Land your next career-defining role by exploring Expert Level Support (L3) - Power BI jobs. This senior position represents the pinnacle of technical support and consultancy within the Microsoft Power BI ecosystem. Professionals in these jobs act as the final escalation point, tackling the most complex, critical, and nuanced issues that cannot be resolved by frontline (L1) or intermediate (L2) support teams. They are the deep-dive experts, ensuring enterprise-scale Business Intelligence solutions perform optimally, securely, and reliably. An Expert Level Support (L3) specialist for Power BI typically engages in a blend of advanced troubleshooting, proactive optimization, and strategic guidance. Common responsibilities include diagnosing and resolving intricate performance bottlenecks in data models and DAX calculations, investigating data refresh failures in complex ETL pipelines involving sources like SQL Server, Azure Synapse, or Dataverse, and addressing security and governance challenges within Power BI Service workspaces and apps. They are also responsible for creating detailed root-cause analysis reports, developing custom solutions and workarounds, and producing authoritative knowledge base articles for internal teams and clients. Beyond break-fix support, these experts often consult on best practices for architecture, data modeling, and deployment strategies to prevent issues before they arise. To excel in these high-demand jobs, candidates must possess an exceptional and comprehensive skill set. Mastery of Power BI Desktop and Service is a given, including in-depth knowledge of DAX, Power Query (M language), data modeling (star schema, performance optimization), and administration of the Power BI tenant. A strong foundation in related Microsoft technologies like SQL Server, Azure Data Services (Data Factory, Synapse, Analysis Services), and Microsoft Purview for compliance is typically required. Crucially, these roles demand superb analytical and problem-solving skills, as the professional will deconstruct ambiguous problems in high-pressure scenarios. Excellent communication is essential to translate complex technical concepts for stakeholders and to mentor junior support staff. Proven experience in a senior BI developer, data platform engineer, or prior L3 support role is a standard prerequisite for these advanced positions. For seasoned professionals seeking to leverage their deepest technical expertise to solve challenging problems and influence BI strategy, Expert Level Support (L3) - Power BI jobs offer a rewarding and impactful career path at the forefront of data analytics.