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Liberty Mutual Logo

Assistant Director - Data Products

Liberty Mutual

Salary not specified
Aug 19, 2025
Boston, MA, USA • Seattle, WA, USA • Plano, TX, USA • Portsmouth, NH, USA
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The company is seeking an experienced Advanced Power BI Developer to lead the development, maintenance, and optimization of Power BI content, and to serve as a key resource for user enablement and training. The role aims to simplify Power BI solutions and footprint by matching the right personas with appropriate tools and solutions, ultimately empowering users to maximize their use of Power BI tools and best practices.

Requirements

  • Extensive experience (5+ years) in Power BI development and administration.
  • Expert knowledge of DAX (Data Analysis Expressions) for complex calculations and measures.
  • Strong proficiency in Power Query (M language) for data transformation and ETL processes.
  • Experience in data modeling, including star schema and snowflake schema design.
  • Familiarity with Power BI Service features such as workspaces, dataflows, paginated reports, data refresh, and gateway management.
  • Hands-on experience integrating Power BI with Azure Data Services (Azure SQL Database, Azure Analysis Services, Azure Data Factory) is a plus.
  • Solid understanding of SQL for querying relational databases.

Responsibilities

  • Help users to design, develop, and maintain advanced Power BI reports, dashboards, and data models to deliver actionable business insights.
  • Optimize existing Power BI solutions for performance, scalability, and usability and lead optimization workshops for users.
  • Implement and enforce best practices around Power BI development, including data modeling, DAX optimization, and Power Query transformations.
  • Collaborate with data engineers, analysts, and business stakeholders to understand requirements and translate them into effective Power BI solutions.
  • Lead user enablement initiatives by creating comprehensive training materials, documentation, and workshops tailored to developers and end-users.
  • Provide hands-on training and mentorship to internal teams on Power BI development, administration, and deployment processes.
  • Support governance and security standards within Power BI Service, including workspace management, dataset refresh schedules, and role-based access.

Other

  • This role has a hybrid work schedule (2 days onsite) for candidates in Portsmouth, NH, Boston, MA, Plano, TX or Seattle, WA.
  • Strong written and oral communication skills required
  • Experience in communicating recommendations to senior business leaders preferred
  • BA/BS, or relevant work experience, in Computer Science or related field preferred
  • MBA or advanced degree in Mathematics, Computer Science, Engineering, Economics, or other quantitative discipline strongly preferred