Senior Data Engineer – Cyberdefense (Barcelona)

Description

Job Summary: We are seeking a Senior Data Engineer for a high-impact cyberdefense project, building scalable and secure solutions using large volumes of data and advanced technologies. Key Highlights: 1. High-impact cyberdefense project handling large volumes of data 2. Design and development of robust and efficient data pipelines 3. Collaboration with architecture, BI, and AI teams Overview: ### **Senior Data Engineer – Cyberdefense (Barcelona)** ### **About the Project** You will join a high-impact project in the field of **cyberdefense**, working with large volumes of data and cutting-edge technologies. The team focuses on building solid, scalable, and secure solutions within a demanding and continuously evolving technical environment. Location: Barcelona Work Mode: 60% remote work ️ Equipment provided by the company for security reasons### **️ What You’ll Do** * Design, develop, and maintain **robust and efficient data pipelines**. * Implement **ingestion, transformation, and loading (ETL/ELT)** processes. * Ensure **data quality, consistency, and traceability**, optimizing process performance. * Collaborate closely with **architecture, BI, and artificial intelligence** teams. * Document data flows and technical dependencies to ensure maintainability. * Participate in **pipeline automation and deployment (CI/CD)**. ### **✅ What Will Make You Succeed** * Minimum of **2 years’ experience as a Data Engineer**. * Proficiency in **advanced SQL** and handling large volumes of data. * Knowledge of programming languages such as **Python, Scala, or Java**. * Experience with orchestration tools such as **Airflow, NiFi, or Prefect**. * Hands-on experience with **relational and NoSQL databases**. * Familiarity with data formats such as **JSON, Parquet, Avro, or CSV**. * Experience in **data quality control and automated validations**. * Degree in Computer Engineering, Mathematics, Statistics, or related field. * English proficiency level between **B2 and C1**. * **Nice-to-Have** * Experience in **Big Data environments (Spark, Hadoop, Flink)**. * Knowledge of **Data Lake and Data Warehouse architectures**. * Experience with cloud platforms (**Azure, AWS, or GCP**). * Knowledge of **data streaming (Kafka, Kinesis, Pub/Sub)**. * Familiarity with **containers and Kubernetes**. * Understanding of **data governance and metadata**. * Certifications in ETL tools or Big Data technologies. ### **What We Offer** Hybrid work model in **Barcelona**. Versatile Growth: Learn new languages and earn technical certifications through our Expleo Academy. Time for You: Enjoy 24 vacation days per year, plus December 24th and 31st. Outstanding Environment: A place where peer support is the norm and competitiveness has no place. ‍ ️ Connection & Well-being: At Expleo, laughter is never in short supply—and fun is guaranteed. Join our padel and running club, summer events, Halloween celebrations… and much more! Flexible Benefits: Health insurance, meal vouchers, childcare support… you choose how to use them!### **Commitment** We are an equal opportunity employer and welcome applications from all qualified individuals regardless of race, gender, disability, religion/belief, sexual orientation, or age. **\#LI\-LD1**