Customer Service Manager (m/w/d)

Onventis
Stuttgart

Let’s Start with our Story

Every great career begins somewhere, and this one starts here. We are a team that believes in big ideas, bold moves and the people behind them. This is where you could be part of something exciting!

Onventis has been a cloud pioneer for digital transformation of purchasing and finance processes since 2000. The cloud-based software Onventis Buyer is an all-in-one procurement system that helps companies to manage their business spend in order to achieve financial control, efficiency, compliance and cost savings.

Why This Role Matters

As a Customer Service Manager, you play a key role in helping our national and international customers get the most out of our Onventis Platform.
By handling queries via our portal, resolving standard issues independently, and collaborating with senior colleagues on more complex cases, you ensure a smooth and positive customer experience. Your work directly impacts customer satisfaction, trust, and long-term relationships with our clients.

Your Role at a Glance

As a Customer Service Manager, you ensure customers successfully use our platform by delivering responsive support, practical guidance, and continuously improving the quality of our service.

You will:

  • Handle customer and supplier inquiries and support requests via phone and our ticket system, always with clear, friendly, and solution-oriented communication.
  • Guide users in the daily use of our cloud software and support them in resolving issues independently.
  • Collaborate with colleagues to analyse, resolve, or escalate more complex technical cases, ensuring every request reaches the right solution.
  • Proactively inform customers about the progress of their request and ensure accurate and timely follow-ups.
  • Document frequently asked questions and insights, contributing to the continuous improvement of our internal and external knowledge base.
  • Continuously expand your knowledge of purchasing processes, ERP integrations, and our platform, and apply this directly in customer interactions.

Your Experience and Skills

We are looking for someone with:

  • Experience in customer service or other client-facing roles within a B2B environment
  • Fluent in German and proficient in English
  • Strong communication skills and a talent for building trustful relationships
  • A proactive approach to gain and share knowledge and to imp r ove processes
  • The ability to stay organized and manage several requests at once
  • A problem-solving mindset with genuine focus on customer needs
  • Curiosity for technology and enthusiasm for cloud applications
Nice-to-have:

  • Knowledge of SaaS or ERP systems, ideally in purchasing or eProcurement processes
  • Experience with Supplier support
  • Experience with OCI, EDI or OpenTrans
  • Experience with knowledge management, ticketing or CRM tools
Most importantly, we value curiosity, drive, and the willingness to grow with us!

Our Commitment to You

Our CORE values bring our varied cultural background and products together and more importantly, ensure how we invest in our people. At Onventis, you can expect a performance focused culture where your achievements are recognized, your goals are prioritized and your career accelerates.


We offer more than just a job and we show it with real benefits:

  • Flexibility : Hybrid work model with modern tools and equipment
  • Mobility : Free parking, Job Ticket,  JobRad leasing 
  • Health & Wellbeing: Urban Sports membership, fresh fruit, drinks, and meal subsidies
  • Career Growth : Structured onboarding, training programs, language courses
  • Culture: Friendly team spirit, clear structures, regular team events & gatherings
  • Rewards: Attractive salary package, pension plan , plus discounts, referral rewards & sabbatical opportunities
  • Global Collaboration : Work where it works for you: turn your travels into opportunities to meet, create, and connect at any of our centrally located EU hubs. Travel and stay are self-organized!
Curious about our departments, recruitment steps, or common questions?
Everything you need is on our career’s website.

About us

"We work every day to make global procurement simple, secure and connected with cloud services". At Onventis, we are driven by a common goal: to provide the best digital network for buyers and suppliers. We are a software pioneer that makes online procurement possible for companies. In addition to digital technology, this requires great ideas for the procurement management of tomorrow. Who makes them a reality? The Onventis team from Research & Development, IT, Product Management, Consulting & Services, Support, Sales, Marketing and Finance & Administration makes purchasing fit for the future for our internationally active customers, such as Conrad, Federal Mogule, Kühne & Nagel, Schott and Steigenberger - every day. Expressed in figures: From 6 locations - Stuttgart, Düsseldorf, The Hague, Stockholm, Paris and Vienna - around 190 colleagues ensure every day that around 1,2 million users process an annual business volume of 20 billion euros and more via the Onventis platform. The flat hierarchies, the broad scope for creativity and our interlinked teams create the space for innovation and personal development. Show us that you are a digital talent and make the Onventis success story yours.

Veröffentlicht am 2026-03-05

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