Job
- Level
- Experienced
- Job Field
- Database
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Ottobrunn
- Working Model
- Onsite
Job Summary
In this job, you will analyze SAP HANA databases and design PostgreSQL schemas while carrying out data migrations from SQLScript to PL/pgSQL and optimizing database performance.
Job Technologies
Your role in the team
- Gestalte die Zukunft sicherer IT-Systeme.
- Join Data-Warehouse GmbH and work on high-security, mission-critical projects at the forefront of modern technology.
- As part of an experienced international team, you will contribute to systems where security, reliability, data quality, and technical precision truly matter.
- Analyze existing SAP HANA database structures, views, procedures, and SQLScript logic.
- Design and implement PostgreSQL schemas, tables, views, functions, and stored procedures.
- Support the migration of database logic from SAP HANA / SQLScript to PostgreSQL / PL/pgSQL.
- Develop and test migration scripts, data transformation logic, and validation routines.
- Optimize SQL queries, indexes, and PostgreSQL database performance.
- Dokumentiere technische Entscheidungen und Migrationsschritte klar und zuverlässig.
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Our expectations of you
Qualifications
- PL/pgSQL, stored procedures, functions, triggers, or comparable database-side programming.
- Database design, data modeling, schema development, and performance tuning.
- Data migration, ETL, transformation logic, and data validation.
- Linux-based environments and Git or comparable version control systems.
- Migration from SAP HANA, Oracle, SQL Server, DB2, or other enterprise databases to PostgreSQL.
- Proxmox or virtualized infrastructure environments.
- High-security, regulated, public-sector, aerospace, defense, or mission-critical IT environments.
- You are a good fit if you have a strong database engineering mindset, can analyze complex source systems and translate them into robust PostgreSQL solutions, work carefully, independently, and with a strong sense of responsibility, communicate clearly with technical stakeholders, are willing to work on-site due to project security requirements, and are eligible to work in a high-security project environment.
- Important notice: Due to the sensitive nature of the project, candidates must have citizenship of an EU or NATO member state and must hold a German extended security clearance Ü2.
- Furthermore, due to the sensitive nature of the projects and the compliance requirements of the stakeholders, working from home is not an option.
Experience
- You should bring solid experience in database development and migration projects, especially in several of the following areas:
- Starke Erfahrung mit SQL und PostgreSQL.
- Experience with reporting solutions, preferably based on open-source tools.
- A strong plus would be experience with SAP HANA, SAP HANA SQL, SQLScript, calculation views, or generated SAP HANA views.
- We are looking for experienced database professionals who understand that migration is not only about moving data, but also about preserving logic, performance, reliability, and business-critical functionality.
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What we offer
- Wettbewerbsfähiges Gehalt.
- Festanstellung in einem stabilen, wachsenden Unternehmen.
- Work on high-impact security projects.
- Individual training and development, including German courses.
- Karriereentwicklungsmöglichkeiten.
- Relocation support.
- Sports & fitness benefits, including company football every two weeks.
- A professional environment where quality, reliability, and trust matter.
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Topics You Will Work On
Job Locations
About Your Employer
Njoin Data-warehouse Gmbh
Data-Warehouse GmbH is a family-owned German technology company with extensive experience in software development and data management. The company assists organizations in designing, securing, and operating complex digital environments. Its services range from strategic consulting to data center operations and other IT services.
Description
- Company Type
- Established Company
- Working Model
- Onsite
- Industry
- Internet, IT, Telecommunication
PostgreSQL Developer / Database Migration Specialist - Security
- Location
- Ottobrunn
- Working Model
- Onsite
- Diversity
- Open for all genders
