Lead Data Analyst with Power BI (f/m/x)

Sii Poland; Katowice; On-site; PLN 210,000 - 320,000; 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

Open and accessible management team

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 Lead Data Analyst (Power BI) to bridge business and technology, shaping analytical solutions and dashboards for clients from Krakow to Katowice. You will mentor the Power BI team, collaborate with data engineers, and drive data-driven decision making across projects.

The role requires 7+ years in Power BI analytics, strong SQL/Python/DAX skills, and experience with data platforms and cloud solutions. Polish and English fluency are essential.

Qualifications

• 7+ years of experience in Power BI analytics and data.
• Experience as Tech Lead / Lead Developer / Senior Consultant.
• Knowledge of Data Governance, semantic modeling, and best reporting practices.
• Advanced SQL, Python, and DAX skills.
• Experience with DWH architecture, Data Lakehouse, and cloud solutions.
• Experience with client projects, requirements gathering, and presentations.
• Fluent Polish and English communication.

Responsibilities

• Collaborate with business stakeholders to understand analytical needs.
• Conduct workshops and translate goals into Power BI dashboards.
• Define reporting standards and data governance practices.
• Coordinate with ETL developers, data architects, and DevOps/FinOps.
• Lead the team, mentor analysts, and provide technical support.
• Ensure quality, consistency, and usability of delivered solutions.
• Monitor analytics trends and help develop the Data & Analytics Center's offer.
• Represent the organization at conferences and market events.

Skills

Power BI

SQL

Python

DAX

Data Governance

Semantic Modeling

Cloud Solutions

DWH / ETL

Client Communications

Presales Support

Lead / Mentoring

Tools

ETL

Data Lakehouse

Job description

Do you want to create Data & Analytics solutions that truly support business decisions?

Join our Data & Analytics Competency Center and co-create modern analytical solutions based on Microsoft Power BI.

As a Lead Data Analyst (Power BI), you will bridge the business and technology worlds – engaging in client conversations, translating business needs into analytical solutions, and supporting organizations in building a Data-Driven culture.

You will develop reporting standards and Data Governance, support the Power BI analyst team, and collaborate with DWH architects and data engineers in designing modern data platforms.

If you enjoy combining business with technology, building client relationships, and having a real impact on the development of Data & Analytics solutions – this role is for you.

Your tasks

• Collaboration with business stakeholders
• Conducting workshops, analyzing requirements, and translating business goals into analytical solutions and Power BI dashboards
• Defining reporting standards and best practices in Power BI and Data Governance
• Cooperation with data developers (ETL), data architects, and DevOps/FinOps
• Leading the team – mentoring, developing skills, and providing substantive support to analysts
• Supervising the quality, consistency, and usability of delivered analytical solutions
• Monitoring market trends in analytics
• Co-creating and developing the Data & Analytics Center's offer
• Representing the organization at industry conferences and actively participating in market events

Requirements

• Minimum 7 years of experience in developing and enhancing Power BI analytics and working with data
• Previous experience as a Tech Lead / Lead Developer / Senior Consultant
• Knowledge of Data Governance principles, semantic modeling, and best reporting practices
• Advanced skills in tools: SQL, Python, DAX
• Practical knowledge of DWH architecture, Data Lakehouse, and cloud solutions
• Experience in project work with clients (requirements gathering, consulting, presentations)
• Ability to make technological decisions and take responsibility for them
• Strong communication and consulting skills
• Experience in presales processes (concept preparation, support for bidding, estimations)
• Ability to identify market trends in data analytics and apply them practically in building offers and solutions for clients
• Fluent communication in Polish and English

Nice to have

• Active participation in the industry community (attending conferences, meetups, market monitoring)
• Using AI in analytics automation
• Knowledge of MS Fabric IQ and/or Copilot Studio

Job no. JOB-A4TZ3

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.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care