SQL Engineer III
The SQL Engineer – Level 3 is a senior individual contributor responsible for designing, developing, optimizing, and maintaining complex SQL-based data solutions. This role operates with a high degree of autonomy, serves as a subject matter expert in database and query performance, and influences data standards, architecture decisions, and best practices across teams.
Essential Functions
Design, develop, and maintain advanced SQL queries, views, functions, and stored procedures supporting mission-critical systems
Install, configure, and maintain Microsoft SQL Server instances
Optimize database and query performance through indexing, execution plan analysis, and schema improvements
Lead complex data modeling and transformation efforts for transactional and analytical use cases
Ensure data accuracy, integrity, and consistency across databases and data pipelines
Partner with engineering, ETL, BI, and product teams to define scalable data solutions
Troubleshoot and resolve complex data quality, performance, and reliability issues
Establish and promote SQL development standards, best practices, and documentation
Contribute to architecture reviews and long-term data platform strategy
Support data governance, security, and compliance requirements, including those applicable to regulated environments
Knowledge, Skills, and Abilities
Expert-level proficiency in SQL, including complex joins, CTEs, window functions, and performance tuning
Deep understanding of relational database design, normalization, indexing, and query optimization
Experience with Microsoft Azure
Strong experience working with large datasets and complex schemas
Ability to design scalable, high-performance data solutions
Strong analytical, troubleshooting, and problem-solving skills
Ability to influence technical standards and mentor peers
Effective communication skills with both technical and business stakeholders
Education and Experience
Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience
Significant experience in SQL engineering, data engineering, or database development
Demonstrated ability to independently lead complex technical work
Conditions & Scope
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
Primarily a sedentary, computer-based role
Regular access to sensitive and confidential data
May support systems requiring availability during critical business operations
Measures of Success
Performance, reliability, and scalability of SQL-based solutions
Accuracy and consistency of enterprise data
Reduction in data incidents and performance bottlenecks
Positive technical influence and mentorship impact
Adoption of standards and best practices across teams