Customer Success Manager- France

At OneStream, we're on a mission to empower every Finance organization and professional to exceed their potential. Our global teams span continents, cultures, and time zones, united by a shared purpose as we build the operating system for modern Finance and help organizations move with greater speed, clarity, and confidence. That mission comes to life through our people. Behind every innovation, customer success, and milestone are talented people working together to make a difference. That's why we're looking for people who are bold enough to think big, authentic in how they lead and collaborate, curious about what's possible, and committed to delivering results. Want a closer look before you apply? Explore our Careers site to learn more about our people, culture, and benefits. Summary At OneStream, we're building the AI Operating System for Modern Finance. As the only enterprise finance platform that unifies financial and operational data, embeds AI, and extends to meet changing business needs, we're empowering some of the world's leading organisations to Take Finance Further. We believe finance leaders need more than traditional Corporate Performance Management (CPM) tools. They need a single, intelligent platform that drives productivity, enables better decisions, and delivers measurable business value. As a Customer Success Manager (CSM), you will play a critical role in helping customers achieve their business goals and maximise the value of their OneStream investment. Acting as a strategic advisor, trusted partner, and primary customer advocate, you will guide customers throughout their journey and beyond, from onboarding and adoption to value realisation, expansion, renewal, and long-term success. By leveraging data-driven insights, AI-powered capabilities, and a consultative, human-centred approach, you will build strong relationships with key stakeholders, understand their unique objectives, and deliver measurable business outcomes that drive retention, growth, and advocacy. Working cross-functionally to unlock the full value of OneStream's capabilities, you will ensure customers not only realise lasting value from their investment but become enthusiastic champions, advocates, and references for our platform. This position will manage approximately 60 Tier 3 Accounts across EMEA, with the majority of accounts based in France. Fluent English and French are required. This position is posted as Remote (home-based) in France; however, the successful candidate is expected to prefer a Hybrid working arrangement, splitting time between home office work and 1–2 days per week in the Paris office (located in the Levallois-Perret district) to build stronger in-person collaboration with colleagues, with the opportunity for occasional customer visits as they arise. Primary Duties and Responsibilities Managing your portfolio of customers • Partner with sales to complete a comprehensive sales transition process. • Operate as a business partner to your customer and their delivery team by knowing their strategy and plan. • Primary ownership and accountability for driving your customer’s adoption, expansion, satisfaction, and renewal. • Understand customer’s OneStream contractual agreements (Cloud/SaaS, Term, etc.) • Understand customer’s contractual agreements with their delivery team whether it is with a Partner or with OneStream Services (Scope, Timeline, staffing). • Manage and execute the customer’s onboarding process. • Develop strong working relationships with your customers and their delivery team. • Establish and execute cadence-based “Business Review” meetings with your customer. • Identify and mitigate risks that threaten your customer’s satisfaction, growth, or renewal. • Align with Customer Success leadership on regional metrics. • Develop and grow your knowledge of OneStream’s Platform and MarketPlace Solutions and share that knowledge with customers. • Promote awareness of Reg