Senior Data Analyst

Aon sp. z o.o. Senior Data Analyst We are seeking a highly experienced Senior Data Analyst to join our team, bringing expertise in data analysis and business intelligence with a proven track of record working on large data related projects in the insurance/finance industry. Successful candidate will collaborate with the project lead, business stakeholders, and the cross‑functional team of data analysts & engineers responsible for delivering Business Intelligence and Data Migration initiatives leveraging a modern lakehouse architecture for our new Commercial Risk Solutions Ecosystem. Aon is in the business of better decisions At Aon, we shape decisions for the better to protect and enrich the lives of people around the world. As an organization, we are united through trust as one inclusive, diverse team, and we are passionate about helping our colleagues and clients succeed. Specifically within Commercial Risk Solutions we offer risk advisory, risk transfer and structured solutions that help organisations and individuals identify, quantify and manage their risk exposure through insurance. What the day will look like Responsibilities of this role include: Lead data analysis, collaborate with cross‑functional team, business stakeholders and SMEs to understand data delivery requirements and business context of the data Develop and implement advanced reporting solutions utilizing Power BI to deliver insightful data visualizations and support strategic decision‑making. Actively assist the team with data analysis activities at each stage of the data delivery process, mentor junior colleagues fostering knowledge‑sharing environment Analyze source systems and underlying database, develop source‑to‑target data mappings Develop and document data extraction and transformation scripts/queries to support ETL processes to migrate data between systems Support development of a data quality testing framework by defining data quality rules, perform source‑to‑target data reconciliation to validate accuracy & integrity of migrated data Collaborate with Project and Delivery Lead to address technical challenges, troubleshoot issues to ensure seamless execution of the roadmap Contribute to development of the data analyst playbook, embedding best practices and standards Participate in agile ceremonies, providing regular updates on technical progress and addressing potential risks Perform data validation and reconciliation to validate accuracy of migrated data How this opportunity is different Aon has transitioned to a product‑oriented model and is investing in capabilities like never before. This role will give the chosen candidate a unique opportunity to shape the product and data delivery model for our Commercial Risk Ecosystem to drive significant revenue and efficiency opportunities across all countries where Aon operates. Skills and experience that will lead to success Bachelor’s or Master’s Degree in Computer Science, Information Technology or related fields Proven experience (5+ years) as a Data Analyst or similar role in data related projects, working in insurance/finance industry in a large multinational environment would be an asset In‑depth knowledge of data migration concepts, ETL processes and database management systems Proficiency in SQL and/or other scripting languages for complex data extraction and transformation Knowledge on data management principles, data profiling and quality management, compliance standards Deep understanding of the business context of the data Detail oriented, excellent problem‑solving skills Excellent communication and interpersonal skills to collaborate effectively with team members and stakeholders Hands on experience with agile practices and agile project management tools (e.g., Jira, Confluence, Azure DevOps Boards) Ability to work in a fast‑paced environment and adapt to changing project requirements Fluency in English (written & spoken) is required; additionally – German language would be a strong asset Experience with data visualization tools (e.g., Power BI, Tableau) incl. strong skills in DAX, Power Query and effective visualization techniques Understanding of financial and insurance context would be an asset How we support our colleagues In addition to our comprehensive benefits package, we encourage an inclusive workforce. Plus, our agile environment allows you to manage your wellbeing and work/life balance, ensuring you can be your best self at Aon. Furthermore, all colleagues enjoy two “Global Wellbeing Days” each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions for our colleagues as well. Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued. Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace. Aon provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally protected status. We welcome applications from all and provide individuals with disabilities with reasonable adjustments to participate in the job application, interview process and to perform essential job functions once onboard. If you would like to learn more about the reasonable accommodations we provide, email Please attach CV in English only. #technologyandsecurity #LI-MK1 #LI-HYBRID #J-18808-Ljbffr