Senior SQL Server DBA

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PartnerOne

WebsiteLinkedInAll Job Openings

201 - 500 employees

🏢 Enterprise

☁️ SaaS

💳 Fintech

Enterprise • SaaS • Fintech

PartnerOne is one of the fastest growing software groups in the world, providing solutions that enhance the operational efficiency of the largest enterprises globally. The company specializes in acquiring software firms and investing in their development to create more robust, effective, and agile software solutions. PartnerOne is trusted by 80% of the world's largest companies, including the top US and European banks, defense contractors, and media conglomerates, focusing on delivering unparalleled customer support and innovative technologies.

📋 Description

• Architect, install, configure, and maintain Microsoft SQL Server instances (2019, 2025, Azure SQL Database) across complex, multi-server Windows environments. • Lead end-to-end application performance engineering: analyze execution plans, identify problematic queries, and work with development teams to implement lasting optimizations at the code and schema level. • Proactively monitor application and database performance using Extended Events, DMVs, Wait Statistics analysis, and third-party tooling; establish baselines and SLA-aligned alerting thresholds. • Design, implement, and test robust backup and recovery strategies; own RTO/RPO targets and validate them through regular recovery drills. • Architect and maintain HA/DR solutions including Always On Availability Groups and Log Shipping across production and DR environments. • Govern database security: design role-based access controls, auditing frameworks, and encryption strategies in line with least-privilege and regulatory requirements. • Own capacity planning and storage forecasting; collaborate with infrastructure teams to ensure database platforms scale ahead of demand. • Lead database change governance: review and approve schema migrations, deployment scripts, and ORM-generated queries before they reach production. • Drive automation of routine DBA tasks (index maintenance, integrity checks, job monitoring) through PowerShell and SQL Agent. • Manage SQL Server patching and upgrades through a formal change management process, including pre- and post-upgrade validation. • Mentor and provide technical guidance to junior and mid-level DBAs; contribute to team knowledge-base and runbook documentation. • Serve as the senior escalation point in the on-call rotation, leading the response and post-incident review for Severity 1 database outages.

🎯 Requirements

• 7+ years of hands-on SQL Server DBA experience in large-scale, mission-critical production environments. • Expert-level proficiency with Microsoft SQL Server 2019 / 2025 on Windows Server 2019 / 2022. • Advanced T-SQL skills: query optimization, execution plan analysis, index design, partitioning, and performance troubleshooting. • Deep expertise in application performance tuning: collaborating with developers to resolve ORM anti-patterns, N+1 queries, lock contention, and blocking chains. • Proven experience architecting and supporting Always On Availability Groups, WSFC, and DR failover in enterprise environments. • Strong command of Wait Statistics, DMVs, Extended Events, and Query Store for root-cause performance diagnosis. • Solid experience with point in time database restores, High-Availability failover, disaster recovery planning, and hands-on recovery testing. • Windows Server administration and Active Directory / Kerberos authentication for SQL Server. • Demonstrated ability to lead technical projects and mentor junior team members. • Familiarity with ITIL change, incident, and problem management processes.