Senior Data Engineer

Wir sind Bertrandt. Ein eigenständiger und internationaler Engineering Dienstleister mit langjähriger Expertise. Mit branchenübergreifendem Know-how und einem ganzheitlichen System- und Produktverständnis schaffen wir technologische Lösungen entlang der gesamten Wertschöpfungskette. Wir beschäftigen uns mit den Trendthemen Digitalisierung, E-Mobilität und Autonome Systeme hauptsächlich für die Branchen Automotive, Luftfahrt, Defence und Maschinenbau und ermöglichen hier konsequent die Entstehung passgenauer Lösungen. Unser Ziel: den technologischen Fortschritt beschleunigen und einen relevanten Beitrag zu einer nachhaltigen Zukunft leisten. Daran arbeiten wir jeden Tag – mit rund 12.000 Mitarbeiterinnen und Mitarbeitern an über 50 Standorten weltweit. Was Sie Erwartet Data Engineering & Data Modeling Design, develop, and maintain scalable data models in SnowflakeBuild and optimize complex SQL transformations using dbtDevelop robust ELT pipelines to ingest, harmonize, and enrich SAP procurement dataCreate reusable semantic and reporting layers for analytics and AI consumptionImplement data quality frameworks, validation rules, and reconciliation processesTranslate business requirements into efficient and scalable technical solutions SAP Procurement Data Expertise Analyze and model procurement processes based on SAP MM data structuresDevelop extraction and transformation logic across key SAP procurement entitiesEnsure accurate interpretation of sourcing, purchasing, contract, vendor, material, and purchasing organization dataSupport migration and harmonization initiatives across SAP ERP and S/4HANA landscapesCollaborate closely with procurement subject matter experts to ensure technical and functional data integrity SQL Development & Performance Optimization Develop complex SQL queries, procedures, and transformation logicAnalyze execution plans and resolve performance bottlenecksOptimize data models, joins, clustering strategies, and Snowflake warehouse utilizationImprove runtime performance of data pipelines and reporting workloadsEstablish and promote best practices for scalable Snowflake development Data Delivery for AI Solutions Deliver high-quality, AI-ready datasets for backend AI servicesDefine interfaces and data contracts with AI Backend EngineersSupport feature engineering and data preparation activitiesEnsure completeness, consistency, and traceability of datasets used by AI applicationsCollaborate on retrieval, enrichment, and contextual data services enabling Agentic AI solutions Data Governance & Quality Implement monitoring solutions and proactive quality controlsDesign validation frameworks for master and transactional dataSupport auditability, data lineage, and governance requirementsEnsure compliance with internal security, governance, and data management standardsDocument data models, transformation logic, and business rules Collaboration & Technical Leadership Work closely with AI Backend Engineers, Procurement Business Analysts, Product Owners, and Cloud EngineersProvide technical guidance and mentoring to junior engineersParticipate in architecture reviews and solution design discussionsDrive engineering excellence and continuous improvement initiativesSupport incident resolution, root cause analysis, and operational excellence activities Was Sie Mitbringen Education Bachelor's or Master's degree in Computer Science, Data Engineering, Information Systems, Mathematics, Engineering, or a related field Professional Experience 8+ years of experience in Data Engineering, Data Warehousing, or related disciplinesProven experience working with enterprise-scale procurement, supply chain, or ERP dataExperience supporting business-critical analytics and data platforms Technical Skills Data Platforms & Engineering Expert-level experience with SnowflakeStrong hands-on experience with dbtExpert-level SQL development skillsDeep understanding of Data Warehouse architecture and dimensional modelingExperience with ELT/ETL frameworks and modern data engineering practices SAP Procurement Knowledge Strong understanding of SAP MM processes and data structures, including: Purchase RequisitionsPurchase OrdersContractsPurchase Info Records (PIRs)Source ListsQuota ArrangementsMaterialsVendorsPricing ConditionsPurchasing Organizations Performance Engineering SQL performance tuningQuery optimizationData model optimizationWorkload analysisSnowflake warehouse performance managementCost optimization Data Quality & Governance Data validation frameworksReconciliation processesMetadata managementData lineageRoot cause analysis Preferred Qualifications PythonSnowparkGit / GitLabCI/CD pipelinesREST APIsAWS or Azure cloud platformsPower BI, Qlik, or similar analytics and reporting tools Personal Skills Strong analytical and problem-solving mindsetAbility to work independently and challenge existing designs constructivelyStructured, proactive, and solution-oriented approachExcellent communication and stakeholder management skillsPassion for modern data technologies and continuous improvementComfortable working in international, cross-functional teams Language Skills Fluent English (mandatory)German skills are considered an advantage Im Rahmen der Arbeitnehmerüberlassung suchen wir für einen namhaften Kunden einen erfahrenen Senior Data Engineer (m/w/d). Sie entwickeln skalierbare Datenmodelle und ELT-Pipelines in Snowflake, optimieren komplexe SQL- und dbt-Transformationen und stellen hochwertige Procurement-Daten für Analytics- und KI-Anwendungen bereit. Dabei arbeiten Sie eng mit Data-, AI- und Procurement-Experten zusammen und treiben die Weiterentwicklung moderner datengetriebener Lösungen aktiv voran. Bertrandt legt großen Wert auf Gleichbehandlung und Chancengleichheit. Unsere Recruiting-Entscheidungen basieren auf den Erfahrungen und Fähigkeiten der Bewerber*innen. Schwerbehinderte Menschen bzw. gleichgestellte Menschen im Sinne des SGB IX sind herzlich willkommen und werden bei gleicher Eignung bevorzugt eingestellt. Sie sind interessiert? Wir freuen uns über Ihre Bewerbung!