Top Database Administrator Jobs

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.

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).

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.

Administer and monitor Oracle Exadata appliances: perform health checks (ExaCheck), OEM/ITSM ticket handling, query tuning, Data Guard replica management, cloning/export/import, patching, capacity planning, account and network/container rule management, incident RCA, and participate in deployments and global ops meetings.

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.

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.

Senior Cassandra Database Architect responsible for hands-on Cassandra design, data modeling, query development, big-data handling, and performance tuning. Must have recent Cassandra experience and extensive (10+ years) IT experience.

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).

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.

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.

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.

Lead DB2 LUW database administration including design, configuration, backup/recovery, security, capacity planning, troubleshooting, upgrades, and coordinating teams. Manage projects, training, documentation, and administrative tasks like budgeting and reporting.

On-site consultant to design, maintain, and optimize Unisys OS2200 DMS (hierarchical) and RDMS (SQL) databases. Duties include logical/physical design, schema/subschema coding, reorganizations, capacity planning, data dictionary coordination, development of COBOL utilities for unload/reload, DMS maintenance with I-QU PLUS-1/DMU/DRU, DBE usage, and troubleshooting integrations with Windows .NET applications and distributed transactions. Occasional non-standard hours required.

On-site consultant to design, maintain, tune, and grow Unisys OS2200 hierarchical (DMS) and relational (RDMS) databases. Duties include logical/physical design, schema/subschema coding, reorganizations, capacity planning, monitoring DARP/SARP usage, data dictionary coordination, utility and COBOL program development for unload/reload, and integration support with Windows .NET applications and distributed transaction processing. Occasional non-standard hours required.

Consultant will administer MySQL databases: set up master/slave replication, implement automated backup and recovery, perform SQL and performance tuning, manage users, use MySQL Enterprise Monitor, and train/communicate best practices to a team of developers.

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.

Senior MongoDB DBA responsible for installation, configuration, migrations, patching, capacity planning, backup/recovery, monitoring, performance tuning, HA/DR design, root-cause analysis, and 24x7 support. Team lead experience and ITIL v3 certification required.