Senior BI Architect (f/m/x)

Sii Poland; Lublin; On-site; PLN 180,000 - 260,000; Full time

Job summary

Sii Poland is seeking an experienced Senior BI Architect to own modern Data & AI architectures powered by Databricks, Azure, and GenAI technologies. You will shape enterprise data strategy, governance standards, and analytics capabilities across the organization.

You will design Lakehouse structures, semantic models, and data governance, while collaborating with international stakeholders to drive platform optimization and FinOps practices.

Qualifications

• 5+ years in BI/Data architecture roles.
• Hands-on Databricks and Azure architectures.
• Experience with Unity Catalog and Purview governance.

Responsibilities

• Design scalable Data & AI architectures leveraging Databricks and Azure technologies.
• Define and evolve Data Governance frameworks using Unity Catalog, Microsoft Purview, lineage, and audit capabilities.
• Create and maintain architectural documentation (ADRs, HLDs, LLDs, decision logs).
• Design Lakehouse layers, semantic models, and data structures for enterprise analytics and BI solutions.
• Architect GenAI and LLM solutions aligned with business and platform requirements.
• Drive platform optimization and FinOps standards; collaborate with IaC teams.

Skills

Databricks

Data architecture

GenAI/LLM

AI technologies

Stakeholder collaboration

Tools

Unity Catalog

Microsoft Purview

Job description

Join an international team developing a strategic Data Platform used globally for analytics, reporting, and AI-driven solutions. We are looking for an experienced Senior BI Architect who will take ownership of designing modern Data & AI architectures powered by Databricks, Azure, and GenAI technologies. This role offers the opportunity to influence enterprise-wide data strategy, establish governance standards, and shape the future of advanced analytics and AI capabilities.

Your tasks

• Designing scalable Data & AI architectures leveraging Databricks and Azure technologies
• Defining and evolving Data Governance frameworks using Unity Catalog, Microsoft Purview, lineage, and audit capabilities
• Creating and maintaining architectural documentation, including ADRs, HLDs, LLDs, and decision logs
• Designing Lakehouse layers, semantic models, and data structures supporting enterprise analytics and BI solutions
• Architecting GenAI and LLM solutions aligned with business and platform requirements
• Driving platform optimization, FinOps standards, and collaboration with Infrastructure as Code teams

Requirements

• Minimum 5 years of experience as a BI Architect, Data Architect, or in a similar architecture-focused role
• Strong hands-on expertise with Databricks, Data Platform architecture, and modern AI technologies, including GenAI/LLM solutions
• Experience designing data governance solutions, including Unity Catalog, Microsoft Purview, access models, lineage, and audit frameworks
• Proven ability to translate business requirements into scalable, secure, and maintainable architectures
• Strong knowledge of Lakehouse architecture, dimensional modeling, conformed dimensions, and semantic layer design
• Advanced English and excellent communication skills enabling effective collaboration with international stakeholders

Job no. JOB-PJULP

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.