{"id":1848714,"url":"https://alion.io/job/trusteq-data-engineer-working-student-mwd","title":"Data Engineer Working Student (m/w/d)","company":{"id":3893761,"name":"Trusteq","domain":"trusteq.de","url":"https://alion.io/company/trusteq","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"intern","employment_type":"part_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_city","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Cologne, Germany"],"countries":["DE"],"hiring_countries":["DE"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":54000,"max_usd":157000,"period":"year","method":null,"sample_n":4222},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Databricks","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Microsoft Fabric","optional":false},{"name":"Power BI","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false}],"status":"closed","first_seen_at":"2026-10-03T20:09:15Z","employer_posted_date":null,"last_verified_at":"2026-10-08T07:35:38Z","board_verified":false,"closed_at":"2026-10-08T07:35:38Z","days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"YOUR TASKSYou support the development of databases and data integration processes\nYou contribute to the design and implementation of data models and data pipelines for modern data lakes, data warehouses, or lakehouses\nYou assist in documenting and structuring data platforms and related processes\nYou participate in the development of interactive dashboards and reports, for example in the area of performance metrics and ESG\nYou support the application of data analytics methods and tools within project contexts\nYou assist users in the utilization and maintenance of data platforms and analytics solutions\n\nYOUR PROFILYou are currently enrolled as a student in an IT-related field, such as (Business) Informatics, Software Engineering, Data Science, Data Engineering, or a related discipline\nYou have solid knowledge of the programming languages Python and SQL\nYou have experience in data visualization and presentation using Power BI and/or Microsoft Fabric.\nInitial experience with Databricks is considered an advantage\nYou have a basic understanding of data modeling methods and data integration processes (ETL / ELT)\nYou work independently and in a structured manner and demonstrate strong teamwork and communication skills\nYou possess excellent German and English language skills (minimum C1 level in both languages)\nYou are able to work on-site at least 50% of the time in our office in Cologne or Munich\n\nYOUR BENEFITSSupportive Team Culture: Team cohesion is important to us – we support one another and foster a healthy office culture. Our event team organizes regular after-work events to encourage exchange and connection beyond the workplace.\nEarly Ownership & Responsibility: From day one, you will take on exciting tasks with real responsibility – whether on your project or by contributing to internal initiatives. You actively help shape our organization.\nClear Career Development Paths: You will find an environment that supports, challenges, and advances your professional growth. 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