Database Administrator

• Lead the architecture, design, and implementation of scalable, secure, high-performing enterprise database solutions in a cloud environment
• Serve as the technical OCI DBA expert in PL/SQL development
• Design and implement integration and database architectures using OCI and Oracle Database for multi-cloud applications
• Design, develop, and optimize PL/SQL packages, procedures, and workflows
• Conduct proactive database performance tuning, query optimization, and capacity planning
• Collaborate with established teams to design and implement solutions for Oracle SCM modules, ensuring data consistency
• Apply database and integration security, authentication, and encryption best practices in compliance with Department of Defense standards
• Troubleshoot and resolve complex integration and database issues across OCI, OIC, and on-premises environments
• Collaborate with customers on root cause analysis and corrective actions
• Mentor developers and integration teams and provide technical direction
• Maintain architectural diagrams, technical documentation, and design standards

Oracle Database Architect

• Design and implement scalable MySQL database architectures
• Provide hands-on expertise in MySQL installation, configuration, upgrades, and migrations
• Perform database performance tuning, optimization, and troubleshooting
• Design and manage high availability, replication, backup, and disaster recovery solutions
• Work with development and infrastructure teams on database design and best practices
• Monitor database health, capacity, security, and availability
• Troubleshoot complex production database issues

Oracle MySQL Database Architect

• Install, configure, monitor, upgrade, and maintain Stardog environments across development, test, and production
• Ensure knowledge graph platform availability, scalability, security, reliability, and performance
• Administer enterprise knowledge graph solutions supporting healthcare analytics, interoperability, benchmarking, quality reporting, and AI initiatives
• Develop and optimize SPARQL queries, semantic reasoning performance, indexing strategies, and large-scale graph workloads
• Implement and maintain backup, recovery, disaster recovery, and business continuity processes
• Manage RDF, OWL, RDFS, SHACL, and semantic data models representing healthcare concepts, measures, entities, and relationships
• Collaborate with enterprise architects and data governance teams to design and maintain healthcare ontologies and semantic models
• Support data virtualization, graph integrations, and semantic interoperability initiatives
• Partner with Data Engineering and Platform Engineering teams to support enterprise data platforms
• Integrate Stardog with SQL Server, PostgreSQL, Databricks, cloud storage platforms, APIs, and data integration technologies
• Develop automation scripts and operational procedures for deployment, monitoring, maintenance, and platform administration
• Support cloud-native deployments utilizing Kubernetes, Docker, Azure Container Apps, Azure Kubernetes Service (AKS), and related Azure services
• Monitor platform health, performance, capacity, and operational metrics
• Perform performance tuning and capacity management for graph database environments
• Support CI/CD and Infrastructure-as-Code (IaC) practices where appropriate
• Administer and support platform operations within Linux-based environments using command-line tools

Senior Stardog Database Administrator

• Provide database administration support for Oracle WebCenter Portal, DOE Budgeting System (Oracle Hyperion), DOE Financial System (Oracle EBS), and core databases supporting DOE applications
• Install, configure, and administer Oracle AI Database 26ai in production and development environments
• Design, set up, and advise on Oracle SSO, OID, and OAM, including integration with DOE OneID
• Perform Oracle Fusion Middleware installations, patching, upgrades, troubleshooting, and maintenance, including WebCenter Portal and WebCenter Content (UCM)
• Support data warehouse environments and ETL processes
• Recommend and implement database security, backup, recovery, redundancy, and disaster recovery strategies
• Implement automated monitoring and monitor database storage, availability, performance, and system health
• Perform database health checks and prepare quality assurance and performance reviews with CBS and OCIO teams
• Perform database performance analysis, capacity planning, system sizing, and ongoing maintenance
• Provide break/fix support, resolve production defects, and implement system stabilization changes
• Support remediation of cybersecurity findings
• Maintain system documentation, baseline configurations, SOPs, installation and upgrade documentation, security records, and event logs
• Support system owners and CBS security staff with annual Assessment and Authorization (A&A) and ATO activities
• Support internal and external data calls
• Review Oracle Critical Patch Updates, provide feedback, and coordinate testing and implementation across environments
• Support DOE applications across Development, Sandbox, Test, Performance, Training, and Production environments

Senior Oracle Database Administrator

• Administer and support PostgreSQL database environments, primarily Azure Database for PostgreSQL Flexible Server
• Ensure high availability, resilience, performance, and security of production PostgreSQL systems
• Perform backup and recovery, point-in-time restore, patching, upgrades, performance tuning, capacity management, and maintenance activities
• Configure and optimise PostgreSQL technologies and features including MVCC, VACUUM/autovacuum, WAL, replication, indexing, statistics, roles and privileges, and extensions
• Design and support Azure PostgreSQL capabilities including high availability, read replicas, private networking, backup and disaster recovery
• Support PostgreSQL security controls, authentication, TLS, least-privilege access, auditing, and Microsoft Entra ID integration where appropriate
• Monitor and troubleshoot query performance, locking, long-running transactions, connection utilisation, replication lag, storage, and database health
• Support connection management and pooling solutions such as PgBouncer
• Participate in cloud transformation and database migration initiatives, including migration of workloads to PostgreSQL
• Support Database DevOps, infrastructure automation, CI/CD pipelines, Git, and Azure DevOps
• Participate in incident, problem, and change management processes
• Maintain operational documentation, standards, runbooks, and support project onboarding activities
• Provide PostgreSQL technical leadership, mentoring, and knowledge transfer to other database professionals
• Participate in on-call rota and out-of-hours support where required

Database Administrator, PostgreSQL

• Administer and maintain database systems supporting AAO applications
• Modernize and transform enterprise business solutions for NASA
• Work with Microsoft SQL Server, Oracle, PostgreSQL and MySQL platforms
• Install, configure, upgrade, migrate, provision, secure and patch enterprise database systems
• Perform database backup and recovery
• Support high-availability and disaster-recovery database architectures
• Work with diverse platforms, applications and infrastructure spanning the Agency
• Engage with Enterprise Applications stakeholders and end-user communities
• Collaborate with other DBAs to troubleshoot and resolve complex database problems
• Participate in an on-call DBA rotation and respond to trouble tickets within SLA requirements

Database Administrator, DBA

• Design, implement, optimize, and support Experity’s cloud-native database platforms, focusing on Aurora PostgreSQL and MySQL running on AWS RDS
• Deploy, configure, and manage PostgreSQL and MySQL databases in AWS RDS and Aurora environments
• Configure and manage MySQL parameter groups, option groups, automated backups, snapshots, and maintenance windows
• Architect and support high-availability solutions using clusters, read replicas, Multi-AZ deployments, writer/reader endpoint strategies, and read scaling
• Monitor and mitigate replication lag across replicas
• Tune database-specific parameters and optimize Aurora storage architecture, I/O patterns, autovacuum behavior, and checkpoint tuning
• Optimize database indexing, query execution plans, and MySQL InnoDB configuration for production workloads
• Monitor and troubleshoot database performance using AWS CloudWatch, DataDog, and database-native tools such as pg_stat_statements and EXPLAIN
• Analyze and optimize query performance, indexing strategies, and resource utilization
• Investigate and resolve complex production issues, including locking, blocking, replication lag, and connection saturation
• Implement and manage backup and recovery strategies, including point-in-time recovery, automated snapshots, and cross-region resilience
• Partner with engineering teams to improve schema design, query patterns, and database access efficiency
• Drive observability best practices across database environments, including alerting, logging, and performance metrics
• Optimize cloud database cost and performance, including instance sizing, storage utilization, and workload tuning
• Support database migrations and modernization efforts
• Automate database provisioning and operations using Infrastructure-as-Code and scripting
• Participate in incident response, root cause analysis, and continuous improvement processes
• Support MySQL version upgrades, patching, and database migrations with minimal downtime
• Act as a technical leader in database reliability and performance, influence architecture decisions, mentor team members, and drive operational excellence across multiple database platforms
• Perform other duties as assigned

Senior Database Administrator – Postgres, MySQL

• Address automated alerts, failures, incidents and client requests as they come in
• Communicate clearly and efficiently with clients
• Document and detail work performed in tasks
• Serve as an individual contributor on the DBA team
• Improve service through automation and process improvement
• Support teammates in achieving team goals
• Continuously improve knowledge of data technologies
• Install, configure, patch and migrate Microsoft SQL Server instances
• Design, implement, troubleshoot and fix SQL Server HA/DR topologies, including log shipping, replication, AlwaysOn availability groups and failover clustering
• Facilitate client brainstorming meetings to review, analyze and assess business systems and needs
• Handle database backup and recovery, access security and integrity, physical data storage design and administration
• Manage database security and auditing
• Create, change and improve SQL Server Agent tasks and maintenance plans
• Monitor SQL Server maintenance tasks and troubleshoot failed processes
• Write and optimize TSQL
• Create reports, monitoring and alerts to support clients
• Troubleshoot and resolve server, database and query performance issues and application sluggishness
• Address anti-best practices in database design
• Handle VLDBs, database partitioning and data compression
• Implement Resource Governor, CDC and Distributed Availability Groups
• Report to the Associate Director of Database

Senior Database Administrator

• Administer and maintain Microsoft SQL Server databases across development, test, staging, and production environments.
• Monitor database health, availability, performance, capacity, and security; identify and resolve issues before they affect mission or business operations.
• Perform database installation, configuration, patching, upgrades, migrations, and version lifecycle management.
• Develop, test, and maintain backup, restoration, high-availability, and disaster-recovery procedures.
• Administer, maintain, secure, and optimize Microsoft SQL Server environments supporting business-critical application and data services.

• Administer and maintain database systems supporting AAO applications
• Help modernize and transform enterprise business solutions for NASA
• Work across Microsoft SQL Server, Oracle, PostgreSQL, and MySQL platforms
• Install, configure, upgrade, migrate, provision, secure, patch, back up, and recover enterprise database systems
• Support mission-critical database management systems
• Apply database design, development, integration, administration, and ANSI SQL principles
• Understand and support high-availability and disaster-recovery database architectures
• Troubleshoot and resolve complex database problems with other DBAs
• Engage with Enterprise Applications stakeholders and end-user communities
• Respond to trouble tickets within SLA requirements and participate in the on-call DBA rotation