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Westernacher

11 hours ago

Technical SAP Enterprise Architect (m/f/d)

  • Heidelberg, Germany
  • Full Time
  • Lead
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Company information

Company
Westernacher
Location
Heidelberg, Germany Germany
Posted
11 hours ago
View all jobs at Westernacher

Job description

As a Technical Enterprise Architect at Westernacher, you will be a strategic sparring partner for our clients in the planning and implementation of demanding SAP S/4HANA transformations. You will combine architectural excellence with a methodical approach and support decision-making processes at management level. In close cooperation with specialist departments, IT teams, and presales, you will design sustainable, scalable target architectures and ensure a clear alignment of technology, processes, and organization.


Your Responsibilities
  • Conception and definition of S/4HANA target architectures (On-Premises, Private Cloud, RISE with SAP) as well as derivation of clear migration and transformation roadmaps.
  • Evaluation and management of S/4HANA migration scenarios (Brownfield, Selective, Greenfield) including risk, effort, and decision analyses.
  • Execution of system readiness analyses and technical pre-checks using SAP standard tools (e.g., Readiness Check, Business Transformation Center, Maintenance Planner).
  • Analysis of Simplification Items and derivation of concrete measures for processes, organization, and customizing.
  • Responsibility for custom code management, including analysis, decommissioning, and refactoring in line with clean core principles.
  • Design and governance of integration and interface architectures (RFC, IDoc, APIs, OData, Web services) according to SAP ISA-M.
  • Ensuring compatibility with third-party add-ons and legacy systems.
  • Close cooperation with specialist departments, IT, key users, and sales/presales.
  • Creation and presentation of decision proposals, management briefings, and risk and impact analyses.
  • Architectural input on governance, security, change management, testing, training, and post-go-live activities.

    • Your Profile
  • In-depth expertise in SAP S/4HANA architecture, including data models, differences between ECC and S/4HANA, Fiori concepts, and end-to-end process understanding.
  • Proven experience in S/4HANA transformations, including migration approaches, readiness assessments, preliminary projects (e.g., CVI, Universal Journal, Material Ledger, Asset Accounting), and technical prerequisites.
  • Strong knowledge in custom code and integration architecture, including ATC/SCI, APIs, interfaces, clean core approach, and ISA-M.
  • Proficient use of relevant SAP tools and platforms for conversion and modernization (e.g., Readiness Check, SUM/DMO, Fiori, LeanIX, Signavio; SAP Cloud ALM/Solution Manager is an advantage).
  • At least 5 years of experience in SAP projects, including at least one S/4HANA conversion, as well as deep know-how in at least two core processes.
  • Excellent communication and stakeholder management skills at specialist and management levels.
  • Fluent written and spoken German and English.

    • What We Offer
  • A varied and diverse range of tasks with many opportunities for shaping things in a 100% employee-owned company.
  • The opportunity to participate in our partnership model.
  • Flat hierarchies, open communication, and an international, ambitious team of experienced SAP experts with a strong spirit of innovation and teamwork.
  • Support for your further development through systematic training and knowledge exchange.
  • Flexible working hours, home office, and attractive remuneration.
    • Since 1969, Westernacher Consulting has stood for innovation and global presence. With a team of over 1400 consultants in Europe, Asia, and America, we offer SAP consulting services worldwide. Our focus is on supporting large and medium-sized companies striving for innovation, operational excellence, and sustainable growth. With our headquarters in Heidelberg, we are pioneers in the innovation of business processes and technologies.
    Westernacher values diversity and equal opportunity in the workplace. We consider all qualified applicants regardless of their origin, skin color, religion, gender, sexual orientation, nationality, genetic characteristics, disability, age, or veteran status. Furthermore, we are committed to adhering to all fair employment practices regarding citizenship and immigration status.
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