Senior Database Administrator – MySQL, SQL Server, AWS Cloud

🕒 October 13

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

📀 Database Administrator

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OneSource Virtual

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2008

💼 Consulting

🏥 Healthcare

📦 Logistics

💰 Series B on 2015-06

Consulting • Healthcare • Logistics

OneSource Virtual is a leading provider of business process as a service (BPaaS) solutions tailored for Workday customers. They specialize in automating administrative tasks related to payroll, benefits administration, and finance & accounting services. With a strong focus on accuracy and proactive support, OneSource Virtual helps organizations maximize their Workday investment, enabling them to reclaim internal resources and streamline processes through expert services and innovative technology.

📋 Description

• Lead deep-dive query tuning and performance diagnostics on MySQL, AWS Aurora MySQL, and SQL Server • Analyze execution plans, index strategies, and memory usage to eliminate bottlenecks and optimize response times • Analyze, refactor, and tune stored procedures, views, triggers, and inline queries • Execute schema refactoring, data transformations, and object migrations into AWS Aurora MySQL and AWS RDS SQL Server • Use native tools and AWS migration services such as AWS DMS/SCT • Review database queries before deployment and enforce MySQL/Aurora indexing best practices • Mentor software developers and engineering teams on query tuning techniques • Maintain AWS Aurora MySQL and AWS RDS SQL Server instances • Adjust parameter groups, optimize the InnoDB buffer pool, maintain indexes, and validate backups • Translate business requirements into relational data models and data transformation logic

🎯 Requirements

• 5+ years of hands-on experience as a Database Administrator, with primary expertise in MySQL and secondary expertise in SQL Server • 5+ years of dedicated experience in query performance tuning, index strategy optimization, and execution plan analysis, with heavy emphasis on MySQL/Aurora • Hands-on experience analyzing and refactoring complex SQL code, including stored procedures, functions, and transactional logic • 3+ years of practical experience managing or migrating database workloads on AWS Aurora (MySQL) and AWS RDS (SQL Server) • 3+ years of experience with relational data modeling, schema conversion, and database architecture • Deep expertise in MySQL/AWS Aurora MySQL query performance tuning, engine internals, and index design • Working knowledge of SQL Server • Experience analyzing execution plans using EXPLAIN and Query Store • Strong grasp of relational schema design, indexing strategies, and locking/concurrency behavior • Preferred: Practical experience with AWS Database Migration Service (DMS) or AWS Schema Conversion Tool (SCT) • Preferred: Experience supporting OLTP and analytical/data warehousing workloads • Preferred: Familiarity with Flyway, Liquibase, or Yuniql • Preferred: Experience with PowerShell or Bash scripting • Collaborative team player with strong problem-solving skills and clear technical communication

🏖️ Benefits

• Values-based culture • Upward mobility • Professional development opportunities • Opportunities to learn and share ideas • Creative collaboration

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