Top Database Administrator Jobs

Provide DB2 for z/OS administration for payroll and financial systems: install/migrate releases, perform backups/recovery, tuning (runstats, reorg), troubleshoot online and batch jobs, manage IBM tickets, administer InfoSphere Data Replication, and support disaster recovery drills.

Leads administration of enterprise Microsoft SQL Server databases, overseeing installation, configuration, availability, performance, security, backups, disaster recovery, capacity planning, and deployments. Collaborates with developers on T-SQL queries, stored procedures, indexes, and schemas. Maintains high-availability environments, resolves performance issues and outages, documents recovery procedures, and serves as the primary database escalation point. The role includes hybrid office work, regular onsite attendance, 24/7 on-call rotation, and mandatory election-cycle overtime.

Administer and support Oracle RAC databases on AIX and OCI, including installs, migrations, performance tuning, automated patching, Data Guard DR, monitoring with OEM, automation with Ansible/Shell, security enforcement, incident/change management via ServiceNow, 24/7 on-call rotations, documentation, and engineering-driven system design and enhancements.

Lead ownership of database health, performance, security, and cost optimization across CloudSQL/PostgreSQL, MongoDB, MSSQL, and MySQL. Implement HA/DR, observability, migrations, automation, and compliance controls; mentor teams and participate in on-call rotation.

Support migration of a large SAP landscape to a commercial cloud provider. Assist SAP Basis with database configuration and parameter changes for information assurance. Install, patch, and performance-tune large SAP Oracle databases on virtualized Linux x86 systems. Help resolve issues from technical and regression testing. Support high-availability and disaster-recovery setups and cloud Oracle deployments (AWS/Azure). Must be on-site daily with active DoD Secret clearance and US citizenship.

Manage and optimize Oracle databases on Exadata and RHEL/OEL Standard Edition platforms. Responsibilities include RAC/Data Guard/ASM management, performance tuning (AWR/ADDM/ASH), patching, RMAN backup/recovery, automation scripting (Bash/PL/SQL), incident response, runbook maintenance, on-call support, and mentoring junior DBAs.

Owns enterprise SQL Server administration, including deployment, performance tuning, backup and recovery, HA/DR, security, patching, automation, and on-call support. Leads modernization across Azure SQL, Synapse, and Microsoft Fabric; standardizes alerting, disaster recovery, governance, infrastructure-as-code, and database CI/CD. Partners with data engineering, BI, application, infrastructure, and governance teams while mentoring technical staff and making architecture, performance, and incident decisions.

Provide primary DBA support for DB2 on Z Series mainframe and new database installs. Responsibilities include table reorgs, indexing, partitioning, performance tuning, automation and scheduling (Zeke), extensive use of JCL, Easytrieve, and REXX. Maintain data dictionaries, logical and physical models, database schemas and application objects, perform capacity planning, manage installs/patches/upgrades, HA, security, backups, restores, exports/imports, and environment tuning.

The Sr. DBA will maintain database integrity, security, and availability, perform troubleshooting, monitoring, and performance tuning, and manage database lifecycle activities.

Manage and maintain Oracle and Microsoft SQL Server databases including performance tuning, backups/archiving, security, patches and upgrades. Troubleshoot production issues, optimize queries and indexes, manage user permissions, test changes in non-production, and keep technical documentation current while supporting DoD/federal environments.

Maintain and administer Oracle databases in a heterogeneous environment: install/upgrade Oracle DBMS, script monitoring (Perl/UNIX), ensure backup/recovery integrity, configure storage, perform tuning, enforce STIG security, and advise on database architecture and operations.

Lead administration and optimization of enterprise Microsoft SQL Server environments, implement high-availability and disaster recovery (Always On), tune performance and reporting workloads, automate administration with scripting, manage upgrades/patches, ensure security/compliance, mentor junior engineers, develop monitoring/alerting, and provide on-call/off-hours support.

Administer and support Oracle 19c databases in a Data Guard configuration (1 primary, 2 standbys). Manage Data Guard Broker and FSFO (multi-standby, multi-site observers), perform routine/emergency patching (RU/CPU), monitor with OEM, run RMAN backups and Flashback, perform switchover/failover and reinstatement, troubleshoot transport/apply lag and broker errors, and perform performance tuning (AWR/ASH).

Senior Oracle DBA/Engineer responsible for administering and engineering enterprise Oracle databases (v10+). Duties include database design, migration planning, performance tuning, RAC deployment, RMAN backup/recovery, Exadata management, Data Guard/DB Vault/Label Security, OEM Cloud Control, and leading enterprise solutions that integrate GOTS/COTS/IaaS/PaaS/SaaS while providing technical leadership on complex engagements.

Lead administration and support of Oracle 19c databases in Data Guard configurations (1 primary, 2 standbys). Manage Data Guard Broker, FSFO and multi-site observers; perform patching (RU/CPU), RMAN backups, flashback, switchover/failover, performance tuning (AWR/ASH), and monitoring with OEM. Provide Linux administration and shell scripting support and troubleshoot Data Guard transport/apply lag and archive gaps.

Administer, maintain, and optimize enterprise databases (Oracle, SQL Server, PostgreSQL) and IT infrastructure. Manage virtualization, servers, networking, backups, security, and disaster recovery. Monitor performance, tune systems, troubleshoot issues, support data integration, collaborate with developers and analysts, provide technical support, and present findings with visualization and reporting tools. Support DoD/Intelligence missions under required security clearances.

Lead operational database services for Postgres and Snowflake in Azure: performance tuning, maintenance, security, replication, disaster recovery, data integration, stored-procedure development, and cross-team incident resolution to improve data quality and accessibility.

Contract Oracle DBA responsible for administering Oracle 12c and newer databases. On-call availability required. Work is on-site in Lincolnshire, IL with specified shift windows; six-month duration and in-person interview.

The Sr. Database Administrator will manage SQL Server databases, perform optimization and troubleshooting, and develop data pipelines using Databricks, focusing on enterprise data platforms.

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.

Manage and administer Oracle databases (including Exadata Cloud), perform daily DBA tasks, monitor and optimize performance, manage backups/recovery, develop queries/reports, configure Oracle APEX/ORDS, integrate datasets into the data warehouse, produce user documentation, and collaborate on cross-functional teams using JIRA.

Responsible for database architecture and ETL processes. Requires managing a SQL Data Warehouse, ensuring data integrity and performance, and supporting users' business needs.

Senior DBA responsible for designing, building, and maintaining MS SQL Server databases and ETL (SSIS) processes, managing a SQL Data Warehouse for reporting, optimizing performance, ensuring data integrity/recovery, and producing technical documentation.

Lead design, implementation, and optimization of Oracle database environments. Ensure availability, security, backups, and disaster recovery. Collaborate with developers, troubleshoot complex integrations, perform performance tuning, and support mission-critical operations including on-call rotations and upgrades.

Lead Oracle DBA responsible for architecture, installation, configuration, administration and support of Oracle Databases and EBS R12. Ensure high availability, performance tuning, implement Data Guard/RAC/ASM, collaborate with application and infrastructure teams, mentor junior DBAs, participate in projects, deployments, and documentation.