Database Administrator

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Location & Work Arrangement

• City, State: Columbus, Ohio
• Work Arrangement: Onsite (Required to work onsite at the William Green Building).
• Contract: This is a Contract position.
• Mode of Interview: In Person.
  
  

Key Responsibilities And Technical Expertise

The ideal candidate will bridge the gap between application development and core database administration, with significant experience in performance engineering.

• Database Administration & Performance Engineering (10 Years Required)
• Performance Tuning: Actively analyze, tune, and optimize slow SQL queries and stored procedures impacting application performance.
• Expert-level knowledge of SQL, DDL, DML, and advanced tuning techniques (indexing, partitioning, execution plan analysis).
• Operations: Responsible for database backup and recovery procedures, access security, database integrity, physical data storage design, and data storage management.
• Monitoring: Monitor database performance and space requirements. Experience with database monitoring tools (e.g., Prometheus, Grafana, OEM) and building custom alerting thresholds.
• Design & Upgrades: Highly skilled at database design, installations, and conversions (specifically SQL Server). Evaluate and perform database upgrades.
• Data Modeling: Proficiency in relational data modeling (3rd Normal Form) and NoSQL modeling concepts. Skilled data dictionary analysis and design.
• Java Development & Application Integration (5 Years Required)
• Data Access Layer: Design, implement, and unit-test high-performance data access layers (JPA/DAO/JDBC) and data-centric microservices using Java (11 or higher) in the Windows environment.
• API Development: Experience designing, developing, and consuming RESTful APIs for seamless integration and efficient data delivery.
• ORM: In-depth understanding of Object-Relational Mapping (ORM) (e.g., JPA/Hibernate) and its performance implications (e.g., cache management, lazy vs. eager loading).
• Code Quality: Perform rigorous code reviews focusing on ORM usage, transaction management, and efficient data retrieval to prevent database anti-patterns.
• Automation: Author scripts (in Java or scripting languages) to automate repetitive DBA tasks and enhance operational monitoring.
• Support and Documentation
• SDLC: Experience and knowledge in supporting the application system development life cycle.
• Documentation: Document data flows, API specifications, and database operational procedures.
• Collaboration: Implement best practices for efficient data access and database interaction within the Java/Angular environment. Identify and track issues, risks, and action items.
• Desired Plus: Experience working with IBM DB2 database is highly desired.
  
  

Required Technical Skills Summary

Skill Area

Required Experience

Key Technologies/Concepts

Database Expertise

10 Years

SQL Server (High Traffic Production), SQL (Expert DDL/DML), Performance Tuning, Backup/Recovery, Data Modeling.

Monitoring

10 Years

Database Monitoring Tools (Prometheus, Grafana, OEM), Custom Alerting.

Java/Integration

5 Years

Java 11 , JPA (Hibernate/ORM), RESTful web services, JUnit, Code Review.

Soft Skills

N/A

Strong written/spoken communication, Ability to work in a team environment, Execute responsibilities with little direct supervision.