Head of ERP Architecture and Development (SAP S/4HANA)

Wärtsilä is an innovative technology company known for being a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians - put our hearts and minds into turning Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services into reality. We are always on the lookout for future-oriented talent – want to join the ride?

ERP Transformation is an organisation driving the Wärtsilä ERP development and the ERP transformation programme called Nova. Nova is a multi-year programme designed to drive business value of our ERP technology platform where core solution is SAP S/4HANA.

We are looking for a Head of ERP Architecture and Development, to join our ERP Transformation Leadership Team, reporting to VP, ERP Transformation. In this role you will provide strategic and technical leadership for the design, development, and evolution of the organization’s SAP ecosystem to drive business value and our clean core targets.

Key Responsibilities

• Define the architectural vision and delivery strategy for SAP landscape and its integrations with other enterprise platforms, ensuring that solutions are scalable, secure, and aligned with business objectives and target enterprise architecture.
• Define and deploy the SAP ecosystem development principles, standards, policies and best practices, and lead the related governance forums (e.g. Design Authority Board).
• Monitor and evaluate industry and SAP technology trends to continuously identify opportunities for innovation, cost reduction, and increased business value.
• Lead a high-performing team of SAP architects fostering a culture of innovation, collaboration, and continuous learning.
• Provide architectural consultancy and support in analysing and planning of all the SAP related key development initiatives.
• Manage and develop modern toolchain for efficient SAP ERP landscape handling including ALM and GRC processes.
• Ensure performance, scalability, reliability and compliance of the SAP landscape.

To succeed in this role, you need to have:

• 10+ years of experience in SAP architecture and development, including deep technical expertise in SAP S/4HANA and related products, SAP extensions and integrations.
• Proven leadership in large-scale SAP implementations, migrations, or transformations.
• Strategic thinking and the ability to translate business vision into architecture roadmap for execution to implement the needed business capabilities to drive value.
• Experience in leading cross-functional change initiatives and navigating complex stakeholder landscapes.
• Experience managing multi-disciplinary technical teams and vendors.
• Master’s degree in computer science, information systems or engineering.
• Excellent planning, facilitation, and communication skills. You can make your own slides.
• Fluent written and spoken English.

Success Indicators

• Successful delivery of SAP S/4HANA roadmap and transformation milestones.
• Stable, secure, and high-performing SAP ecosystem.
• Reduction in customization complexity and improved time-to-market for new features.
• Effective integration of SAP with enterprise systems (PLM, CRM, HR, analytics).
• High business satisfaction and measurable ROI from SAP investments.

Why you and us?

• You are valued – as your true self. At Wärtsilä YOU matter. We value diversity and are committed in supporting inclusive work community.
• Your growth is supported. We believe in continuous learning & teamwork. Wärtsilian community has your back when it comes to development opportunities – so you can develop beyond your potential.
• You get to make a difference. Innovation and sustainability are important for us. Every day, we - Wärtsilians - put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.

At Wärtsilä, employment decisions are made regardless of race, colour, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law.

Contact & next steps

The location for this position is Wärtsilä Campus in Salmisaari, Helsinki, or Vaasa. We work in hybrid mode.

Please submit your application by 26.10.2025 through Nawia career portal. Applications submitted via email will not be considered. After submitting your application, you will receive a confirmation email.

In case you have any questions, please don't hesitate to contact:

Tiia-Liina Aavisto - Head of Business, IT Recruitment, Nawia Oy

Tiia-liina.aavisto@nawia.fi

Last application date: 26.10.2025