Yunex Traffic’s journey to a unified SAP S/4HANA core

Sebastian Weinig:

Yunex Traffic is a global leader in intelligent traffic management solutions and products.

I’m Sebastian Weinig. I’m CIO of Yunex Traffic.

Talisa Hagenbuch:

I'm Talisa Hagenbuch. I'm the head of IT applications.

Sebastian Weinig:

We used to be a Siemens company owned by the Siemens Mobility, who actually is a railway industry and road industry business. The ITS sector then, roughly four years back, was carved out and sold to the market.

The major challenges that we are facing as IT department in Yunex is that, I mean, we were used to live in an ecosystem of a corporate company called Siemens, and we had to somehow slim that down to make it an appropriate ecosystem that umbrella our business processes of a mid-sized globally acting company.

Talisa Hagenbuch:

We have several applications, right? And with the different ECC systems, basically the business is doing almost the same across different ECC systems, which then of course require to integrate into our entire ecosystem.

Sebastian Weinig:

The technical carve out always starts with a base lining and the base lining outline that we roughly need to detach ourselves from more plus minus 650 applications in the landscape and eight legacy ECC systems, which we had then to go through a, we call this MREC strategy, move, replace, exit, copy. So we decided application by application, which ones we wanted to move, replace, exit or copy over into our new Yunex standalone ecosystem. The target of course was to slim down, slim down, slim down. Meanwhile, we achieved like an application architecture that contains roughly 200 applications.

So, our major goals from that one-ERP strategy were on the one hand to modernize the landscape, secondly to harmonize the business processes within that landscape, and last but not least to consolidate the landscape, the ecosystem of our legacy ECC systems.

It's a very big challenge to do this across different countries because especially depending on the size, they have different needs.

Therefore we decided to move for a waived approach consisting out of, in our case, four different waves. We wanted to start with the smallest countries and then enrich our own intelligence, but also the business template, which we integrate into the system wave by wave by wave.

Infosys started to support us in that engagement with the kickoff of the wave two. Initially in the wave one, we did the implementation with a different service partner.

Atul Chorbele:

We focused on three big shifts. The first was rethinking the global template. Instead of treating it like a rigid one-time design, we turned into a living and scalable model. We brought in global standard processes, fit to standard principles, clean core S4 design, and localization needed by various countries.

Sebastian Weinig:

Infosys brought basically two major strengths to us in the program for the wave two, which was a strong bench, a global setup, which allowed us to backfill skills and needs which we required urgently or in time. Especially when it came to functional consultancy skills.

Atul Chorbele:

The second shift was around governance and delivery discipline. We wanted to set up a clear rollout plan with standard functionalities in mind, strong project management controls, and very defined lines of accountability. That’s what actually brought predictability back into the program and helped rebuild the momentum. And then the third, but the key piece, was organizational guidance. Yunex had very complex highly localized processes across different modules as well as countries. So another objective was to move from localized mindset to a global mindset and showing how standard solution actually simplifies operations in the long run.

The fact that we were aware that Infosys was a partner within Yunex beforehand already. They also operated in AMS contracts, other environments of our ecosystem and therefore we anyways knew each other already and wanted to strengthen our strategic partnership.

Tarang Puranik:

Infosys has a long-standing global partnership with SAP, where we combine SAP’s best-in-class platforms with our industry experience, accelerators, and proven delivery methods. This allows us to help clients modernize their core, adopt S4/HANA, and build a scalable digital foundation.

Our approach is intentionally flexible, because every organization has unique processes, priorities, and legacy constraints.

In context of Yunex, our partnership enabled us to tailor SAP’s capabilities to the organization's real needs, not just technically but in terms of business outcomes.

Sebastian Weinig:

We mastered to consolidate eight legacy ECC systems into one ERP. And by that, we improved the IT business case for the operations and all the spend we need to keep these systems alive. Secondly, the modernization also that was achieved because by consolidating and migrating the data from the former ECCs into the S4/HANA automatically we achieved the lifecycle upgrade, we operate now under S4/HANA and therefore, so we can tick that box and lay the foundation for future needs and technologies coming along on the roadmap.

The third point, I mean, target the harmonization is something which we certainly started now. We start to understand how we better operate globally and to build a system that covers those needs.

Atul Chorbele:

With the core now being stable, we are unlocking the next layer of value for Yunex. Our focus is on modernizing their data enterprise with advanced analytics, introducing AI‑driven workflows to automate routine tasks, and optimizing their business processes further. We are also driving global standardization and shaping future service and operating models.