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# Technical Domain Architect - Master Data

- **Company:** Müller Holding GmbH & Co. KG
- **Location:** Ulm, Germany
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Applications Architecture, Application Portfolio Management, Cloud Computing, Data Integration, Digital Architecture, Data Streaming, Enterprise Software Applications, Modeling and Simulation, SAP S/4HANA, Enterprise Integration, Data Management
- **Published:** November 10, 2026
- **Apply:** https://karriere.mueller.de/de/jobposting/85ecc35664591a9c81c1a8740e5db8c08dc9ac6c0/apply

## About the Role

* Several years of experience in enterprise, domain, solution or application architecture.
 * Proven experience supporting major transformation programmes while maintaining responsibility for the existing application landscape.
 * Strong understanding of complex enterprise application environments and the ability to design solutions across applications, data and integration.
 * Good knowledge of cloud platforms, APIs, event-driven integration and modern application architectures.
 * Ideally, hands-on experience with SAP S/4HANA Cloud, side-by-side applications, data platforms and enterprise integration platforms.
 * Solid background in architecture governance, architecture roadmaps and application portfolio management.
 * Ability to assess architectural options, dependencies, risks and trade-offs and make well-founded recommendations.
 * Familiarity with architecture frameworks and modelling tools is an advantage.
 * Strong communication and stakeholder management skills, with the ability to translate business requirements into clear technology decisions.
 * A pragmatic and structured approach, combined with the ability to collaborate effectively with business stakeholders and technical delivery teams.
 * Fluent English skills; German language skills are an advantage.
 * Willingness to travel occasionally to our headquarters in Ulm, Germany.

## Description

* Provide architectural guidance to projects, product teams and delivery teams, supporting them from initial planning through implementation.
 * Advise business and technical stakeholders on solution options, architectural dependencies, risks and trade-offs.
 * Shape cross-application and cross-domain architecture decisions, ensuring consistency across the wider application landscape.
 * Ensure proposed solutions are technically feasible and aligned with our target architecture, enterprise architecture principles and agreed standards.
 * Document architecture decisions, underlying assumptions, risks, dependencies and exceptions to maintain transparency and traceability.
 * Maintain a clear overview of the current application landscape, planned changes and architectural gaps.
 * Monitor the implementation of approved architecture decisions and ensure they are reflected in solution designs and technical implementations.
 * Prepare strategic and cross-domain architecture decisions for review and approval by the Architecture Board.
 * Collaborate closely with the Enterprise Architect Lead and the Architecture Team, contributing to the shared backlog and regular architecture meetings.
 * Consider business priorities and requirements within the Master Data domain, taking into account existing applications, data flows, interfaces and integration dependencies.