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# Technical Domain Architect - Procurement & Assortment

- **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, Modeling and Simulation, SAP S/4HANA, Enterprise Integration, Data Management
- **Published:** November 10, 2026
- **Apply:** https://karriere.mueller.de/de/jobposting/7d2312d8bd3b54303f9ea72cca41cb3eedf3a6d90/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 environments and experience designing 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.
 * Experience in retail, supply chain, finance, e-commerce or another relevant Müller business domain is an advantage.
 * Solid background in architecture governance, architecture roadmaps and application portfolio management.
 * Ability to assess architectural options, dependencies, risks and trade-offs and translate business requirements into pragmatic technology decisions.
 * Familiarity with architecture frameworks and modelling tools is beneficial.
 * Strong communication and stakeholder management skills, with the ability to collaborate effectively across business and technical teams.
 * Fluent English skills; German language skills are an advantage.
 * Willingness to travel occasionally to our headquarters in Ulm, Germany.

## Description

* Guide projects, product teams and delivery teams from initial planning through implementation.
 * Advise stakeholders on solution options, architectural dependencies, risks and trade-offs.
 * Shape cross-application and cross-domain architecture decisions, ensuring alignment with our target architecture and agreed standards.
 * Document architecture decisions, assumptions, risks, dependencies and exceptions to ensure transparency and traceability.
 * Maintain an overview of the application landscape, business capabilities, application lifecycles, planned changes and architectural gaps.
 * Monitor the implementation of approved architecture decisions and escalate matters with significant cross-domain or strategic impact to the Enterprise Architect Lead or Architecture Board.
 * Consider Procurement & Assortment requirements, business priorities, data flows, interfaces and integration dependencies, as well as planned transformation initiatives.
 * Prepare architecture decisions for review and approval by the Architecture Board.
 * Collaborate with the Architecture Team, contributing to the shared backlog and weekly architecture meetings.