Senior Data Architect — Azure & Fabric, Customer-Facing

Sii Poland; Katowice; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking a Senior Data Architect in Katowice to lead the design of customer data solutions using Microsoft Fabric and Azure. You will guide delivery teams, run discovery sessions, and provide technical leadership to Data Engineers and Data Visualization Engineers.

You will produce high-quality designs, architecture diagrams, and data models, while communicating effectively with client stakeholders and shaping target architectures. Fluency in English and Poland residency are required.

Qualifications

• Minimum 5 years of experience in data architecture or a related field.
• Strong knowledge and practical experience with Microsoft Fabric, including OneLake, Lakehouse, and Data Factory.
• Expertise in data warehousing and Kimball dimensional modeling.
• Proficiency in Medallion architecture and modern data engineering patterns.
• Hands-on experience with Azure data services and integration patterns.
• Familiarity with CI/CD, Git, and deployment approaches for modern data platforms.
• Excellent communication skills to lead customer-facing technical discussions and workshops.
• Fluent English
• Residency in Poland

Responsibilities

• Acting as the technical authority for data architecture and design throughout the project lifecycle
• Leading customer discovery, requirements gathering, and envisioning sessions
• Building strong relationships with customer stakeholders and communicating confidently with both technical and non-technical audiences
• Translating business requirements into clear technical requirements, architectures, and delivery approaches
• Producing high-quality HLDs, architecture diagrams, data flows, data models, and supporting technical documentation
• Designing Microsoft Fabric solutions using appropriate Lakehouse, Warehouse, OneLake, and Medallion architecture patterns
• Defining dimensional models using Kimball principles, including facts, dimensions, star schemas, grain, surrogate keys, and Slowly Changing Dimensions
• Making and documenting architectural decisions, including rationale, assumptions, dependencies, and technical risks

Skills

Microsoft Fabric

OneLake

Lakehouse

Kimball modeling

Azure Data Factory

Medallion architecture

Azure data services

CI/CD

Git

Power BI

Architectural leadership

Communication with customers

Tools

Power BI

Azure DevOps Boards

CI/CD pipelines

Job description

Sii Poland is seeking a Senior Data Architect in Katowice to lead the design of customer data solutions using Microsoft Fabric and Azure. You will guide delivery teams, run discovery sessions, and provide technical leadership to Data Engineers and Data Visualization Engineers.

You will produce high-quality designs, architecture diagrams, and data models, while communicating effectively with client stakeholders and shaping target architectures. Fluency in English and Poland residency are required.