Data Engineer (Defence, Security and Aerospace)

We are looking for Data Engineers and BI Developers to join our team working on projects within the defence and security sector.

• Strong experience with SQL or similar query languages
• Hands-on experience with BI tools (e.g. Power BI, Qlik, Looker, Tableau)
• Experience with ETL / ELT processes
• Solid knowledge of data modeling and optimisation techniques
• Understanding of data quality management and KPI monitoring
• Experience in scripting for automation (SQL, Python, or Scala)
• Experience working across the full data analytics lifecycle
• Strong communication skills and ability to work with business stakeholders
• Fluent Polish (C2/native) and English (B2/C1)
• Experience working with on-premise environments
• Willingness to undergo security clearance procedures (up to NATO Secret / Tajne)
• Willingness to complete required checks for working with defence-related technologies

Nice to have:

• Experience with cloud-based data platforms (AWS, Azure, GCP)
• Knowledge of data warehouse / data lake architectures
• Experience in public sector, defence, or security projects
• Familiarity with NATO / STANAG standards
• Experience working with large-scale data platforms
• Proactive mindset and willingness to grow

• Design, develop, and optimise BI and data analytics solutions
• Participate in the full data lifecycle: ingestion, transformation, modeling, and visualisation
• Build and maintain ETL / ELT data pipelines
• Develop and optimise data models (e.g. Analysis Services, LookML, or similar)
• Work with large datasets, ensuring data quality, consistency, and availability
• Automate data workflows using SQL, Python, or Scala
• Monitor data quality and KPI metrics
• Collaborate with business stakeholders to gather and translate requirements
• Deliver data-driven insights supporting decision-making
• Support development of data infrastructure and processing environments (including on-premise systems)

• Location: Poland (On-site Wrocław / Hybrid – depending on security requirements)
• Willingness to undergo security clearance procedures (up to NATO Secret / Tajne)