These are your responsibilities

· Support, maintenance, and further development of a complex Oracle-based application and system environment.

· Direct technical customer support and solution-oriented advice.

· Contribute to software and system architecture as well as application development.

· Incident and problem analysis, including solution development, implementation, testing, and rollout.

· Estimating effort, planning work packages, and coordinating with the project team.

· Preparing technical documentation.

Your Professional Qualifications

· Very strong knowledge of Oracle Database, Oracle SQL, and PL/SQL

· Experience in Oracle administration

· Hands-on experience with Oracle Forms and Oracle WebLogic Server (will be gradually modernized in the coming years)

· Strong knowledge of Linux, ideally Red Hat Enterprise Linux and/or Oracle Linux

· Advanced knowledge of Java; experience with Spring (Boot), Hibernate, and Vaadin is a plus

· Proficiency in using Toad for Oracle, Jira, and Confluence

· Very good German and good English; Italian is a plus

What else is important to us

· An independent, organized, and reliable work style

· Analytical thinking and a pragmatic, solution-oriented approach

· Professional, clear, and respectful communication

· Interest in system development and technological modernization

· Team spirit and a passion for international collaboration

Important Note

Due to the sensitive nature of our projects, a Level 2 security clearance is required for this position. Providing your nationality can help us verify the basic eligibility requirements early on and streamline the application process.

We offer

· Competitive salary and potential additional bonus payments

· Free professional development and flexible learning hours

· Long-term prospects and opportunities for growth

· Relocation support when moving for the position

· Discounts at gyms and other sports facilities

· Playing soccer together every two weeks—on a voluntary basis, of course

Sounds interesting?

Then apply easily—no cover letter required. Please send us your resume, your earliest possible start date, your salary expectations, and any relevant certificates.

What happens next?

Initial remote consultation → Follow-up in-person consultation → Contract offer

Please, no applications from staffing or recruitment agencies.

Contact: Doris Böhner · jobs@datawh.de · +49 (0)89 660393-0

About us

Data-Warehouse GmbH is an owner-managed IT systems provider with over 35 years of experience in secure and intelligent IT solutions “Made in Germany.”

We combine technological excellence with many years of project experience in cybersecurity, information management, software development, and process optimization—including in demanding high-security environments.

We support people who are willing to take on responsibility, expand their knowledge, and work with us to develop innovative IT solutions—in an environment where trust, personal responsibility, and a sincere handshake matter.