases, Fusion Middleware, WebCenter, OID, OAM, SSO, data warehouses, and ETL processes. Support backup, recovery, disaster recovery, cybersecurity remediation, A&A/ATO activities, incident resolution, documentation, capacity planning, and critical patch management. The role is fully remote but requires U.S. citizenship and the ability to obtain a DOE Q Clearance.

Administer and implement enterprise database platforms across Google Cloud and other cloud environments. Manage SQL Server, BigQuery, Cloud SQL, security, backups, monitoring, performance tuning, query optimization, schema design, data pipelines, cost optimization, and governance. Provide technical support, troubleshoot incidents, manage releases and database-as-code, respond to on-call issues, and collaborate with IT and application teams. Improve operations through automation and AI tools while documenting solutions and supporting users.

Support managed-service customers by administering production Oracle databases, including monitoring, backup and recovery, maintenance, patching, upgrades, performance troubleshooting, security, and high-availability solutions. Assist with installations, automation, documentation, incident and change management, and availability and capacity reporting. The role is customer-facing and involves supporting Oracle environments across on-premises and cloud platforms while developing Database-as-a-Service capabilities under senior DBA guidance.

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.

Manage, design, and optimize data activities for federal IAM systems. Develop data models, file layouts, source-to-target mappings, data dictionaries, integrations, ETL processes, and analytics support for identity analysis and fraud detection. Administer and tune databases, including configuration, backups, monitoring, capacity planning, and performance optimization. Support secure handling of identity and PII data, network-related data flows, documentation, token management processes, and collaboration across development, security, and operations teams.

As a Senior Database Administrator at Cinch, you will optimize PostgreSQL performance, manage database security, and ensure compliance while collaborating with engineers to enhance the platform.

Lead design and development of web UI and REST middleware within an Agile team. Define requirements and acceptance criteria, implement Java/Spring and Angular solutions, build CI/CD pipelines, work with Product Owner and testers, and produce/update design documentation.

Lead administration and optimization of the Snowflake data warehouse. Design and enforce data management and security policies, tune performance and costs, lead migrations and ETL initiatives, manage Snowflake roles/SSO, mentor DBAs, and maintain architecture documentation while collaborating with data engineers and analysts.

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

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 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 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).

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.

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.

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.

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.

Manage installation, configuration, patching, and maintenance of mission-critical Oracle databases. Administer Grid Infrastructure, ASM, networking, and backup/recovery (RMAN). Monitor performance, perform tuning and SQL optimization, implement security controls (TDE, OLS, Database Vault, Unified Auditing), support HA/DR, automate operational tasks, remediate vulnerabilities (STIG/RMF), collaborate with devs and cybersecurity, and maintain operational documentation.