Top Database Administrator Jobs

Responsible for Oracle application development and advanced Oracle database administration including 11g RAC. Perform database performance tuning, troubleshooting, and maintenance. Must have UNIX knowledge and shell scripting skills. Work located in Agoura Hills, CA; specific US work authorization required.

Administer and support Teradata environments: install/configure/upgrade software, backup/restore/migrate data, monitor and optimize performance, implement security, maintain documentation and standards, and support load utilities and release deployments across multiple Teradata systems.

Administer and maintain Microsoft SQL Server databases and MS Reporting Server datastores. Perform backups, consistency checks, upgrades, and monitor performance. Troubleshoot performance, capacity, and security issues. Build queries, stored procedures, views, triggers and support developers. Provide guidance on database changes and ensure availability and data integrity.

Provide hands-on performance tuning and optimization for Oracle (10g/11g/12c) databases on Exadata and RAC/ASM environments. Lead capacity planning, design RAC solutions for OLTP and DW workloads, support upgrades and SDLC performance phases, resolve performance incidents, enforce SLAs, promote consolidation, and collaborate with infrastructure, application teams, and vendors to ensure high availability, scalability, and efficient resource utilization.

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).

Senior Cassandra DBA/Architect responsible for Cassandra data modeling, schema and data-structure design, query development, performance tuning, and handling big-data workloads. Must be hands-on with recent Cassandra experience, strong NoSQL expertise, and 10+ years' experience. Preferred: Salesforce data model/loading and ETL (Informatica, Ab Initio). US-authorized candidates only; no sponsorship.

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, maintain, and support MS SQL Server databases including development, debugging, backups/restores, ETL and report development. Develop and test queries, custom screens, and tables; troubleshoot database, programming and business issues; maintain websites and report servers (Crystal Reports).

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, monitor and optimize Oracle databases (Production/Test/Dev). Perform capacity planning, backup/recovery (RMAN), security, RAC/OEM administration, shell scripting, and support application teams during development and migrations.

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).

Mid-level RDBMS/Java consultant translating requirements into system designs, working across SDLC. Requires RDBMS fundamentals (DB2/Sybase), Core Java, Unix/Linux, Hibernate/Spring, RESTful services, front-end basics, CI, version control, and client-facing skills in a global delivery environment.

Lead database design, installation, configuration, and maintenance for enterprise SQL Server applications. Establish standards and best practices, support high-availability databases, perform performance tuning and code reviews, troubleshoot complex issues, mentor team members, synchronize database and system architectures, and produce logical/physical data models and documentation.

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 DB2 DBA responsible for DB2 LUW administration, performance tuning, replication, transaction log and execution plan analysis, Perl scripting for automation, clustering/load balancing, production support, troubleshooting, and SQL/stored procedure optimization.

Administer and monitor Oracle Exadata appliances and databases: respond to OEM/ITSM alerts, perform ExaCheck and health checks, tune queries, handle backup/DR (Data Guard), cloning/export/import, patching/upgrades, capacity planning, account and tablespace management, participate in deployments and ops meetings, and support global delivery.

Lead and manage DB2 LUW database administration: design, model, configure, test, install, secure, back up and recover databases; troubleshoot production issues; coordinate staff and projects; provide training and documentation; assist with budgeting, contracts, and department administration.

Senior hands-on Cassandra Database Architect responsible for Cassandra data modeling, data structure design, writing queries, performance tuning, and handling big data. Must have recent Cassandra experience, strong NoSQL expertise, and 10+ years' experience. Salesforce data model, Salesforce data loading, and ETL tools (Informatica, Ab Initio) are desirable.

Manage and support Oracle Exadata appliance clusters: monitoring (OEM/ITSM), health checks (ExaCheck), patching/upgrades, Data Guard, cloning, capacity planning, performance tuning, user/account management, incident resolution within SLAs, and participate in deployments and ops meetings in a global delivery environment.

On-site Unisys OS2200 DBA consultant to design, maintain, and optimize hierarchical (DMS) and relational (RDMS) databases. Responsibilities include logical/physical design, schema/subschema coding, reorganizations, capacity planning, performance tuning, creating COBOL utilities for unload/reload, using Unisys DB utilities and UREP/DBE tools, supporting .NET integrations and distributed transactions, and occasional after-hours work for migrations.