Senior Data Engineer On-Premises Data Platforms

Jacobs; Kraków; Hybrid; PLN 130,000 - 170,000; Full time

Benefits offered by this job

Flexible work hours

Comprehensive benefits (medical care, life insurance)

Hybrid work model

Continuous learning opportunities

Co-financed holidays

Job summary

Jacobs in Kraków is seeking a Senior Data Engineer to design, build, and operate enterprise-scale data solutions, focusing on on-premises and hybrid data platforms. This role involves modernizing legacy platforms and building secure, scalable data pipelines.

You will work closely with architecture and infrastructure teams, develop ETL processes, and provide technical leadership. This position offers a hybrid work model, comprehensive benefits, and opportunities for global projects.

Qualifications

• 5+ years of experience in data engineering.
• Strong hands-on experience with on-premises enterprise data environments.
• Experience building production-grade ETL/ELT pipelines.
• Advanced SQL skills and experience with databases.

Responsibilities

• Design, build, and maintain data pipelines.
• Integrate data from various sources including APIs and legacy systems.
• Monitor and optimize data platforms and pipelines.

Skills

Data engineering experience

ETL/ELT processes

SQL skills

Big data technologies (Spark, Hadoop)

Programming in Python or similar

Collaboration with teams

Tools

Airflow

SQL Server

PostgreSQL

Kafka

Linux

Job description

Job Summary

At Jacobs, we are challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery, and cutting‑edge manufacturing. We are looking for an experienced Senior Data Engineer to design, build, and operate enterprise‑scale data solutions, with a strong focus on on‑premises and hybrid data platforms. This hands‑on engineering role involves working with complex enterprise data ecosystems, modernizing legacy platforms, and building reliable, secure, and scalable data pipelines.

Key Responsibilities

• Design, build, and maintain data pipelines in on‑premises and hybrid environments
• Integrate data from databases, applications, files, APIs, and legacy systems
• Develop and optimize ETL/ELT processes, SQL queries, and data transformations
• Design and maintain data models, data warehouses, data marts, and analytical layers
• Work closely with architecture, infrastructure, security, and application teams
• Monitor, troubleshoot, and optimize data platforms and pipelines
• Implement data quality, logging, observability, and operational best practices
• Support modernization and migration from legacy data platforms
• Provide technical leadership and mentor less experienced engineers

Requirements

• 5+ years of experience in data engineering or data platform engineering
• Strong hands‑on experience with on‑premises enterprise data environments
• Advanced SQL skills and experience with databases such as SQL Server, Oracle, PostgreSQL, or similar
• Experience building production‑grade ETL or ELT pipelines
• Experience with Spark, Hadoop, Hive, Kafka, or similar big data technologies
• Programming or scripting experience in Python, Bash, PowerShell, Java, Scala, or similar
• Experience with orchestration or ETL tools such as Airflow, Control‑M, SSIS, Informatica, Talend, or similar
• Understanding of enterprise infrastructure, including servers, storage, networking, access control, and deployment environments
• Experience working with Linux and/or Windows Server environments
• Strong troubleshooting skills and ownership mindset
• Ability to collaborate with architects, engineers, analysts, and business stakeholders

Nice to Have

• Experience with hybrid cloud architectures using Azure, AWS, or Google Cloud
• Experience with Teradata, Netezza, Cloudera, SAP BW, or other enterprise data platforms
• Familiarity with CI/CD, Git, DevOps, containerization, and automated deployments
• Experience with data governance, metadata, lineage, or cataloging tools
• Experience in consulting, product‑driven, or multi‑project environments

Benefits

• Rewarding employment full‑time employment/b2b contract with a salary that matches your qualifications
• Hybrid work model - enjoy the flexibility of working from home, with just several office days per month
• Flexible hours - start your day anytime between 7:30 and 10:00 AM
• Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co‑financing, and a car/bike park sharing system
• Co‑financed holidays - enjoy "Wczasy pod Gruszą" for a well‑deserved break
• Global projects - engage in exciting international projects
• Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more
• Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self‑learning platforms
• Language courses - enhance your skills with courses in English, German, and Polish

Equal Opportunity Statement

We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disabilities, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. Find out more about life at Jacobs. As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.