Kategorie: Jobs

Das sind Ihre Aufgaben

· Betreuung, Wartung und Weiterentwicklung einer anspruchsvollen Oracle-basierten Anwendungs- und Systemlandschaft.

· Direkte technische Kundenbetreuung und lösungsorientierte Beratung.

· Mitarbeit an Software- und Systemarchitektur sowie Anwendungsentwicklung.

· Incident- und Problemanalyse einschließlich Lösungsentwicklung, Umsetzung, Test und Rollout.

· Aufwandsschätzung, Planung von Arbeitspaketen und Abstimmung im Projektteam.

· Erstellen technischer Dokumentation.

Das bringen Sie fachlich mit

· sehr gute Kenntnisse in Oracle Database, Oracle SQL und PL/SQL

· Erfahrung in der Oracle-Administration

· Praxis mit Oracle Forms und Oracle WebLogic Server (wird in den kommenden Jahren schrittweise modernisiert)

· gute Linux-Kenntnisse, idealerweise Red Hat Enterprise Linux und/oder Oracle Linux

· fortgeschrittene Java-Kenntnisse; Spring (Boot), Hibernate und Vaadin von Vorteil

· sicherer Umgang mit Toad for Oracle, Jira und Confluence

· sehr gutes Deutsch und gutes Englisch; Italienisch von Vorteil

Was uns darüber hinaus wichtig ist

· selbstständige, strukturierte und zuverlässige Arbeitsweise

· analytisches Denken und pragmatische Lösungsorientierung

· professionelle, klare und wertschätzende Kommunikation

· Interesse an Systemweiterentwicklung und technologischer Modernisierung

· Teamgeist und Freude an internationaler Zusammenarbeit

Wichtiger Hinweis

Aufgrund der Sensibilität unserer Projekte ist für diese Position eine Sicherheitsüberprüfung Ü2 erforderlich. Die Angabe Ihrer Staatsangehörigkeit kann uns helfen, die grundsätzlichen Voraussetzungen frühzeitig zu prüfen und den Bewerbungsprozess zügig zu gestalten.

Wir bieten

· attraktives Gehalt und mögliche zusätzliche Prämienzahlungen

· kostenfreie Weiterbildung und flexible Lernzeiten

· langfristige Perspektiven und Entwicklungsmöglichkeiten

· Relocation Support bei einem Umzug für die Position

· Vergünstigungen bei Fitnessstudios und weiteren Sportangeboten

· gemeinsames Fußballspielen im Zwei-Wochen-Rhythmus – natürlich freiwillig

Klingt interessant?

Dann bewerben Sie sich unkompliziert – gerne ohne Anschreiben. Bitte senden Sie uns Ihren Lebenslauf, Ihren frühestmöglichen Eintrittstermin, Ihre Gehaltsvorstellung und relevante Zeugnisse.

Wie geht es weiter?

Remote-Erstgespräch → Zweitgespräch vor Ort → Vertragsangebot

Bitte keine Bewerbungen von Personal- oder Vermittlungsagenturen.

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

Über uns

Die Data-Warehouse GmbH ist ein inhabergeführtes IT-Systemhaus mit über 35 Jahren Erfahrung in sicheren und intelligenten IT-Lösungen „Made in Germany“.

Wir verbinden technologische Exzellenz mit langjähriger Projekterfahrung in Cybersecurity, Informationsmanagement, Softwareentwicklung und Prozessoptimierung – unter anderem in anspruchsvollen Hochsicherheitsumgebungen.

Wir fördern Menschen, die Verantwortung übernehmen, ihr Wissen erweitern und gemeinsam mit uns innovative IT-Lösungen entwickeln möchten – in einem Umfeld, in dem Vertrauen, Eigenverantwortung und ein ehrlicher Handschlag zählen.

Your Tasks:

• SAP Basis System Administration:
  General SAP Basis Administration, Password Management, SAP Support Packages installations, client copy, system refresh, etc.
• Database Administration
• Administration LINUX / UNIX
• Working with ticket system for incidents, problems, change management and configuration management
• Basic tasks with Netbackup and VMware (not full administration and setup)

Requirements/Knowledge/Experience:

• Some experience with SAP database services would be a benefit: Oracle database administration and/or HANA administration
• Experience with ticket systems would be a benefit
• Any knowledge/competence in Red Hat Administration, Netbackup, VMware would be a benefit
• General skills such as writing documentations
• Good English skills (written and spoken), basic knowledge of German would be desirable
• Security check (Ü2) already available or willing to have it done
• High team spirit, reliability, punctuality
• Willingness to learn to acquire new skills
• Willingness to work in a rotation system and to work outside working hours (usually one Saturday per month)

Contact HR: Doris Böhner, d.boehner@dwh.gmbh

Tasks:

• Deploy, configure, and maintain Rancher-based container platform in an air-gapped environment. 
• Manage Kubernetes clusters, nodes, and workloads within the Rancher ecosystem. 
• Administer Unix-based operating systems, including performance tuning and troubleshooting. 
• Implement security hardening practices for containerized environments and Unix servers. 
• Automate system and container operations using scripting languages such as Ansible. 
• Ensure high availability, fault tolerance, and disaster recovery for containerized workloads. 
• Design and implement monitoring, logging, and alerting solutions for both Rancher and Unix infrastructure. 
• Collaborate with DevOps and development teams to support CI/CD pipelines and deployment workflows. 
• Maintain compliance with security policies, including patch management and vulnerability remediation. 
• Document architecture, procedures, and operational guidelines for system administration. 

Requirements/Knowledge/Experience:

• Proven experience in Rancher container orchestration and Kubernetes administration. 
• Strong expertise in Unix/Linux system administration (RHEL8, RHEL9, or similar). 
• Knowledge of air-gapped deployments and best practices for secure environments. 
• Proficiency in infrastructure automation using Ansible, Terraform, or similar tools. 
• Hands-on experience with monitoring tools such as Prometheus, Grafana, or Loki. 
• Strong troubleshooting and performance tuning skills for both containers and Unix systems. 
• Familiarity with container security tools and practices. 
• Experience working with containerized databases and persistent storage solutions.
• Experience with version control and CI/CD pipelines (Git, Jenkins, ArgoCD, etc.). 
• Certifications such as CKA (Certified Kubernetes Administrator), RHCE (Red Hat Certified Engineer), or similar is an advantage.
• Understanding of SIEM tools and security event monitoring focused on containers is an advantage. 
• Working with ticket system for incidents, problems, change management and configuration management.

• Strong background in IT (working in IT).
• IT related Bachelor or Master’s degree is a plus.
• Any knowledge of ITIL would be useful.
• Knowledge of DNS and load balancers.
• Good Unix/Linux knowledge.
• Knowledge of BMC Helix would be nice to have.
• VMWare knowledge would be nice to have.
• The candidate should also be able to speak and write in English.
• Security check (Ü2) available or willing to go through the process to acquire it.

• Willingness to learn and acquire new skills (including acquiring relevant certifications).

Willingness to work in a rotation system (to cover the service hours) and to work outside working hours (usually one Saturday per month)

Your Soft Skills:

High team spirit

Reliability, punctuality

Our offer:

We offer a safe, trustful and long-term working environment with very good working conditions in an exciting working environment

Company fitness and other company events

Clear and open internal communications and fast decisions

Cultural and international mixture of leading experts in their areas

Highly innovative environment with a personal development plan

We look forward to welcoming you to our team and shaping the future.

Contact person: Doris Böhner, d.boehner@dwh.gmbH, Phone 089 660393-17

Your Role

You will support a major database migration project from SAP HANA to PostgreSQL in a high-security IT environment.

Your main responsibilities will include:

• 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
• Document technical decisions and migration steps clearly and reliably

Your Tech Stack & Experience

You should bring solid experience in database development and migration projects, especially in several of the following areas:

• Strong SQL and PostgreSQL experience
• PL/pgSQL, stored procedures, functions, triggers, or comparable database-side programming
• Database design, data modelling, schema development, and performance tuning
• Data migration, ETL, transformation logic, and data validation
• Linux-based environments and Git or comparable version control systems
• 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
• 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

What We Are Looking For

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.

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
• 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.

Further, due to the sensitive nature of the projects and the compliance requirements of the stakeholders, working from home is not an option.

What We Offer

• Competitive salary
• Permanent employment in a stable, growing company
• Work on high-impact security projects
• Individual training and development, including German courses
• Career growth opportunities
• Relocation support
• Sports & fitness benefits, including company football every two weeks
• A professional environment where quality, reliability, and trust matter

Hiring Process

Initial remote interview > On-site interview in Munich | Offer

No applications from staffing or recruitment companies accepted.

Technical skills:

• Good knowledge of Java
• Good knowledge of JavaScript
• experience in software development, preferably web applications
• Good knowledge with PL/SQL
• Familiar with Oracle technologies (e.g., Oracle JET, Oracle DB) is a plus
• Understanding of WebLogic is appreciated

Functional skills:

• Ability to understand and analyze requirements
• Good written and spoken English

Soft skills:

• Proactive and motivated attitude
• Strong willingness to learn and grow
• Team spirit and good communication skills
• Problem-solving attitude and sense of responsibility

Tasks:

• Database Administration (Postgres):

Installation and upgrades, Monitoring, Troubleshooting, General database administration (space management, user management, log file checking), Patching, Backup and recovery, Performance tuning, Service request management, Documentation.

• LINUX / UNIX Tasks, Usage of LINUX / UNIX to perform the other tasks in this role.
• Patching and management of Java based applications to provided instructions.
• Management and troubleshooting of the Java based applications using provided instructions.
• Scheduling of application tasks using a provided scheduler tool.
• Working with ticket system for incidents, problems, change management and configuration management

Requirements/Knowledge/Experience:

• Strong background working in IT environments
• Any knowledge of ITIL would be useful.
• Proven experience as a PostgreSQL Database Administrator.
• Excellent Unix/Linux knowledge.
• Strong knowledge of database design, performance tuning, and optimization.
• Experience with backup, recovery, and disaster recovery planning.
• Excellent problem-solving and analytical skills.
• General skills such as writing of documentation.
• IT related Bachelor or Master’s degree is a plus
• The candidate should also be able to speak and write in English.
• Security check (Ü2) available or willing to go through the process to acquire it.
• Willingness to learn and acquire new skills (including acquiring relevant certifications)
•  

Willingness to work in a rotation system (to cover the service hours) and to work outside working hours (usually one Saturday per month)

Contact HR: Doris Böhner, d.boehner@dwh.gmbh