Senior Database Performance Engineer (SQL Server)

FusionHit is seeking a highly skilled Senior Database Performance Engineer to support one of our enterprise clients operating over 950 SQL Server 2022 instances. This role is critical to maintaining high-performance database operations across both on-prem and cloud-hosted environments.

The ideal candidate has deep expertise in SQL Server performance tuning, a strong analytical mindset, and the ability to diagnose and resolve complex bottlenecks. You'll be working with advanced monitoring tools and collaborating closely with stakeholders to ensure solutions are scalable across a massive SQL Server landscape.

Location : Must reside and have work authorization in Latin America. This is a freelancing opportunity.

Availability : Must be available to work with significant overlap with Mountain Standard Time (MST).

The Ideal Candidate Has :

• BS / MS in Computer Science, Information Technology, or related field with 5+ years of experience in SQL Server performance engineering.
• Expertise in SQL Server 2022 or recent versions.
• Extensive experience in query optimization, index tuning, and stored procedure performance.
• Hands-on experience with performance monitoring tools such as SQL Profiler, Extended Events, Performance Monitor, or custom dashboards.
• Experience working in large-scale, multi-instance environments.
• Strong problem-solving and analytical skills for diagnosing bottlenecks and performance issues.
• Ability to collaborate effectively with internal teams and client stakeholders.
• Excellent communication skills in English (C1 preferred, strong B2 may be considered).

Key Responsibilities :