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Senior SQL Server DBA Data Modeling & Architecture
Senior SQL Server DBA Data Modeling & ArchitecturePurple Drive • San Francisco, CA, United States
Senior SQL Server DBA Data Modeling & Architecture

Senior SQL Server DBA Data Modeling & Architecture

Purple Drive • San Francisco, CA, United States
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Senior SQL Server DBA - Data Modeling & Architecture

Job Description

We are seeking an experienced Senior SQL Server Database Administrator with strong expertise in data modeling, database architecture, and performance optimization . The ideal candidate will design scalable data models, build robust database architectures, and manage SQL Server environments to ensure high availability, security, and optimal performance.

Key Responsibilities

1. Data Modeling & Architecture

  • Design conceptual, logical, and physical data models.
  • Develop scalable OLTP / OLAP database architectures.
  • Create and enforce data standards, naming conventions, and modeling best practices.
  • Partner with application architects to align data design with system workflows.

2. Database Administration

  • Install, configure, upgrade, and maintain SQL Server environments (2014-2022 / Azure SQL).
  • Administer Always On Availability Groups, clustering, log shipping, and replication.
  • Manage backup / restore strategies and disaster recovery planning.
  • 3. Performance Tuning & Optimization

  • Analyze and tune SQL queries, indexing strategies, statistics, and execution plans.
  • Resolve locking / blocking issues, parameter sniffing, and resource bottlenecks.
  • Implement partitioning, compression, and storage optimization techniques.
  • 4. Security & Compliance

  • Implement RBAC, TDE, Always Encrypted, auditing, and data masking.
  • Maintain compliance with organizational and regulatory security standards.
  • Ensure database hardening and controlled deployments.
  • 5. Automation & DevOps

  • Automate repetitive tasks using PowerShell and T-SQL scripts.
  • Support CI / CD pipeline integration for database deployments.
  • Build monitoring and alerting solutions for performance and health checks.
  • 6. Collaboration & Documentation

  • Work closely with developers, architects, and data teams to improve database design.
  • Review T-SQL code and provide performance recommendations.
  • Maintain documentation for data models, architecture diagrams, and DBA procedures.
  • Mentor junior DBAs and contribute to data governance initiatives.
  • Required Skills & Qualifications

  • 7-12+ years of experience as a SQL Server DBA.
  • Strong expertise in data modeling , normalization, and relational design.
  • Solid understanding of OLTP and OLAP database structures.
  • Advanced T-SQL scripting and query optimization skills.
  • Hands-on experience with Always On AGs , clustering, and high-availability solutions.
  • Knowledge of Azure SQL, Managed Instance, and hybrid cloud environments.
  • Proficiency with monitoring tools (e.g., Redgate, SentryOne, SolarWinds DPA).
  • Strong analytical, communication, and problem-solving abilities.
  • Preferred Qualifications

  • Experience with ER modeling tools (ERwin, ER / Studio, Visio).
  • Azure certifications (AZ-900, DP-300, DP-203).
  • Familiarity with DevOps pipelines (Azure DevOps, Git, CI / CD).
  • Knowledge of ETL / Data Warehousing environments.
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